Free, Instant Online Tools for Developers & Creators

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JSON Formatter & Validator

Free online JSON formatter, validator, and minifier. Beautify messy JSON data, validate syntax, and spot errors with line markers in real-time.

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Base64 Encoder

Fast and secure online Base64 encoder. Convert text, strings, and UTF-8 characters to standard and URL-safe Base64 instantly in your browser.

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Base64 Decoder

Decode Base64 strings to readable UTF-8 plain text online. Handles standard, padded, and URL-safe Base64 format with automatic padding repair.

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Base64 Encoder & Decoder

Convert text to Base64 and decode Base64 back into readable UTF-8 text in one unified workspace with URL-safe options.

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URL Encoder & Decoder

Encode and decode URLs and URI query parameters with standard percent-encoding in your browser.

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JWT Decoder & Inspector

Decode and inspect JSON Web Tokens (JWT) safely in your browser. View header algorithms, payload claims, and expiration timestamps.

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UUID / GUID Generator

Generate cryptographically secure Version-4 UUIDs and GUIDs individually or in bulk. Customize hyphens, uppercase, and braces.

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Hash Generator (MD5, SHA-256, SHA-512)

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic checksum hashes in real-time in your browser with Web Crypto API.

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HTML Entity Encoder & Decoder

Encode special characters into HTML numeric entities and decode HTML entities back into characters.

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Unix Timestamp Converter

Convert Unix epoch timestamps (seconds and milliseconds) to human-readable UTC, ISO 8601, and local date times.

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Cron Expression Generator & Explainer

Parse crontab expressions into plain English explanations and schedule timings with field-by-field breakdown.

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Chmod Permissions Calculator

Interactive Linux file permissions calculator. Convert between Octal (755, 644, 777), Symbolic (rwxr-xr-x), and checkbox permissions.

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HTML Formatter & Beautifier

Format, beautify, and indent HTML markup online. Fix messy web page code with customizable 2-space or 4-space indentation.

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HTML Minifier & Compressor

Minify HTML code by stripping comments, extra whitespace, and line breaks to optimize web page load times and SEO performance.

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CSS Formatter & Beautifier

Format, indent, and beautify CSS stylesheets online. Standardize CSS rule formatting and spacing instantly in your browser.

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CSS Minifier & Optimizer

Compress CSS stylesheets by removing whitespace, comments, and redundant semicolons to boost page speed.

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JavaScript Formatter & Beautifier

Format, indent, and beautify JavaScript code online. Convert minified or messy JS scripts into clean, readable code.

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JavaScript Minifier

Minify JavaScript scripts by stripping comments, extra line breaks, and unnecessary whitespace in your browser.

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JSON Minifier & Compact Tool

Compress and minify JSON data into a single line to optimize API payloads, database storage, and network transmissions.

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SQL Query Formatter & Beautifier

Format, indent, and uppercase SQL queries (MySQL, PostgreSQL, SQLite, MS SQL) for maximum database readability.

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HTML to JSX / React Converter

Convert raw HTML code into React JSX syntax. Auto-converts class to className, for to htmlFor, inline styles to objects, and self-closes tags.

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CSS to JS / React Style Converter

Convert kebab-case CSS declarations into camelCase JavaScript style objects ready for React, React Native, and styled-components.

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cURL Command to Code Converter

Convert cURL terminal commands into modern JavaScript Fetch API, Axios requests, or Python requests code in seconds.

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JSON Diff & Comparison Tool

Compare two JSON objects or files side-by-side to find added, deleted, and modified keys and values in real-time.

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Regex Tester & Regular Expression Debugger

Test and debug JavaScript regular expressions in real-time with instant match highlighting, capture group extraction, and flag controls.

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Markdown Previewer & Live Split Editor

Live split-screen Markdown editor with real-time HTML preview, table formatting, code syntax highlighting, and HTML/MD export.

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JavaScript Keycode & Event Inspector

Press any key on your keyboard to instantly inspect event.key, event.code, event.which, and modifier keys (Ctrl, Alt, Shift, Meta).

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SemVer Comparator & Range Tester

Compare semantic version numbers (Major.Minor.Patch-Prerelease) according to the SemVer 2.0.0 specification.

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.env to JSON & Docker Compose Converter

Convert .env environment configuration files into JSON key-value objects and Docker Compose environment YAML syntax.

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URL Query Parameter Parser & Builder

Parse URLs into protocol, hostname, path, hash, and query parameters. Edit, add, and reconstruct query strings in seconds.

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Subdomain & Hostname Extractor

Extract unique hostnames, subdomains, and root domains from lists of URLs, log files, and raw text.

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Credit Card Luhn Algorithm Validator

Validate credit card, debit card, and IMEI numbers using the MOD 10 Luhn checksum algorithm. 100% private in-browser validation with zero data storage.

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CIDR & Subnet Range Calculator

Calculate IPv4 CIDR blocks, subnet masks, usable host ranges, network addresses, and broadcast addresses instantly.

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IP to Integer & Hex Converter

Convert IPv4 dotted-decimal addresses into 32-bit unsigned integers, hexadecimal, and binary formats for database optimization.

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IPv6 Address Expander & Compressor

Expand compressed IPv6 addresses into full 32-digit 8-hextet format, or compress long IPv6 addresses using standard RFC 5952 zero-suppression.

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SPF Record Generator

Interactive SPF record creation wizard. Build secure v=spf1 DNS TXT records with MX, IPv4/IPv6, and third-party email provider includes.

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DMARC Policy Generator

Generate compliant _dmarc DNS TXT records to protect your domain from email spoofing and phishing with aggregate reporting (RUA) tags.

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Robots.txt Generator

Create a search-engine friendly robots.txt file for Googlebot, Bingbot, and web crawlers with custom disallow rules and XML sitemap link.

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XML Sitemap Generator

Generate clean XML sitemap files for Google Search Console and Bing Webmaster Tools from a list of URLs with lastmod timestamps.

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Meta Tag & Open Graph Generator

Generate complete HTML SEO meta tags, Open Graph (OG) Facebook tags, and Twitter Cards with live snippet preview.

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XML Validator & Syntax Checker

Validate XML syntax and check for well-formedness online in your browser. Highlights exact line and column errors with zero server file uploads.

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HTTP Request & REST API Mock Tester

Lightweight in-browser REST API tester. Send GET, POST, PUT, PATCH, DELETE requests with custom headers and JSON body to test APIs in real-time.

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Git Command Generator & Interactive Helper

Generate Git commands visually for branching, merging, stashing, rebasing, committing, and undoing mistakes with one-click copy.

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MAC Address Formatter & Standardizer

Format and convert MAC addresses between Colon (00:1A:2B:3C:4D:5E), Hyphen (00-1A-2B-3C-4D-5E), Dot (001a.2b3c.4d5e Cisco), and raw hexadecimal.

