JSON developer tools
Format, minify, validate, or convert JSON and CSV in the browser. Formatting uses JSON.parse and JSON.stringify — comments and trailing commas are errors.
Format, minify, and validate JSON; convert simple tables to and from CSV when the shape fits.
More in this category: JSON Formatter
JSON Formatter
Paste compact or messy JSON to pretty-print it with consistent indentation, check that it parses, or minify it back to one line.
JSON
JSON Validator
Check whether text is valid JSON and see the parser error if it is not.
JSON
JSON Minifier
Remove whitespace from valid JSON without changing the data.
JSON
JSON to CSV
Turn a JSON array of objects, such as an API response, into a CSV table you can open in a spreadsheet.
JSON
CSV to JSON
Convert a CSV export with a header row into a JSON array of objects, ready for code, fixtures, or APIs.
JSON
Related guides
- JSON Formatting and Validation: Complete Guide
- JSON vs JSON5: What's the Difference?
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