Tool Directory
Browse all available free online tools including JSON formatter, QR code generator, regex tester and more.
Favicon Generator
Generate website icons
File Size Converter
Convert between B/KB/MB/GB/TB file size units with decimal precision.
Random Decision Maker
Coin flip, random pick, and custom decision maker for fun choices.
Random Name Generator
Batch generate random names with different nationalities for test data and creative projects.
Color Contrast Checker
Check WCAG contrast ratio between two colors for web accessibility compliance.
Image Resizer
Resize images in browser with pixel or percentage scaling.
Data URI Generator
Convert files to Data URI format strings, supporting images/CSS/JS and more.
Base64 Encoder/Decoder
Encode and decode text with Base64, with live preview and one-click copy.
HTML Entity Converter
Convert HTML special characters to entity codes and back.
Robots.txt Generator
Visually configure crawler rules and generate standard robots.txt files.