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HTTP Status Code Reference & Lookup

Complete HTTP response status codes guide (100 to 599). Instant search and lookup with RFC definitions, common causes, and troubleshooting steps.

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MIME Type & File Extension Reference Guide

Search and lookup standard Content-Type MIME types and corresponding file extensions for web development, HTTP headers, and API responses.

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AES-GCM 256-bit Text & File Encryptor / Decryptor

Encrypt and decrypt text and data with AES-256-GCM using Web Crypto API. Password protected with PBKDF2 key derivation and zero server uploads.

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RSA Key Pair Generator (2048 & 4096-bit PEM)

Generate cryptographically secure RSA public and private key pairs (2048-bit, 4096-bit) in PEM format directly in your browser with zero server uploads.

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Large File Checksum & Hash Calculator

Calculate SHA-256, SHA-512, SHA-1, and MD5 checksums for large files in your browser. Stream-processed locally with zero server file uploads.

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HMAC Signature Generator (SHA-256, SHA-512, SHA-1)

Generate HMAC (Hash-based Message Authentication Code) signatures online using SHA-256, SHA-512, and SHA-1 with custom secret keys.

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Password Strength & Crack-Time Estimator

Test password strength and crack resistance. Analyzes entropy, brute-force crack time across GPU clusters, dictionary patterns, and security tips.

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Public Key / X.509 Certificate Decoder & Inspector

Decode and inspect X.509 SSL/TLS certificates and CSR files in PEM format. View Issuer, Subject, Validity dates, SANs, and Public Key algorithms.

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Bcrypt Hash Generator & Verifier

Generate and verify Bcrypt password hashes online. Customizable work factor (salt rounds 4-16) with instant hash comparison.

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PBKDF2 Key Derivation Generator

Derive cryptographic keys from passwords using PBKDF2 (Password-Based Key Derivation Function 2) with HMAC-SHA256/SHA-512 via Web Crypto API.

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Random Secret & API Key / Token Generator

Generate cryptographically random API keys, secret tokens, JWT secret keys, and webhook signing secrets in Hex, Base64, and alphanumeric formats.

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DKIM Record Generator & RSA Keypair Builder

Generate DKIM (DomainKeys Identified Mail) RSA 2048-bit keypairs and format DNS TXT records for your domain in your browser with zero server uploads.

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Schema.org JSON-LD Validator & Rich Snippet Checker

Validate Schema.org JSON-LD structured data and check rich snippet compliance for Article, Product, Organization, FAQ, and Breadcrumb markup.

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Word & Character Counter

Free real-time online word counter and character counter. Calculate words, characters (with and without spaces), reading time, and speaking time.

Text & Writing Tools Open →

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Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and PascalCase instantly.

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Line Sorter & Deduplicator

Sort text lines alphabetically (A-Z or Z-A), numerically, by line length, or reverse. Remove duplicate lines with one click.

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Text Cleaner & Whitespace Remover

Clean messy text by removing duplicate spaces, blank lines, tabs, HTML tags, and trailing whitespace in your browser.

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Lorem Ipsum Dummy Text Generator

Generate custom standard Latin dummy placeholder text for mockups, websites, and graphic designs. Customize paragraphs, sentences, and word count.

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URL Slug Generator

Convert titles, headlines, and strings into clean, SEO-friendly URL slugs. Strips special characters, accents, and punctuation instantly.

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Find & Replace Text Tool

Search and replace words, characters, and regular expression patterns in long text documents in real time.

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Reverse Text & Flip Text Generator

Reverse text backwards, reverse word orders, reverse lines, or flip characters upside down for social media and creative typography.

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Binary to Text Converter

Convert 8-bit binary code (0s and 1s) into human-readable plain text and UTF-8 ASCII characters online.

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Text to Binary Converter

Convert plain English text and strings into 8-bit binary code (0s and 1s) instantly in your browser.

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Rot13 Cipher Encoder & Decoder

Rotate text characters by 13 positions with standard ROT13 Caesar cipher substitution. Symmetrical encode and decode in real time.

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Text to Morse Code Converter

Convert text and sentences into international Morse code dots (.) and dashes (-). Translate letters and numbers to Morse code instantly.

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Add Line Numbers to Text

Add sequential line numbers to text, scripts, and code snippets online. Customize starting numbers and leading zero padding.

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Emoji Remover & Text Sanitizer

Remove all emojis, smileys, and Unicode pictographs from your text with one click. Clean text for databases, SMS, and formal documents.

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Invisible & Zero-Width Space Cleaner

Detect and remove invisible zero-width spaces (ZWSP, ZWNJ, ZWJ, BOM) that cause copy-paste errors, broken code, and hidden text anomalies.

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Prefix & Suffix Line Adder

Add custom prefix text to the beginning and suffix text to the end of every line in bulk online. Perfect for SQL queries, HTML tags, and code formatting.

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Palindrome Checker

Check whether a word, phrase, number, or sequence reads the same backwards as forward. Automatically ignores punctuation, spaces, and casing.

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Social Media Character Counter

Real-time character counter with live limit meters for Twitter/X (280), LinkedIn (3,000), Instagram Captions (2,200), Instagram Bio (150), and Google SEO.

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Text Repeater & String Multiplier

Repeat any text, message, or string up to 10,000 times online. Customize custom delimiters (new line, comma, space, period) with one click.

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Word & Keyword Frequency Counter

Analyze word frequency and keyword density in articles and essays. Find the most repeated words, percentages, and occurrence counts.

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Hashtag Generator & Extractor

Generate Instagram, TikTok, Twitter, and LinkedIn hashtags from your text or keywords. Automatically removes stop words and formats clean tags.

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Instagram Bio Spacing & Line Break Formatter

Format clean line breaks and spacing for Instagram Bio and captions without awkward dots or symbols. Copy and paste directly into Instagram.

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Unicode Fancy Font & Nickname Generator

Convert plain text into cool, aesthetic Unicode fonts: Bold, Italic, Gothic/Fraktur, Double-Struck, Monospace, and Bubble text for Instagram and Discord.

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YouTube Tag Comma Separator & Formatter

Format YouTube video tags into comma-separated lists. Checks YouTube's 500-character tag limit and deduplicates tags instantly.

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Text Diff Checker (Side-by-Side Comparison)

Compare two pieces of text side-by-side or line-by-line to find insertions, deletions, and differences instantly in your browser.

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NATO Phonetic Alphabet Translator

Convert text and spell out words in NATO Phonetic Alphabet (Alfa, Bravo, Charlie) or decode phonetic strings back into plain English.

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Text to ASCII Art & Figlet Banner Generator

Generate retro ASCII art text banners and Figlet style headlines for README files, terminal headers, and social profiles.

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Zalgo & Cursed Text Generator

Generate cursed, glitchy, corrupted Zalgo text with customizable chaos intensity. Perfect for Discord, gaming nicknames, and memes.

