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Spreadsheets & data

Convert CSV to JSON Online

Convert CSV to JSON online for free — fast, private, no sign-up.

  • Free
  • No sign-up
  • Files stay on your device
Drop your file hereTap to choose a fileCSV · or paste with ⌘V
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How it works

  1. 01

    Choose or drop your file — or paste with Ctrl+V.

  2. 02

    We convert it to JSON in seconds.

  3. 03

    Download the result or continue with another tool.

  • Private: works in your browser
  • No sign-up, no watermark
  • Works on phone and desktop
  • Free with generous limits

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About: CSV to JSON

CSV is a plain-text table: values separated by commas or semicolons.

JSON is the standard data format for APIs and web applications.

This tool is part of the “Data conversion” section in Spreadsheets & data. You can chain it with other X2TOOL tools: after processing, continue with the same file without downloading it.

This tool runs entirely in your browser: nothing is uploaded, so it is fast and fully private. It works on Windows, Mac, Android and iPhone — nothing to install.

FAQ

The essentials in brief. Didn’t find an answer? Use the feedback form under the tool.

How do I use CSV to JSON?

Choose or drop your file — or paste with Ctrl+V. We convert it to JSON in seconds. Download the result or continue with another tool.

Is CSV to JSON free?

Yes. The tool is free with generous daily limits and no sign-up.

Are my files safe?

Yes. Processing happens in your browser — files are never uploaded to our servers.

Does it work on a phone?

Yes, in any modern browser on iPhone, Android, Windows, Mac and Linux.

Do I need to install anything?

No. Everything works online in your browser.

Privacy

Processing happens in your browser — files are not sent to a server. Privacy policy

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