Free online tool

CSV to JSON

Convert a CSV with a header row into an array of JSON objects.

Browser-basedFree

Your workspace

On-device processing

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Your files and text are processed in this browser. They are not uploaded to our server. Closing or refreshing the page clears your work.

How to use this tool

  1. Enter your content or adjust the generator settings.
  2. Choose the available options, then select Run tool.
  3. Review the result and download or copy it. Keep your original.

Before you start

UTF-8 CSV with a unique, non-empty header row; comma, semicolon or tab delimiter. All CSV values remain strings. Maximum 10,000 rows and 200 columns.

Quick answers

Does this tool send my input to a server?

No. Your input is processed in this browser. Download the result before closing the page; your workspace is not saved to an account.

What should I check before using the result?

Keep the original. Check the output’s content, layout, quality and format before sharing it or using it for important work. Review the limitations above for details.

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