Use this free JSON Formatter to instantly beautify, minify and validate any JSON. Paste your code below — everything runs in your browser, nothing is sent to any server.
Free Dev Tools
JSON Formatter
& Validator
Paste your JSON below — instantly beautify, minify, and validate. 100% client-side, nothing leaves your browser.
Try a sample:
Input
Output
Formatted output will appear here…
100% Private
Nothing is sent to any server. All processing happens in your browser.
Instant
Real-time formatting as you type. No button needed for live validation.
Error Detection
Pinpoints exact line and character of syntax errors.
Copy & Download
Copy to clipboard or download the formatted file directly.
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