Developer Tools

Format, beautify, compare and transform JSON data

Validate JSON data and identify syntax errors with line/column position

Compare two texts side by side with line, word and character-level diffing

Convert text between camelCase, snake_case, kebab-case and more

Convert colors between HEX, RGB, HSL, CMYK and check WCAG contrast

Encode and decode Base64 strings with image data URL support

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes using Web Crypto API

Compress, resize and convert images in browser without uploading to server

Test and debug regular expressions with real-time matches, replace and common patterns

Encode and decode URL strings

Encode and decode HTML entities

Generate UUID v4 (random) and v7 (time-ordered) identifiers

Convert between Unix timestamps and human-readable dates in various formats

Convert numbers between decimal, hexadecimal, binary and octal systems

Generate strong random passwords with customizable options

Decode JSON Web Tokens and inspect header, payload and signature

Format and beautify SQL queries with multiple dialect support

Convert between YAML and JSON formats seamlessly

Minify JavaScript and CSS code to reduce file size

Write Markdown and preview the rendered HTML in real time

Generate and download QR codes from text or URLs

Convert between CSV and JSON formats for data processing

Calculate CIDR subnet information including network, broadcast, and host ranges

Visually generate CSS box-shadow styles with real-time preview

Convert between JSON and XML formats with schema preservation and pretty output

Query JSON data using JSONPath expressions and visualize results

Count words, characters, sentences, paragraphs and reading time in any text

Generate placeholder text in various lengths for design mockups

Reverse, flip, or mirror text with support for words, characters, and lines

Generate URL-friendly slugs from any text with customizable options

Create beautiful CSS gradients with visual editor and multiple color stops

Generate harmonious color palettes using color theory rules

Generate and verify bcrypt password hashes with adjustable cost factor

Encrypt and decrypt text using AES-256-CBC with password-based key derivation

Optimize and compress SVG files by removing unnecessary attributes

Convert images to Base64 data URIs for inline embedding

Break down and explain regular expression patterns token by token

Build regular expressions visually with a pattern builder and templates

Generate and validate cron expressions with a visual scheduler

Browse HTTP status codes with descriptions and common use cases

Parse and analyze user agent strings to identify browser, OS, and device

Write and preview HTML code in real-time with live rendering

Simulate how colors appear with various types of color vision deficiency

Send HTTP requests and inspect responses — a Postman-like tool in your browser