Key capabilities
- Auto indentation
- Error location
- One-click copy
- Field statistics
JSON Formatter
Turn minified, messy, or hard-to-read JSON into a scannable hierarchy with error hints and field statistics.
Valid JSON
Validated locally in real time; data is never uploaded
JSON input
objectJSON
About JSON Formatter
Clean, validate, and prettify structured data. Turn minified, messy, or hard-to-read JSON into a scannable hierarchy with error hints and field statistics. The core workflow is designed to run in your current browser.
Useful for
- Inspect API responses during integration
- Organize JSON snippets from logs
- Validate whether config files can be parsed
Frequently asked questions
Is JSON Formatter free to use online?
Yes. JSON Formatter opens in a modern browser and does not require desktop software installation.
What is JSON Formatter useful for?
Common use cases include Inspect API responses during integration; Organize JSON snippets from logs.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include Auto indentation, Error location, One-click copy; account, comments, and anonymous analytics may still create normal site requests.
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