Data · FREE LOCAL TOOL
Format and validate JSON locally
Turn dense or inconsistent JSON into readable, two-space-indented output. Invalid input is stopped with a clear error instead of producing a misleading result.
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{ }
Data
Runs on this deviceJSON formatter
Validate and make JSON readable.
HOW TO USE IT
Three steps. No detour.
- 01
Paste a JSON object or array.
- 02
Run the formatter to validate its structure.
- 03
Copy or download the readable JSON result.