How to Convert JSON to CSV (Free, No Upload)
A quick guide to converting a JSON array into a clean CSV file you can open in Excel or Google Sheets — with proper escaping and no data upload.
Need to turn a JSON API response or export into a spreadsheet? Converting JSON to CSV is one of the most common data chores, and you can do it in seconds without installing anything or uploading your data anywhere.
The quickest way
Use the free JSON to CSV Converter:
Paste your JSON — it should be an array of objects, like:
[ { "name": "Ada", "role": "Engineer", "city": "London" }, { "name": "Alan", "role": "Researcher", "city": "Manchester" } ]The tool reads the object keys as your column headers and each object becomes a row.
Copy or download the CSV — ready to open in Excel, Google Sheets or Numbers.
Everything happens in your browser, so even sensitive data stays on your machine.
What about tricky values?
Good converters handle the edge cases for you:
- Commas inside a value are wrapped in quotes so they don't break the columns.
- Quotes and newlines are escaped correctly.
- Nested objects are flattened or stringified depending on the tool.
Going the other way
Need the reverse? Use the CSV to JSON Converter, which detects numbers and booleans automatically. And if your data lives in a spreadsheet, try Excel to JSON or JSON to Excel.
Tip: validate first
If your JSON won't convert, it's usually a syntax error. Paste it into the JSON Formatter & Validator first — it points to the exact line and character of the problem.
That's it. No sign-up, no watermark, no upload — just paste and convert.