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Readability Score Calculator

Analyze text readability with Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, Coleman-Liau, and ARI metrics.

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Text Truncator & Ellipsis Formatter

Truncate text by character or word count while preserving whole words and adding custom ellipsis characters.

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Google SERP Title & Meta Description Previewer

Preview how your web page title and meta description will appear in Google Desktop and Mobile search results with pixel width checks.

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Columnar / Markdown Table Extractor & Cleaner

Extract, clean, and format columnar data and Markdown tables. Convert space-aligned text into neat Markdown, CSV, or TSV tables.

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SRT Subtitle Timestamp Offset & Resync Tool

Shift, offset, and synchronize SRT subtitle timestamps online. Add or subtract milliseconds, seconds, or minutes with instant SRT file download.

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Twitter / X Character Counter

Free real-time Twitter/X character counter with 280-character limit tracker, live tweet preview, emoji count, and multi-tweet thread splitter.

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LinkedIn Post Character Counter

Calculate LinkedIn post length against the 3,000-character limit. Preview the crucial 140-character "See more" fold to optimize hook engagement.

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Instagram Caption Character Counter

Check Instagram caption length up to 2,200 characters, track 30 hashtag limits, and preserve clean spacing with zero dots.

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Instagram Bio Character Counter

Free Instagram bio character counter with strict 150-character limit tracking, line break helper, and profile preview.

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JSON to CSV Converter

Convert JSON arrays and objects to CSV format online. Export formatted tabular data ready for Excel and Google Sheets.

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CSV to JSON Converter

Convert CSV data into JSON arrays and objects. Supports custom delimiters, header detection, and numeric auto-parsing.

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Number Base Converter

Convert numbers between Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8) in real-time.

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JSON to XML Converter

Convert JSON objects and arrays into structured, indented XML documents instantly in your browser.

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XML to JSON Converter

Convert XML documents and feeds into clean, formatted JSON arrays and objects in your browser.

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JSON to YAML Converter

Transform JSON data structures into clean, indented YAML for Kubernetes, Docker Compose, and CI/CD pipelines.

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YAML to JSON Converter

Parse and convert YAML configuration files into JSON format online. Perfect for DevOps configs and API payloads.

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Markdown to HTML Converter

Convert GitHub flavored Markdown into clean, semantic HTML code with instant preview.

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HTML to Markdown Converter

Convert raw HTML web page code, articles, and snippets into clean GitHub-flavored Markdown text.

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HTML to Plain Text Converter

Extract plain readable text from HTML documents by stripping all tags, scripts, and styling.

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Number to Words Converter

Convert numbers and monetary figures into English words with currency formatting (USD, EUR, INR, GBP).

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Roman Numeral Converter

Convert Arabic numbers (1-3999) to Roman numerals (I, V, X, L, C, D, M) and vice-versa in real-time.

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Base32 Encoder & Decoder

Encode and decode Base32 strings according to RFC 4648 standard. Used in 2FA TOTP secrets and DNSSEC.

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Base58 Encoder & Decoder

Encode and decode strings in Base58 format (Bitcoin alphabet). Safe encoding without ambiguous 0, O, I, l characters.

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JSON to TypeScript Interface Generator

Convert JSON objects into strongly-typed TypeScript interfaces and type definitions instantly in your browser.

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JSON to Go Struct Generator

Convert JSON data into clean Go (Golang) struct definitions with accurate json tags and PascalCase naming conventions.

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JSON to Dart / Flutter Class Generator

Generate Dart model classes with fromJson() and toJson() serialization methods from sample JSON payloads.

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CSV to TSV & TSV to CSV Converter

Convert comma-separated values (CSV) into tab-separated values (TSV) and vice versa with quote handling and line break preservation.

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SQL Insert / DDL to JSON Converter

Convert SQL INSERT statements and table schemas into clean JSON arrays and objects. In-browser SQL dump parser with one-click export.

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HTML Table to CSV / Excel Data Converter

Extract data from HTML `<table>` tags and convert into clean CSV or TSV format for Excel and Google Sheets with one-click export.

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Base85 / Ascii85 Encoder & Decoder

Encode and decode strings using Ascii85 (Base85) binary-to-text encoding. Supports standard Adobe Ascii85 and IPv6 btoa format.

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Punycode (IDN Domain Name) Encoder & Decoder

Convert internationalized domain names (IDN) with Unicode characters to Punycode (`xn--...`) and back. Essential for DNS and SSL configurations.

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Deflate / Gzip / Zlib String & File Decompressor

Decompress Gzip, Deflate, and Zlib compressed strings and files in your browser. Powered by native DecompressionStream API with zero server uploads.

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Live Currency Converter

Convert global currencies in real-time with live exchange rates, fee markup calculator, and reverse rate comparisons.

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Merge PDF Files Online

Combine multiple PDF documents into one single PDF online. 100% private in-browser processing with zero server uploads.

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Split PDF Pages Online

Split PDF files into individual pages or extract custom page ranges online directly in your browser with 100% privacy.

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PDF Compressor Online

Compress and reduce PDF document size directly in your browser with zero server uploads and maximum privacy.

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Length & Distance Converter

Convert between metric and imperial length units — Millimeters, Centimeters, Meters, Kilometers, Inches, Feet, Yards, and Miles.

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Weight & Mass Converter

Convert weight and mass units accurately — Kilograms (kg), Pounds (lbs), Grams (g), Ounces (oz), Metric Tons, and Stones.

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Data Storage Converter

Convert digital storage units between Bits, Bytes, Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB). Supports Decimal (1000) & Binary (1024).

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Temperature Converter

Convert temperatures instantly between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) with step-by-step conversion formulas.

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Area & Land Converter

Convert land and area measurements between Square Meters, Acres, Hectares, Square Feet, Square Yards, and Square Kilometers.

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Volume & Liquid Converter

Convert liquid and dry volume units between Liters, US Gallons, UK Gallons, Milliliters, Fluid Ounces, Quarts, Pints, and Cubic Meters.

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Speed & Velocity Converter

Convert velocity units between Kilometers per hour (km/h), Miles per hour (mph), Meters per second (m/s), Knots, and Mach.

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Pressure Converter

Convert pressure units between PSI, Bar, Pascal (Pa), Kilopascal (kPa), Standard Atmospheres (atm), and Torr / mmHg.

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Energy & Work Converter

Convert energy between Joules (J), Kilojoules (kJ), Calories (cal), Kilocalories (kcal), Kilowatt-hours (kWh), and British Thermal Units (BTU).

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Power Converter

Convert power units between Watts (W), Kilowatts (kW), Megawatts (MW), Mechanical Horsepower (hp), and Metric Horsepower (PS).

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Bandwidth & Internet Speed Converter

Convert internet speeds between Megabits per second (Mbps), Megabytes per second (MB/s), Gigabits (Gbps), and Kilobits (Kbps).

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Time Duration Converter

Convert time durations between Milliseconds, Seconds, Minutes, Hours, Days, Weeks, Months, and Years.

