Essential developer utilities, all in one place
Base64
Encode and decode Base64 strings
URL Encoder
Encode and decode URL components
JWT Reader
Decode and inspect JWT tokens
JSON Formatter
Prettify and minify JSON with indentation control
JSON Validator
Validate JSON and get detailed error messages
YAML ↔ JSON
Convert between YAML and JSON formats
XML Formatter
Format and minify XML documents
HTML Entities
Encode and decode HTML entities
Unicode Escape
Escape and unescape Unicode characters
UUID Generator
Generate unique identifiers (UUID v4)
Password Generator
Generate strong, random passwords
Fake Data
Generate realistic fake data for testing
Slug Generator
Convert text to URL-friendly slugs
Hash Generator
Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes
QR Generator
Generate QR codes from any text or URL
Color Palette
Generate analogous, triadic and complementary palettes
JSON Minify
Minify and prettify JSON documents
JS Minify
Minify JavaScript source code
CSS Minify
Minify and compress CSS stylesheets
Markdown Preview
Live preview with GitHub Flavored Markdown