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TSV / CSV Converter

Convert between tab-separated (TSV) and comma-separated (CSV) values. Quoting, header row, custom delimiters. Runs in your browser.

Reference

TSV vs CSV

TSV uses tab characters between fields and is simpler — no quoting needed unless fields contain newlines or tabs. CSV uses commas, with quoting (typically ") for fields containing commas, quotes, or newlines. Spreadsheet apps like Excel are sensitive to delimiters in regional settings; the tool handles RFC 4180 quoting.

Format differences

  • TSV uses tabs and rarely needs quoting.
  • CSV uses commas with RFC 4180 quoting for fields containing commas, quotes, or newlines.

Common uses

  • Database imports — convert TSV exports to CSV.
  • Spreadsheet pasting — go between Sheets/Excel and code.
  • Locale switching — escape comma decimals by switching to TSV.
  • Pipeline conversion — adapt to a tool's required format.

Privacy

All conversion runs 100% in your browser. No data is sent to any server.

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