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Angle Converter

Convert angular units between Degrees (°), Radians (rad), Gradians (grad), Arcminutes ('), and Arcseconds ('').

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Force Converter

Convert physical force units between Newtons (N), Kilonewtons (kN), Dynes (dyn), Pound-force (lbf), and Kilogram-force (kgf).

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Torque Converter

Convert rotational torque between Newton-meters (Nm), Foot-pounds (lb-ft), Inch-pounds (lb-in), and Kilogram-meters (kg-m).

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Cooking & Recipe Unit Converter

Convert recipe measurements between Cups, Tablespoons, Teaspoons, Grams, Ounces, and Milliliters with ingredient density support.

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Shoe Size Converter (US, UK, EU, CM, Inches)

Convert shoe sizes across US Men, US Women, UK, European (EU), Foot Length in Centimeters (CM) and Inches.

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Paper Size Dimensions Guide & Converter

Look up exact dimensions for standard paper formats: ISO A-series (A4, A3, A5), B-series, US Letter, Legal, and Tabloid in millimeters, inches, and pixels.

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Pixels to Inches, CM & DPI Calculator

Convert screen pixels to physical dimensions (Inches, Centimeters, Millimeters, Points) at any DPI/PPI resolution (72, 96, 150, 300 DPI).

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Frequency Converter

Convert frequency and rotational speed units between Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz), and Revolutions per minute (RPM).

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Fuel Consumption Converter

Convert vehicle fuel economy and gas mileage between US MPG, Imperial UK MPG, Liters per 100km (L/100km), and Kilometers per Liter (km/L).

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Electric Current Converter

Convert electrical current between Ampere (A), Milliampere (mA), Microampere (µA), Kiloampere (kA), Abampere (Bi), and Statampere with instant precision.

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Density Converter

Convert material and liquid density between kilograms per cubic meter (kg/m³), grams per cubic centimeter (g/cm³), pounds per cubic foot (lb/ft³), and pounds per gallon.

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Volumetric Flow Rate Converter

Convert liquid and gas volumetric flow rates between Liters per minute (L/min), Gallons per minute (GPM), Cubic meters per hour (m³/h), and Cubic feet per second (CFS).

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Percentage Calculator

Free online percentage calculator. Compute what is X% of Y, X is what percentage of Y, and calculate percentage increase or decrease with step-by-step formulas.

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GST / Sales Tax Calculator

Calculate Goods and Services Tax (GST) and sales tax. Easily calculate GST inclusive and GST exclusive amounts, tax breakdowns, CGST, and SGST.

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EMI & Loan Calculator

Calculate Equated Monthly Installment (EMI) for home loans, auto loans, and personal loans. Get instant monthly payment, total interest, and total payable amounts.

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Compound Interest Calculator

Free compound interest calculator. Calculate future investment value, interest earned, and compound growth with annual, quarterly, or monthly compounding.

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Simple Interest Calculator

Calculate simple interest (SI = P × R × T / 100) on loans and investments. Get instant interest amounts and total maturity values.

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Mortgage Calculator

Estimate monthly mortgage payments including principal, interest, property tax, and home insurance. Calculate 15-year and 30-year fixed home loans.

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SIP Calculator (Systematic Investment Plan)

Calculate returns on your monthly Mutual Fund SIP investments. Estimate total wealth accumulated, invested amount, and estimated capital gains.

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ROI Calculator (Return on Investment & CAGR)

Calculate Return on Investment (ROI), total profit percentage, and Compound Annual Growth Rate (CAGR) for stocks, real estate, and business ventures.

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Salary & Hourly Pay Calculator

Convert hourly wage to annual salary, monthly pay, bi-weekly paycheck, and weekly earnings. Adjust for hours worked per week and paid vacation days.

Calculators Open →

🧮

Inflation & Purchasing Power Calculator

Calculate the impact of inflation on your money. Find out how much today’s money will be worth in the future and how much purchasing power is lost.

Calculators Open →

🧮

Discount & Sale Price Calculator

Find the final discounted price and see how much you save on sales, promotions, and store discounts with optional sales tax calculation.

Calculators Open →

🧮

Tip & Bill Splitter Calculator

Calculate restaurant tip amounts and split dinner bills evenly among friends and group members in seconds.

Calculators Open →

🧮

Date & Age Calculator

Calculate your exact age in years, months, weeks, days, hours, and minutes from your birth date. Includes upcoming birthday countdown.

Calculators Open →

🧮

BMI & Health Calculator

Calculate your Body Mass Index (BMI) using Metric (kg/cm) or Imperial (lbs/inches) units and view WHO healthy weight ranges.

Calculators Open →

🧮

Fraction Calculator (Add, Subtract, Multiply, Divide)

Perform arithmetic on fractions: addition, subtraction, multiplication, division, fraction simplification, mixed numbers, and decimal conversion.

Calculators Open →

🧮

Scientific & Mathematical Calculator

Free full-featured online scientific calculator with trigonometric functions (sin, cos, tan), logarithms (log, ln), square roots, powers, and factorials.

Calculators Open →

🧮

Statistics & Data Analysis Calculator

Calculate descriptive statistics for any data set: Mean (Average), Median, Mode, Standard Deviation, Variance, Min, Max, Range, and Quartiles (IQR).

Calculators Open →

🧮

Quadratic Equation Solver (ax² + bx + c = 0)

Solve quadratic equations ax² + bx + c = 0. Computes discriminant, real and complex roots, parabola vertex coordinates, and axis of symmetry.

Calculators Open →

🧮

GCD & LCM Calculator (Greatest Common Divisor)

Find the Greatest Common Divisor (GCD/GCF/HCF) and Least Common Multiple (LCM) for two or more numbers using Euclidean algorithm.

Calculators Open →

🧮

Aspect Ratio Calculator & Resolution Scaler

Calculate aspect ratios (16:9, 4:3, 1:1, 21:9) and scale image or video dimensions proportionally while preserving aspect ratio.

Calculators Open →

🧮

Sleep Cycle & Optimal Bedtime Calculator

Calculate the best times to fall asleep or wake up refreshed based on natural 90-minute REM sleep cycles and average sleep latency.

Calculators Open →

🧮

Profit Margin & Markup Calculator

Calculate gross profit, profit margin percentage, and markup percentage from item cost and selling price for business pricing.

Calculators Open →

🧮

Freelance Hourly Rate & Billable Hours Calculator

Calculate your minimum freelance hourly rate and day rate based on desired take-home salary, billable hours, business overhead, and taxes.

Calculators Open →

🧮

Working Days & Date Difference Calculator

Calculate total working business days between two dates, automatically excluding Saturdays and Sundays for project planning.

Calculators Open →

🧮

Calorie, BMR & TDEE Daily Energy Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the Mifflin-St Jeor formula for weight maintenance or loss.

