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JSON Formatter and Validator
Validate, pretty-print, minify and sort JSON with useful errors.
JSON is parsed locally and never executed.
- Runs on this device
- Use local files
- Paste or type input
Loading the local tool workspace…
Did this tool help?
A quick choice helps improve PipFoxy. Your input and results are never included.
About this tool
Inspect JSON safely with configurable indentation, recursive key sorting and object or array summaries.
Your content
JSON is parsed locally and never executed. Files stay on this device.
How to use JSON Formatter and Validator
- 1Paste JSON, upload a .json file or load the example.
- 2Choose validate, format, minify or sort keys.
- 3Copy or download the valid output.
Common uses
- Reading API responses
- Checking configuration files
- Preparing compact JSON
Limitations
- Comments and trailing commas are not valid JSON.
- Large deeply nested documents may take longer to display.
FAQs
Does this tool use eval?
No. It uses JSON.parse and treats the input only as data.
Can it show an error location?
When the browser provides a position, PipFoxy maps it to an approximate line and column.
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