Developer Tools for Productivity
Fast, reliable, and free developer tools. Encode/decode Base64, format/validate JSON, and more. All in your browser.
Our Tools
Essential developer tools packed with features
Base64 Encoder
Encode and decode Base64 strings with support for URL-safe mode. Fast, accurate, and easy to use.
- Encode text to Base64
- Decode Base64 to text
- URL-safe Base64 option
- Live conversion
- Copy & download
JSON Editor
Format, minify, and validate JSON with syntax highlighting. Built with Monaco editor.
- Format JSON
- Minify JSON
- Validate JSON
- Syntax highlighting
- Tree viewer
JSON Diff Tool
Compare two JSON objects visually and see the differences side by side.
- Compare two JSONs
- Visual diff highlighting
- Added/removed/changed
- Upload JSON files
- Copy & download
API Client
Send HTTP requests, test endpoints, and inspect responses. Supports all methods and custom headers.
- All HTTP methods
- Custom headers
- Request body editor
- Response viewer
- Request history
Frequently Asked Questions
Got questions? We have answers.