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Data · Free tool

CSV to JSON

Upload CSV or TSV and convert rows to JSON with a preview and type inference.

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About this csv to json

Turn delimited table data into structured JSON with delimiter controls, a preview, and optional value-type inference.

How to use it

  1. Paste or upload CSV or TSV data.
  2. Review delimiter and conversion options.
  3. Convert and download the JSON output.

Common uses

  • Prepare spreadsheet data for an API
  • Convert a data export
  • Create JSON fixtures

Common questions

Does it support TSV files?

Yes. You can convert tab-separated data as well as comma-separated data.

Can it recognize numbers and booleans?

Yes. Type inference can convert suitable text values into JSON numbers, booleans, and nulls.