Free developer tools
Your go-to source for mastering software development and development tools
Developer tools
Quick, single-purpose tools built for real-world data.
JSON Formatter & Beautifier
Format, validate and minify JSON. Unescape nested JSON from logs and search it by path.
Open tool →URL Decoder & Encoder
Decode and encode URLs and query strings. Unravel double-encoded links and see every parameter decoded.
Open tool →JSON Diff
Compare two JSON documents node by node, ignoring key and array order, with differences highlighted side by side.
Open tool →Text Diff
Compare two texts or files line by line, with changed words, whitespace and line endings highlighted side by side.
Open tool →Practical, no-nonsense tools for everyday engineering work. Paste, format, inspect and move on. Free, fast, and private: everything runs right in your browser.