JSON Formatter
Format, validate, and inspect JSON in your browser.
Useful tools for everyday technical work.
8 tools
Format, validate, and inspect JSON in your browser.
Check JSON syntax and report parsing errors.
Turn a JSON object into encoded URL parameters.
Build a quoted GET or HEAD request for an HTTP URL.
Explore JSON paths, nested fields, nulls, and payload structure.
Inspect pasted caching, compression, CORS, and security headers.
Check whether provided origin, methods, headers, and credentials align.
Decode URL query parameters while preserving repeated keys.