Calculators Open →

🧮

Add or Subtract Days to Date Calculator

Calculate future or past dates by adding or subtracting days, weeks, months, or years from any starting date with business day exclusions.

Calculators Open →

🧮

Download & Upload Time Estimator Calculator

Calculate how long it takes to download or upload a file based on your internet connection speed (Mbps, Gbps, MB/s) and file size (GB, TB, MB).

Calculators Open →

🧮

Unit Price Comparison Calculator

Compare prices of different product packages and sizes to find the best deal. Calculates unit cost per ounce, gram, pound, liter, or item.

Calculators Open →

🧮

Credit Card Payoff & Debt Snowball Calculator

Calculate how long it will take to pay off credit card debt. See monthly payment schedules, total interest charges, and payoff date estimates.

Calculators Open →

🧮

Car Depreciation & Resale Value Calculator

Estimate your vehicle depreciation rate and resale value year-by-year (1 to 10 years). Understand vehicle value retention for new and used cars.

Calculators Open →

🧮

Electricity Bill & Appliance Energy Cost Calculator

Calculate the cost to run any electrical appliance (AC, heater, PC, TV, EV charger). Estimates daily, monthly, and yearly power bill costs in kWh.

Calculators Open →

🧮

Gas Mileage & Trip Fuel Cost Calculator

Calculate total fuel cost, gallons/liters needed, and cost per passenger for any road trip or daily commute based on distance, MPG, and gas price.

Calculators Open →

🧮

Permutation & Combination (nPr, nCr) Calculator

Calculate permutations (nPr) and combinations (nCr) online. Includes step-by-step mathematical formulas, factorial expansions, and repetition modes.

Calculators Open →

🧮

Matrix Operations Calculator (Add, Multiply, Det, Inverse)

Perform matrix arithmetic online: 2x2 and 3x3 matrix addition, subtraction, matrix multiplication, determinant, transpose, and matrix inverse.

Calculators Open →

🧮

Triangle Solver (Angles, Sides, Area & Perimeter)

Solve any triangle (Right, SSS, SAS, ASA, AAS) given 3 known sides or angles. Calculates all remaining sides, angles, area (Heron's formula), and perimeter.

Calculators Open →

🧮

Circle & Sphere Geometry Calculator

Calculate circle area, circumference, radius, diameter, and 3D sphere surface area and volume from any single known dimension with step-by-step formulas.

Calculators Open →

🧮

Income Tax Calculator (FY 2024-25 & 2025-26)

Free online Income Tax Calculator for FY 2024-25 and FY 2025-26 (AY 2025-26 & AY 2026-27). Compare Old vs New Tax Regime with standard deduction, 80C, 80D, HRA and Section 87A rebate.

Calculators Open →

🧮

Loan Calculator & Payment Planner

Calculate monthly loan payments, interest breakdown, and amortization schedule with prepayment savings for personal, car, and home loans.

Calculators Open →

🎨

Color Format Converter

Convert colors between HEX, RGB, RGBA, HSL, HSLA, HSV, and CMYK formats in real time with interactive color picker.

Color Tools Open →

🎨

Color Contrast Checker

Check the contrast ratio between foreground text and background colors according to Web Content Accessibility Guidelines (WCAG 2.1) AA and AAA standards.

Color Tools Open →

🎨

CSS Gradient Generator

Create beautiful, modern CSS linear, radial, and conic gradients with interactive color stops, angles, and instant CSS code export.

Color Tools Open →

🎨

CSS Box Shadow Generator

Design smooth, realistic multi-layered CSS box shadows, inset shadows, and elevation glow effects with live interactive preview.

Color Tools Open →

🎨

CSS Border Radius & Blob Generator

Visual CSS border-radius tool with 4-corner independent controls and 8-point organic blob shape generator with instant CSS copy.

Color Tools Open →

🎨

CSS Glassmorphism Generator

Generate modern frosted glassmorphism CSS UI effects with backdrop-filter blur, customizable transparency, border opacity, and subtle drop shadows.

Color Tools Open →

🎨

CSS Neumorphism Generator

Create tactile Neumorphism Soft UI CSS components with flat, pressed, concave, and convex shapes, light/dark shadows, and border radii.

Color Tools Open →

🎨

Color Palette Generator

Generate trending color palettes, lock favored colors, explore curated color schemes, and export HEX, RGB, and CSS variables.

Color Tools Open →

🎨

Color Harmony & Wheel Generator

Calculate precise complementary, triadic, analogous, split-complementary, and tetradic color harmonies from any base color.

Color Tools Open →

🎨

Color Shades, Tints & Tones Generator

Generate 10-step tints (mixed with white), shades (mixed with black), and tones (mixed with grey) for design systems like Tailwind 50-900.

Color Tools Open →

🎨

CSS Triangle Generator

Create pure CSS border triangles and tooltips pointing top, right, bottom, or left with custom dimensions and colors.

Color Tools Open →

🎨

CSS Clamp() Fluid Typography Generator

Calculate perfect fluid font-size, padding, and gap using the CSS clamp() function between minimum and maximum viewport breakpoints.

Color Tools Open →

🎨

CSS Cubic Bezier Animation Curve Visualizer

Visually create custom CSS cubic-bezier transition curves with interactive control points, animation speed comparison, and live easing previews.

Color Tools Open →

🎨

Color Blindness Simulator (Protanopia, Deuteranopia, Tritanopia)

Simulate how colors and website designs appear to people with color vision deficiencies (Protanopia, Deuteranopia, Tritanopia, and Achromatopsia).

Color Tools Open →

🎨

Image Color Palette Extractor

Extract dominant colors and generate harmonious color palettes from any uploaded photo in your browser. Get instant HEX, RGB, and HSL codes.

Color Tools Open →

🖼️

Image Compressor & Optimizer

Compress and optimize JPG, PNG, and WebP images directly in your browser without quality loss. 100% private with zero file uploads to servers.

Image Tools Open →

🖼️

Image Resizer

Resize image width and height in pixels or percentage with aspect ratio lock. High-res bicubic canvas interpolation with instant download.

Image Tools Open →

🖼️

Image Format Converter

Convert between PNG, JPG, WebP, and BMP images instantly in your browser without uploading files to third-party servers.

Image Tools Open →

🖼️

Image to Base64 Converter

Convert any image file (PNG, JPG, SVG, WebP, GIF) into a Base64 data:image URI string for inline HTML, CSS background images, or JSON APIs.

Image Tools Open →

🖼️

Base64 to Image Decoder

Decode Base64 strings and Data URIs into visual images. Preview the decoded image and download it as PNG or JPG file.

Image Tools Open →

🖼️

Image Rotator & Flipper

Rotate images 90, 180, 270 degrees clockwise or counterclockwise and flip horizontally or vertically with live canvas preview.

Image Tools Open →

🖼️

Favicon Generator

Generate standard website favicons in 16x16, 32x32, 48x48, and 192x192 PNG dimensions with ready-to-paste HTML link tags.

