Free CSV to TSV Converter
Convert comma-separated values to tab-separated values in one click.
Drop your CSV file here
or click to browse
How to convert
- 1
Upload your CSV file by dragging it onto the drop zone, or paste your CSV data into the text area.
- 2
Click the Convert button to generate TSV output.
- 3
The tab-separated result appears in the output area.
- 4
Copy the result to your clipboard or click Download to save the .tsv file.
Features
- 100% private — data never leaves your browser
- No file uploads to any server
- No signup or account required
- Free with no usage limits
- Clean tab-delimited output
- Preserves quoted fields correctly
- Full UTF-8 and special character support
- Works on any device with a modern browser
What is TSV?
TSV (Tab-Separated Values) is a text format where columns are separated by tab characters (\t) instead of commas. Because a tab almost never appears inside ordinary text data, TSV avoids the quoting and escaping rules CSV needs whenever a field itself contains a comma — a row like Smith, John,Manager, Sales stays unambiguous once the delimiter is a tab instead of a comma. This makes TSV the preferred export format in bioinformatics (gene and sequence data), computational linguistics corpora, and many Unix command-line tools (cut, awk, join) that split on whitespace by default.
When to convert?
Convert CSV to TSV when your data contains commas that conflict with the CSV delimiter, when pasting tabular data directly into a spreadsheet or terminal, when a bioinformatics or NLP tool's documentation specifically asks for tab-delimited input, or when a Unix pipeline downstream expects tab-separated fields instead of comma-separated ones.
Frequently asked questions
Is my data safe when converting CSV to TSV?
Yes. The conversion runs entirely in your browser. Your data is never sent to any server.
What is the difference between CSV and TSV?
CSV uses commas to separate values; TSV uses tab characters. TSV is often preferred when data contains commas, as it avoids the need for quoting.
When should I use TSV instead of CSV?
TSV is useful when your data contains commas, when pasting into spreadsheets, or when working with tools that expect tab-delimited input (e.g., some bioinformatics tools).
Does it handle quoted fields?
Yes. Fields that contain commas, newlines, or quotes in the original CSV are properly handled during the conversion to TSV.
What if my data already contains a tab character?
A literal tab inside a field would break TSV's own delimiter, so any tab characters in the source CSV are replaced with a space during conversion to keep the column structure intact.
Will TSV open correctly in Excel or Google Sheets?
Yes. Both Excel and Google Sheets detect tab-delimited files automatically on import, and pasting TSV content directly into a spreadsheet splits it into columns without any extra configuration.
Can I convert large CSV files to TSV?
Yes. Conversion runs locally in your browser rather than on a server, so there's no upload size limit — the practical ceiling is your device's available memory.
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