Developer Tools
Free developer tools for code editing and debugging including JSON formatter, HTML viewer, and regex tester.
Tools
18 toolsJSON Formatter
Format, minify, and validate JSON data with ease.
Hash Generator
Free online hash generator supporting MD5, SHA-1, SHA-256, and SHA-512 algorithms. Enter text and get...
HTML Entity Converter
Convert HTML special characters (, &, " etc.) to entity codes, or decode entities back...
Hash Identifier
Automatically identify the algorithm type of a hash value. Supports 30+ hash formats including MD5,...
Regex Tester
Test regex patterns in real-time with match highlighting, group display, and pattern explanation.
Markdown to HTML Converter
Convert Markdown to HTML in real-time. Full GFM support, syntax highlighting, and preview.
JS Minifier
Reduce JavaScript file size by removing unnecessary whitespace, line breaks, and comments. Features compression rate...
CSS Minifier
Remove unnecessary whitespace, comments, and line breaks from CSS code to reduce file size. Improve...
HTML Minifier
Remove unnecessary whitespace, line breaks, and comments from HTML code. Supports real-time minification with compression...
Color Contrast Checker
WCAG 2.1 compliant contrast ratio measurement tool. Real-time calculation of text and background color contrast...
Color Picker
Professional color picker with color wheel, saturation/brightness controls, HEX/RGB/HSL formats, EyeDropper API, harmony colors, and...
HTML Viewer
HTML Viewer helps you format and validate code data with clear input guidance, practical examples,...
JWT Decoder
Instantly decode JWT tokens and inspect headers, payloads, and signatures. Provides HMAC signature verification, expiration...
YAML โ JSON Converter
YAML โ JSON Converter helps you format and validate code data with clear input guidance,...
SQL Formatter
Format messy SQL queries into readable code with proper indentation. Supports 8 major databases including...
JS Beautifier
Format minified JavaScript code into readable format. Supports indent options and real-time conversion.
CSS Beautifier
Format minified CSS code into readable format. Real-time conversion, indent options, copy and download support.
HTML Beautifier
Format minified HTML code for readability. Real-time formatting with indentation options, copy and download support.