Image Tools Open →

🖼️

Image Filters & Photo Adjuster

Apply artistic photo filters like Grayscale, Sepia, Invert, Blur, Brightness, and Contrast to images in real time using CSS Canvas filters.

Image Tools Open →

🖼️

Meme Generator

Create funny memes by uploading any image and adding custom top and bottom Impact text with black outlines and instant download.

Image Tools Open →

🖼️

Watermark Image & Text Stamper

Protect your photos with customizable watermark text, opacity, font size, and placement (bottom-right, center, top-left) in your browser.

Image Tools Open →

🖼️

Image Cropper (Freeform, 1:1, 16:9, Circle Crop)

Crop images online in your browser. Supports square 1:1, 16:9 widescreen, 4:3 standard, custom freeform, and circular avatar crops with zero file uploads.

Image Tools Open →

🖼️

Image to PDF Document Converter

Convert JPG, PNG, and WebP images to PDF documents online in your browser. Single or multi-image page layout with zero server uploads.

Image Tools Open →

🖼️

Social Media Image Sizer & Banner Formatter

Resize and format images for YouTube Banners (2560x1440), Twitter Headers (1500x500), Instagram Posts (1080x1080), Stories, and LinkedIn Covers.

Image Tools Open →

🖼️

Image EXIF Metadata Viewer & Inspector

View EXIF metadata hidden in photos (Camera model, shutter speed, ISO, focal length, date taken, and GPS coordinates) in your browser.

Image Tools Open →

🖼️

Image EXIF Metadata Stripper (Privacy Cleaner)

Remove private EXIF metadata, GPS locations, camera serials, and timestamps from photos before sharing online. 100% privacy-first in-browser cleaning.

Image Tools Open →

🖼️

SVG to PNG / JPEG High-Res Rasterizer

Convert SVG vector files into high-resolution transparent PNG or crisp JPEG images. Scale up to 4x (Retina) with zero pixelation or server uploads.

Image Tools Open →

🖼️

SVG Optimizer & Minifier (Client-Side SVGO)

Minify and optimize SVG graphics online. Removes editor comments, unnecessary metadata, hidden attributes, and collapses whitespace to reduce file size.

Image Tools Open →

🖼️

YouTube Thumbnail Downloader

Download high-quality YouTube video thumbnails in 1080p Full HD, HQ (480p), and SD formats from any YouTube URL or Shorts link.

Image Tools Open →

🖼️

PDF to JPG Converter

Convert PDF documents into high-resolution JPG / PNG images directly in your browser. Download single pages or all pages as ZIP.

Image Tools Open →

🖼️

Image Background Remover (Transparent PNG)

Remove image backgrounds online in your browser. Create transparent PNG graphics, cut out logos and product photos with 100% privacy and zero uploads.

Image Tools Open →

🌐

DNS Records Checker

Inspect and diagnose DNS records for any domain name worldwide in real time with TTL, target host, and priority details.

Website & SEO Tools Open →

🌐

DNS Propagation Checker

Check DNS propagation across global recursive resolvers (Cloudflare, Google Public DNS, Quad9, OpenDNS). Verify domain record updates in real time.

Website & SEO Tools Open →

🌐

DNSSEC Validator & Checker

Verify DNSSEC (Domain Name System Security Extensions) deployment for your domain. Check DS records, RRSIG signatures, and cryptographic authenticity.

Website & SEO Tools Open →

🌐

A Record (IPv4) Checker

Lookup DNS A (Address) records for any domain name. Check resolved IPv4 address, hosting server location, and TTL settings.

Website & SEO Tools Open →

🌐

MX Record (Mail Exchange) Checker

Inspect MX (Mail Exchange) records for any email domain. Verify mail server hostnames, priority order (weights), and mail delivery health.

Website & SEO Tools Open →

🌐

TXT Record Checker

Lookup and inspect all TXT records for any domain name. Verify SPF rules, domain ownership verification strings (Google, Microsoft, Facebook), and public keys.

Website & SEO Tools Open →

🌐

CNAME Record Checker

Lookup DNS CNAME (Canonical Name) records. Check subdomain aliases, CDN routing targets, and alias resolution chains.

Website & SEO Tools Open →

🌐

NS (Nameserver) Record Checker

Find the authoritative DNS nameservers hosting any domain name. Check DNS provider assignment (Cloudflare, AWS Route53, GoDaddy, Namecheap).

Website & SEO Tools Open →

🌐

Reverse DNS (PTR) Lookup

Perform reverse DNS lookup (PTR record query) to find the hostname associated with any IPv4 or IPv6 address. Critical for email deliverability.

Website & SEO Tools Open →

🌐

CAA Record Checker

Check DNS CAA records for any domain name. Verify which Certificate Authorities (Let’s Encrypt, DigiCert, Sectigo) are allowed to issue SSL certificates.

Website & SEO Tools Open →

🌐

SOA Record & Serial Checker

Inspect the DNS Start of Authority (SOA) record. Check primary nameserver, administrator email, serial number, refresh, retry, and expire timers.

Website & SEO Tools Open →

🌐

SPF Record Validator & Lookup Counter

Audit your domain SPF (Sender Policy Framework) record. Check syntax, mechanisms, all policies, and verify compliance with the 10 DNS lookup limit.

Website & SEO Tools Open →

🌐

DKIM Record & Selector Key Checker

Inspect DKIM (DomainKeys Identified Mail) public key records on custom selectors (google, default, s1, mail). Verify key length and cryptographic validity.

Website & SEO Tools Open →

🌐

DMARC Policy Validator

Validate DMARC (Domain-based Message Authentication) records. Audit enforcement policies (p=reject, p=quarantine), alignment modes, and RUA reporting.

Website & SEO Tools Open →

🌐

BIMI Record & SVG Logo Checker

Check BIMI (Brand Indicators for Message Identification) configuration. Verify SVG Tiny PS logo URLs and VMC (Verified Mark Certificate) status.

Website & SEO Tools Open →

🌐

MTA-STS & TLS-RPT Policy Checker

Audit MTA-STS (Mail Transfer Agent Strict Transport Security) and TLS-RPT records. Ensure incoming emails are delivered strictly over TLS encrypted channels.

Website & SEO Tools Open →

🌐

Spam Blacklist & DNSBL Checker

Check if your mail server IP or domain is listed on major anti-spam blacklists including Spamhaus ZEN, Barracuda BRBL, Spamcop, and SORBS.

Website & SEO Tools Open →

🌐

Disposable Email Domain Detector

Detect temporary, throwaway, and disposable email domains (Mailinator, 10MinuteMail, TempMail). Prevent fraudulent user registrations.

Website & SEO Tools Open →

🌐

SMTP Handshake & Diagnostic Tester

Perform a live SMTP socket handshake test on port 25 or 587. Verify MX response codes, STARTTLS encryption support, and server banners.

