JSON Formatter
Format readable JSON without sending the document to a server.
How to use this tool
- Paste JSON or load a local file, choose indentation, then format it.
- Review the live result and use Copy result when you need to share it.
How the transformation works
JSON.parse checks syntax and JSON.stringify creates deterministic whitespace. Processing runs entirely in this browser. The page does not upload, persist, execute or remotely inspect the supplied content.
Processing rules
JSON.parse checks syntax and JSON.stringify creates deterministic whitespace. Processing runs entirely in this browser. The page does not upload, persist, execute or remotely inspect the supplied content.
Step-by-step transformation
- Paste JSON or load a local file, choose indentation, then format it.
- JSON.parse checks syntax and JSON.stringify creates deterministic whitespace. Processing runs entirely in this browser. The page does not upload, persist, execute or remotely inspect the supplied content.
- Check the displayed result, then copy it if needed.
Worked example
A nested services object is formatted while array order remains unchanged.
Risk guidance
Frequently asked questions
Does this tool send my inputs anywhere?
No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.
How should I use the result?
Check that the entered units and values match your situation, especially around dates, breaks, and rounding.
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