CSV to JSON Converter

Turn spreadsheet exports into JSON for apps and APIs, or flatten JSON into CSV you can open in Excel or Google Sheets.

How to use the CSV to JSON Converter

  1. Type or paste your text into the box on the left.
  2. Adjust the options above if you need to. The result updates as you type.
  3. Click Copy result or Download to use your result.

What you can use it for

  • Prepare spreadsheet data for APIs and apps
  • Open JSON data in Excel
  • Convert semicolon CSV from European systems

Private by design

The CSV to JSON Converter runs entirely in your browser. Your text and files are never uploaded or stored on a server, so it is safe for work documents and personal information. It is free, with no sign-up and no limits on how often you use it.

Frequently asked questions

Does it handle commas inside quotes?

Yes. Quoted fields with commas, quotes and line breaks are parsed correctly.

Will numbers stay numbers?

Yes, with "Convert numbers and true/false" ticked. Values with leading zeros stay as text.

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