● On-device utilities

JSON Tools

Validate, format and minify JSON. Everything runs in your browser, without uploading your text.

Input JSON

Maximum 3 MB

Paste your JSON document

Result

Editable-free output

Your result appears here.

The converter preserves JSON values, but formatted whitespace changes. JavaScript's JSON parser may lose precision for very large numeric literals. Avoid editing financial identifiers or high-precision integers as JSON numbers.