How to use this tool
Paste JSON, then choose Format JSON for readable indentation or Minify JSON for compact output. Copy the result when ready.
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Developer
JSON formatter
Format, validate, and minify JSON in a click.
● Your files stay yoursCopy becomes available when a result is ready. Editing inputs or options clears the previous result.
Good to know
Only strict JSON is accepted: use double quotes and no trailing commas. Formatting changes whitespace only. Large numbers, duplicate keys, key order, number notation, and string escapes stay exactly as entered. Duplicate keys are preserved, but other applications may interpret them differently.