JSON to CSV Converter
Convert JSON arrays or objects to CSV with custom delimiters, header toggle, nested-key flattening, preview table, and one-click .csv download.
JSON to CSV Converter
Convert JSON arrays or objects to CSV with custom delimiters, header options, nested-key flattening, and instant preview.
Options
JSON Input
CSV Output
Accepted input shapes
Array of objects: [{"a":1},{"a":2}]
Wrapped: {"data":[{"a":1},{"a":2}]}
Single object: {"a":1,"b":2} → one row.
Frequently Asked Questions
What is the JSON to CSV Converter?
The JSON to CSV Converter is a free online tool that convert json arrays or objects to csv with custom delimiters, header toggle, nested-key flattening, preview table, and one-click .csv download.. It runs entirely in your browser with no installation or sign-up needed.
What JSON shapes are accepted?
An array of objects, an object wrapping an array under a "data" key, or a single object (converted to one row). Array items must be objects.
How are nested objects handled?
Enable Flatten nested objects to convert nested keys to dot notation (user.name). Disable to keep nested values as JSON strings inside a single cell.
How does quoting work?
Fields are wrapped in double quotes only when they contain the delimiter, a quote, or a newline. Inner quotes are doubled per RFC 4180. Toggle wrap-all to force quoting everywhere.
Is the JSON to CSV Converter free to use?
Yes, the JSON to CSV Converter is 100% free with no registration, no hidden fees, and no usage limits. All processing happens locally in your browser, ensuring complete privacy.
Is my data safe with this tool?
Absolutely. The JSON to CSV Converter processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the JSON to CSV Converter work on mobile devices?
Yes, the JSON to CSV Converter is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the JSON to CSV Converter in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
How do I use the JSON to CSV Converter?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The JSON to CSV Converter works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About JSON to CSV Converter
JSON to CSV Converter is a free, browser-based tool in our Converter Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.