Tools
Developer utilities & practical tools. No signup, no tracking — everything runs in your browser.
Developer Tools
JSON Formatter
Format, validate & minify JSON
Base64
Encode & decode Base64
URL Encoder
Encode & decode URLs
UUID Generator
Generate UUIDs v4
Hash Generator
SHA-256, SHA-512, SHA-1
Regex Tester
Test regular expressions
Timestamp
Unix timestamp converter
Color Converter
HEX, RGB, HSL conversion
JWT Decoder
Decode JWT tokens
Diff Viewer
Compare two texts
HTML Entities
Encode & decode HTML entities
Lorem Ipsum
Generate placeholder text
Number Base
Binary, octal, decimal, hex
Text Counter
Characters, words, lines
Markdown Preview
Live Markdown to HTML preview
QR Code Generator
Text or URL to QR code