Developer Tools

Free tools that run entirely in your browser. No sign-up, no uploads to servers.

JSON Formatter & Validator

Beautify, minify, and validate JSON with syntax highlighting and tree view.

Base64 Encoder/Decoder

Encode and decode Base64 with file upload support and auto-detection.

URL Encoder/Decoder

Encode and decode URL components quickly.

Color Picker

Pick colors and convert between HEX and RGB formats.

Markdown Editor

Write Markdown with live preview, toolbar, and export options.

PDF Merger

Merge multiple PDF files into one document. Runs in your browser.

Background Remover

Remove image backgrounds with AI. No upload — runs locally in your browser.