🧾 JSON CONVERTER • 100% PRIVATE
JSON Converter — JSON to CSV and Back
API responses and object arrays into tidy, spreadsheet-ready CSV — with correct quoting, locally.
When an API hands you an array of objects, the fastest path to a spreadsheet is JSON to CSV. The converter collects the union of all object keys for the header row, escapes fields that contain commas or quotes, and keeps numbers as numbers. Paste the response, convert, and the CSV opens cleanly in Excel, Google Sheets or any BI tool — without the data leaving your machine.
Convert To…
How to use these converters
- Paste a JSON array of objects (an object inside an array works best).
- Click Convert — the header row is built from the union of all keys.
- Download the CSV — it opens correctly in Excel and Google Sheets.
FAQ
- What if my objects have different keys? The header row is the union of every key seen; missing values become empty cells.
- Is my JSON uploaded? No — everything is parsed and written locally in your browser.
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100% PrivateEverything runs in your browser. Your data never touches a server.
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Instant & FreeNo signup, no paywall, no limits. Fast on any device.
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Questions?Read our About page or contact us — we reply within 24 hours.