👨💻 Developer Tools
A set of focused utilities built for developers, data wranglers, and technical writers. Format JSON, encode URLs, convert Base64, and more — all from your browser.
No login. No data leaves your device. These tools help speed up debugging, testing, and everyday dev tasks.
JSON Formatter
Pretty-print and validate your JSON data instantly.
Base64 Encode/Decode
Convert text to and from Base64 encoding.
JSON ⇄ Single Line
Switch between compact single-line and readable JSON.
URL Encoder/Decoder
Encode or decode URLs quickly and safely.
Text Diff
Compare two blocks of text and highlight differences.