Developer Tools
A collection of free online developer utilities. All processing is done locally in your browser - your data is never sent to any server.
JSON Formatter
Format and validate JSON data
JSON to CSV
Convert JSON to CSV format
HTML Encoder
Encode and decode HTML entities
URL Encoder
Encode and decode URL strings
Base64 Encoder
Encode and decode Base64 strings
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
UUID Generator
Generate random UUIDs
Regex Tester
Test and debug regular expressions
String Encoder
Escape, unescape and convert strings
Password Generator
Generate secure random passwords
CSS Minifier
Minify and beautify CSS code
JS Minifier
Minify and beautify JavaScript code
HTML Minifier
Minify and beautify HTML code
Cron Parser
Parse and validate cron expressions
SQL Formatter
Format and beautify SQL queries
QR Code Generator
Generate QR codes from text or URLs
Meta Tag Generator
Generate SEO meta tags for websites
HTML Entity Encoder
Encode/decode HTML entities
CSS Gradient Generator
Create beautiful CSS gradients
Box Shadow Generator
Generate CSS box shadows visually
Color Palette Generator
Generate harmonious color palettes
Font Preview
Preview text in different fonts
Border Radius Generator
Create CSS border-radius values