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CSV to JSON

Convert CSV data to JSON format. Support for headers and nested objects.

Local processingNo sign-up needed
Your files are processed locally in your browser and never uploaded to a server.

How it works

  1. 1Paste or upload your CSV data
  2. 2Select separator and header options
  3. 3Data is converted in your browser
  4. 4Download the JSON file

FAQ

Can I convert large CSV files?

Yes, but very large files may be slow. For best results, keep files under 1MB.

What if my CSV doesn't have headers?

Disable the 'Has Headers' option and the tool will generate generic column names (col1, col2, etc.).

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