CSV to JSON

Convert CSV or TSV into JSON arrays of objects with auto delimiter detection — private and in-browser.

100% In-Browser & Private — your data never leaves this device

PeachTools Pro

Batch processing, unlimited files, ad-free.

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How to use CSV to JSON

  1. Paste CSV/TSV or drop a spreadsheet export.
  2. Choose Auto, CSV, TSV, or another delimiter.
  3. Toggle Pretty or Compact JSON output.
  4. Copy or download the converted JSON.

FAQ

Is my spreadsheet uploaded?
No. Parsing runs entirely in your browser with Papa Parse.
Is there a row limit?
The free tier converts up to 2,000 rows per file. PeachTools Pro removes that limit.

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