Free Developer Tools
Fast, free, and private. All tools run locally in your browser.
⭐ Popular Tools
JSON Formatter
Format, validate & beautify JSON
Base64 Encode/Decode
Encode or decode Base64 strings
URL Encoder/Decoder
Encode or decode URL strings
JWT Decoder
Decode & inspect JWT tokens
SQL Formatter
Format & beautify SQL queries
UUID Generator
Generate random UUIDs
Password Generator
Generate secure passwords
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
{ } JSON Tools
JSON Formatter
Format, validate & beautify JSON
JSON to YAML
Convert JSON to YAML format
JSON to CSV
Convert JSON arrays to CSV
JSON to XML
Convert JSON to XML format
JSON to TypeScript
Generate TypeScript interfaces from JSON
JSON Path Finder
Find and extract JSON paths
JSON Diff
Compare two JSON objects
🔐 Encoders & Decoders
Base64 Encode/Decode
Encode or decode Base64 strings
URL Encoder/Decoder
Encode or decode URL strings
HTML Encoder/Decoder
Encode or decode HTML entities
JWT Decoder
Decode & inspect JWT tokens
JWT Generator
Generate JWT tokens
Unicode Converter
Convert to/from Unicode
Image to Base64
Convert images to Base64 strings
String Escape/Unescape
Escape or unescape strings
✨ Formatters
SQL Formatter
Format & beautify SQL queries
XML Formatter
Format & beautify XML
HTML Formatter
Format & beautify HTML
CSS Formatter/Minifier
Format or minify CSS code
JavaScript Formatter
Format or minify JavaScript
Markdown Preview
Preview markdown in real-time
YAML Formatter
Format & beautify YAML
⚡ Generators
UUID Generator
Generate random UUIDs
Password Generator
Generate secure passwords
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
Lorem Ipsum Generator
Generate placeholder text
QR Code Generator
Generate QR codes instantly
Cron Expression Builder
Build cron expressions visually
Meta Tag Generator
Generate SEO meta tags
Slug Generator
Generate URL-friendly slugs
Random String Generator
Generate random strings
🔄 Converters
Timestamp Converter
Convert Unix timestamps
Color Converter
Convert HEX, RGB, HSL colors
Number Base Converter
Convert between number bases
Unit Converter
Convert units of measurement
Case Converter
Convert text case
CSV to JSON
Convert CSV to JSON
YAML to JSON
Convert YAML to JSON
XML to JSON
Convert XML to JSON