Website & SEO Tools Open →

🌐

SSL Certificate Checker

Inspect SSL/TLS certificate details for any HTTPS website. Check certificate validity, days until expiration, issuer authority, SANs, and TLS protocol.

Website & SEO Tools Open →

🌐

HTTP Header Checker

Inspect HTTP response headers, HTTP status codes (200, 301, 302, 404, 500), redirect chains, and audit security headers (HSTS, CSP, X-Frame-Options).

Website & SEO Tools Open →

🌐

HTTP Redirect Chain Tracer

Trace HTTP redirect chains (301 permanent, 302 temporary, 307/308). Identify redirect loops, loss of link equity, and destination status codes.

Website & SEO Tools Open →

🌐

Security Headers Auditor (A+ to F Grading)

Audit HTTP security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy) with comprehensive A+ to F grading.

Website & SEO Tools Open →

🌐

Status Code & TTFB Latency Tester

Measure website Time to First Byte (TTFB) and HTTP response latency with granular DNS resolution, TCP connection, and TLS handshake timing.

Website & SEO Tools Open →

🌐

CDN Provider Detector

Find out which Content Delivery Network (CDN) powers any website. Identifies Cloudflare, Amazon CloudFront, Fastly, Akamai, Sucuri, and Imperva.

Website & SEO Tools Open →

🌐

Gzip & Brotli Compression Tester

Test if your web server has Gzip or Brotli compression enabled. Compare uncompressed vs compressed payload sizes and calculate bandwidth savings %.

Website & SEO Tools Open →

🌐

HTTP/2 & HTTP/3 Protocol Checker

Check if a website supports modern HTTP/2 multiplexing or HTTP/3 (QUIC) protocols. Inspect ALPN negotiation and Alt-Svc headers.

Website & SEO Tools Open →

🌐

Server Port & TCP Connectivity Checker

Test common network and service ports (FTP 21, SSH 22, SMTP 25, HTTP 80, HTTPS 443, MySQL 3306) on any target host or IP address.

Website & SEO Tools Open →

🌐

Website Technology & CMS Detector

Scan any website to detect its Content Management System (WordPress, Shopify, Joomla, Drupal) and technology stack (React, Next.js, Laravel, Nginx).

Website & SEO Tools Open →

🌐

Website Uptime & HTTP Ping Checker

Check if a website is up or down. Perform real-time HTTP ping to test availability, server status codes (200 OK vs 500/503), and response latency.

Website & SEO Tools Open →

🌐

Mixed Content SSL Scanner

Scrapes HTTPS pages for insecure plain HTTP (http://) images, scripts, stylesheets, and iframes that cause browser mixed content warnings.

Website & SEO Tools Open →

🌐

Server Signature & Software Disclosure Checker

Check if your web server leaks exact software versions (Apache, Nginx, PHP, ASP.NET) in HTTP response headers. Essential for security hardening.

Website & SEO Tools Open →

🌐

CORS Policy & Origin Header Tester

Test Cross-Origin Resource Sharing (CORS) headers on API endpoints. Detect dangerous misconfigurations such as origin reflection with credentials allowed.

Website & SEO Tools Open →

🌐

Clickjacking Protection Tester

Test if your website is vulnerable to UI redressing and clickjacking attacks. Audits X-Frame-Options (DENY/SAMEORIGIN) and CSP frame-ancestors directives.

Website & SEO Tools Open →

🌐

Cookie Security Flags Auditor

Audit HTTP cookies sent by your web server. Check for Secure (HTTPS only), HttpOnly (XSS protection), and SameSite (CSRF protection) security flags.

Website & SEO Tools Open →

🌐

Meta Tag & Social Preview Scraper

Scrape live webpage metadata including Title tag, Meta Description, Canonical link, and OpenGraph (OG) / Twitter Card social preview images.

Website & SEO Tools Open →

🌐

Robots.txt Live Checker & Validator

Fetch and validate your live /robots.txt file. Verify HTTP status code, User-Agent rules, Disallow directives, and Sitemap declarations.

Website & SEO Tools Open →

🌐

Sitemap.xml Live Checker & URL Counter

Check your live /sitemap.xml file. Verify XML validity, HTTP response codes, total indexed URL count, and extract sample URLs.

Website & SEO Tools Open →

🌐

Single-Page Broken Link Checker

Crawl and test outbound links on any webpage. Identify 404 Not Found, 500 errors, and broken URLs to improve SEO and user experience.

Website & SEO Tools Open →

🌐

Heading Hierarchy (H1-H6) Auditor

Audit HTML heading tags on any page. Detect missing primary H1 tags, duplicate multiple H1s, and skipped heading hierarchy levels.

Website & SEO Tools Open →

🌐

Image Alt Text & Accessibility Auditor

Scrape webpage images to detect missing alt attributes. Improve Google Image SEO rankings and WCAG accessibility compliance.

Website & SEO Tools Open →

🌐

Canonical Tag Checker

Inspect the rel="canonical" tag on any webpage. Prevent duplicate content penalties and ensure search engines index your preferred master URL.

Website & SEO Tools Open →

🌐

Hreflang Multi-Language Tag Checker

Inspect rel="alternate" hreflang tags on multilingual websites. Verify language codes (en, es, fr, de), regional targeting, and return links.

Website & SEO Tools Open →

🌐

Structured Data Schema Extractor (JSON-LD)

Extract and parse Schema.org JSON-LD structured data from any webpage. Test Organization, Article, Product, FAQ, and Breadcrumb rich snippets.

Website & SEO Tools Open →

🌐

Keyword Density & Frequency Analyzer

Analyze live webpage text to compute total word count and keyword density percentages. Avoid keyword stuffing and optimize on-page content.

Website & SEO Tools Open →

🌐

IP Lookup & Geolocation

Find detailed IP address information including reverse DNS hostname, country, ISP, organization, ASN, and network details.

Website & SEO Tools Open →

🌐

Reverse IP Lookup

Lookup reverse DNS and hostname records for any IP address to discover neighboring hosted domains and shared server environments.

Website & SEO Tools Open →

🌐

ASN & BGP Prefix Lookup

Lookup ASN details for any IP address. Discover Autonomous System Number, BGP routing prefix, ISP / Network operator, and country code.

Website & SEO Tools Open →

🌐

What's My IP Address?

Instantly discover your real public IPv4/IPv6 address, internet service provider (ISP), organization, ASN, and geographic location.

Website & SEO Tools Open →

🌐

Domain Whois & Registrar Inspector

Perform a WHOIS / RDAP lookup on any domain name. Check registrar name, registration creation date, expiration date, and domain status.

Website & SEO Tools Open →

🌐

Domain Age & Expiry Date Checker

Calculate the exact age of any domain name in years and days since registration. Check expiration date and remaining days online.

