7 tools
Developer Tools
Browser-based utilities to encode, decode, format, and transform data. No data leaves your machine.
📱
QR Code Generator
Generate customizable QR codes for URLs, WiFi, contacts, and more with live preview.
🔑
Password Generator
Generate cryptographically secure passwords and passphrases with strength analysis.
🔐
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back to text.
🔍
Regex Tester
Test regular expressions with live match highlighting and detailed match info.
🎨
Color Picker
Pick colors and get HEX, RGB, HSL values. Check WCAG contrast ratios.
🆔
UUID Generator
Generate cryptographically random UUID v4 identifiers in bulk.
📋
Diff Viewer
Compare two blocks of text and highlight the differences.