Tools
Free Online Tools for Developers & Learners
A curated collection of practical tools for developers, students, and creators. Format code, validate data, optimize files, and solve real problems instantly - without leaving your workflow.
Try It Editor
Write HTML, CSS, and JavaScript in a live browser editor and preview the result instantly.
JSON Formatter
Format, validate, and beautify your JSON instantly
CSS Minifier
Minify your CSS to reduce file size and improve performance
HTML Minifier
Minify your HTML to reduce size and improve load speed
Base64 Encoder / Decoder
Fast and reliable Base64 encoding and decoding tool
URL Encoder / Decoder
Fast and reliable URL encoding and decoding tool
UUID Generator
Create secure and random UUIDs in one click
Timestamp Converter
Convert timestamps to human-readable dates instantly
CSS Gradient Generator
Create modern gradients for your web projects
Box Shadow Generator
Generate box-shadow CSS from offsets, blur, spread, color, opacity, and inset settings.
Color Contrast Checker
Check contrast ratio between two colors and review WCAG AA and AAA accessibility results.