JSON Formatter

Pretty-print JSON with indentation and clear errors when the syntax is invalid.


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About


JSON Formatter formats minified or messy JSON into readable, indented output.

Paste JSON, click Run, then copy the result. Invalid JSON triggers an error toast so you can fix commas, braces, or quotes quickly. Nothing is uploaded.

Tip

Use Settings → Load examples for a ready-made object.

Please enable JavaScript.