TTTinyOfficeToolsFree tools for work and creators

Developer / 5 min read

How to Convert JSON to CSV Online

Learn how to convert a JSON array of objects into CSV text that can be opened in spreadsheets.

CSV is still useful for sharing data

JSON is common in APIs and developer tools, but many people still work in spreadsheets. Converting JSON to CSV makes it easier to review records, share simple exports, or paste data into a spreadsheet.

The cleanest conversion happens when your JSON is an array of flat objects, where each object has similar keys.

Use the right JSON shape

If the JSON contains deeply nested objects or arrays, a simple converter may not know how you want those fields represented. For quick browser conversion, start with flat records whenever possible.

  • Best: an array of objects with text, numbers, or boolean values.
  • Good: records with mostly the same keys.
  • Harder: deeply nested API responses that need custom flattening.

Validate before converting

If conversion fails, paste the JSON into a formatter first. A missing comma, trailing comma, or unquoted key can stop conversion before the CSV is created.

TinyOfficeTools uses Google Analytics to understand aggregate site traffic and improve the tools. You can allow or decline analytics cookies.