YOUR TEXT, IN FOCUS
Free · No accountFormat JSON.
Validate JSON syntax, add readable indentation, or remove unnecessary whitespace.
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01 — How to use it
Give structured data some space.
- Paste valid JSON.
- Choose readable formatting or minification.
- Apply and copy the result.
02 — A few useful details
Formatting preserves numeric literals, key order, and duplicate keys. It does not validate a schema. Comments, trailing commas, and JavaScript object literals are not valid JSON.
Use UTF-8 plain text, up to 1 MB and 20,000 lines per input.