Developer Tools Tools
Free developer utilities. Color picker, UUID generator, password generator, diff checker, and more.
Color Picker
Advanced color picker with HEX, RGB, HSL, and CMYK support. Generate palettes, convert between forma...
UUID Generator
Generate UUID v4 random identifiers. Choose format options, generate multiple at once, and copy to c...
Password Generator
Generate cryptographically secure passwords with customizable length and character sets. Includes pa...
Diff Checker
Compare two blocks of text and see the differences highlighted. Side-by-side and inline diff views a...
URL Encoder / Decoder
Encode special characters for URLs or decode encoded URL strings. Supports full URLs and individual ...
JWT Decoder
Decode and inspect JWT (JSON Web Token) payloads. View header and payload data, verify signature for...
Cron Builder
Create cron expressions with a visual builder. Get human-readable descriptions of what your cron sch...
QR Code Generator
Generate QR codes for URLs, text, contact info, WiFi credentials, and more. Customize size and error...