Website & SEO Tools Open →

🌐

Typosquatting Domain Generator & Availability Checker

Generate common typographical error variants (omission, double characters, TLD swaps) for your brand domain and check live registration status to prevent phishing.

Website & SEO Tools Open →

🌐

Google SEO Title Character Counter & SERP Pixel Checker

Calculate SEO title length against the optimal 50-60 character (~580px) Google limit. Live preview desktop & mobile Google search snippet truncation.

Website & SEO Tools Open →

🌐

Meta Description Character Counter & SERP Snippet Preview

Test meta description length against the optimal 150-160 character limit. Check mobile (120 chars) and desktop (160 chars) Google snippet truncation live.

Website & SEO Tools Open →

⚡

QR Code Generator

Generate custom QR codes online for URLs, plain text, WiFi credentials, emails, and phone numbers. Download high-resolution PNG images instantly.

Generators Open →

⚡

Strong Password Generator

Generate strong, random, cryptographically secure passwords. Customize length, uppercase, lowercase, numbers, and symbols with password entropy score.

Generators Open →

⚡

CSS Flexbox Visual Generator

Design responsive flexbox layouts with interactive visual controls for flex-direction, justify-content, align-items, flex-wrap, and gap with instant CSS code export.

Generators Open →

⚡

SVG Wave & Divider Generator

Generate organic, multilayer SVG waves and section dividers for web design. Customize wave height, crest complexity, color, opacity, and flip orientation.

Generators Open →

⚡

SVG Background Pattern Generator

Create lightweight, seamless SVG background patterns including dots, grids, diagonal stripes, and crosshatch with custom foreground/background colors.

Generators Open →

⚡

Barcode Generator

Generate vector SVG and PNG barcodes online for inventory, product SKUs, and retail. 100% free client-side barcode maker with instant download.

Generators Open →

⚡

WiFi QR Code Generator

Create a custom WiFi QR code card for guests to join your WiFi network instantly by scanning with an iPhone or Android camera without typing passwords.

Generators Open →

⚡

vCard Business Contact QR Generator

Generate a digital business card vCard QR code. When scanned by a phone, it automatically opens the Add to Contacts address book screen.

Generators Open →

⚡

Crypto Wallet Payment QR Code Generator

Generate standard payment QR codes for Bitcoin (BTC), Ethereum (ETH), USDT, and Solana wallet addresses with optional amount request.

Generators Open →

⚡

Random String & Token Generator

Generate random cryptographic strings, API tokens, hex keys, and custom random alphanumeric sequences online. Free client-side string maker.

Generators Open →

⚡

Random Number & Lottery Generator

Generate random numbers in any custom range or pick numbers for Powerball, Mega Millions, and EuroMillions. Cryptographically secure randomizer.

Generators Open →

⚡

Mock Dummy Data Generator (JSON & CSV)

Generate realistic dummy data for testing, database seeding, and frontend prototyping. Export fake users, products, and orders in clean JSON or CSV format.

Generators Open →

⚡

JSON Schema Generator

Automatically infer and generate a JSON Schema (Draft-07) from sample JSON data. Detects object properties, arrays, primitive types, emails, and dates.

Generators Open →

⚡

Online Countdown Timer & Stopwatch

Precision digital countdown timer and stopwatch with millisecond accuracy and lap split recording. Free fullscreen productivity timer.

Generators Open →

⚡

Pomodoro Focus Timer

Boost productivity with the 25-minute Pomodoro study technique. Features customizable work/break sessions, audio chimes, and cycle tracking.

Generators Open →

⚡

Random Decision Picker & Wheel Spinner

Can’t decide? Enter your options and let the cryptographic randomizer pick for you. Great for dinner choices, giveaways, raffle winners, and team assignments.

Generators Open →

⚡

Coin Flipper & Multi-Dice Roller

Flip virtual coins (Heads or Tails) or roll tabletop RPG dice (D4, D6, D8, D10, D12, D20, D100) with cryptographic randomness and sum calculation.

Generators Open →

⚡

User-Agent String Parser & Inspector

Parse and inspect any HTTP User-Agent string. Identify browser engine, operating system, device family, architecture, and crawler bot status.

Generators Open →

⚡

Screen Resolution & Viewport Diagnostics

Detect your current screen resolution, CSS viewport dimensions, device pixel ratio (Retina scaling), color depth, orientation, and touch capability.

Generators Open →

⚡

Multi-Timezone Meeting Planner & Converter

Convert dates and times across global timezones (UTC, New York, London, Tokyo, Mumbai, Sydney). Plan international remote meetings effortlessly.

Generators Open →

⚡

Data Matrix 2D Barcode Generator

Generate high-density Data Matrix ECC 200 2D barcodes online. Download scalable vector SVG or high-resolution PNG for industrial packaging and logistics.

Generators Open →

⚡

PDF417 2D Barcode Generator

Generate PDF417 stacked 2D barcodes online for boarding passes, driver licenses, shipping labels, and ID cards with instant SVG & PNG export.

Generators Open →

⚡

QR Code Scanner & Reader (Camera & File Upload)

Scan and read QR codes online using your web camera or by uploading an image. Fast in-browser decoding with instant link navigation and text copying.

Generators Open →

⚡

Barcode Scanner & Reader (1D & 2D Barcodes)

Scan and decode 1D and 2D barcodes online (Code 128, EAN-13, EAN-8, UPC-A, Code 39, Data Matrix) via webcam or image upload.

Generators Open →

🎧

Online Voice & Audio Microphone Recorder

Record high-quality audio and voice directly from your microphone in your browser. Download as WAV or WebM with zero server uploads.

Audio & Voice Tools Open →

🎧

Audio Tone & Frequency Sound Generator

Generate precise audio tones and frequencies from 1 Hz to 20,000 Hz. Pure sine, square, sawtooth, and triangle wave generator for audio testing and hearing calibration.

Audio & Voice Tools Open →

🎧

BPM Metronome & Tap Tempo Counter

Free online metronome and tap tempo tool. Keep perfect timing with customizable BPM, time signatures (2/4, 3/4, 4/4, 6/8), and visual flash pulses.

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Text to Speech (TTS) Natural Voice Reader

Convert written text into natural spoken audio voices instantly. In-browser client-side speech synthesizer with speed, pitch, and voice controls.

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Speech to Text (STT) Live Voice Dictation

Transcribe speech into written text in real-time. Free online voice dictation powered by browser speech recognition with instant copy & export.

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Audio Speed & Pitch Changer

Speed up or slow down audio songs, podcasts, and recordings in your browser. Adjust playback rate from 0.25x to 3.0x and download processed WAV audio.

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Audio Volume Booster & Normalizer

Boost quiet audio files up to 500% volume without distortion. Free in-browser sound amplifier and audio normalizer with zero file uploads.

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White Noise, Pink Noise & Sound Generator

Generate calming white noise, pink noise, and brown noise online for deep sleep, tinnitus masking, relaxation, and laser focus.

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