Convert TSV to CSV Online
Tab-separated value files are common outputs from bioinformatics software, database query tools, and certain data export pipelines. However, most data tools, spreadsheets, and APIs expect comma-separated CSV format. This converter changes the delimiter from tab to comma and adds the necessary quoting for any fields that contain commas, double quotes, or newlines — following the RFC 4180 standard for CSV. The result is a properly formatted CSV that opens correctly in Excel, Google Sheets, and any standard CSV parser. Paste your TSV content directly into the tool or upload a file, and download the converted CSV in seconds. The conversion runs entirely in your browser with no server upload required.
tsv input
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csv outputREADY
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FAQ
- Do I need to worry about fields containing tabs?
- If your TSV data contains tab characters within field values, this converter detects them and handles them safely in the CSV output by quoting those fields.
- Will the header row be preserved?
- Yes. The converter treats the first row the same as all other rows — it simply changes the delimiter, so headers are preserved intact.
- Can Excel open the resulting CSV directly?
- Yes. The output uses standard comma delimiters and RFC 4180 quoting that Excel, Google Sheets, and LibreOffice Calc all recognize correctly.