JSON Formatter & Validator
Beautify, minify, validate — and diff two JSON payloads side by side. Runs entirely in your browser.
Runs in your browser Beautify & minify Diff two payloads
What it does
Beautify
Pretty-print JSON with clean 2-space indentation for easy reading and code review.
Minify
Strip whitespace to make payloads smaller for production APIs and config files.
Diff
Compare two JSON payloads and see exactly what was added, removed, or changed — by path.
Frequently Asked Questions
Quick answers about the JSON formatter.
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