DATA · TSV / CSV
TSV ↔ CSV converter
Switch delimiters between TSV and CSV for import/export.
Convert tab-separated spreadsheet data and CSV without type inference. Choose a file and conversion starts automatically.
Local only · leading zeros preservedConversion rules
- Values stay as text; 001 remains 001.
- Quoted commas, tabs, newlines, and escaped quotes are parsed correctly.
- Safe export is on by default to reduce spreadsheet formula injection risk.
Frequently asked questions
How do I use it?
Paste content and choose TSV→CSV or the reverse.
Is anything uploaded?
Everything runs locally in your browser and is not uploaded.
How is this different?
CSV cleaner changes content; this only changes delimiters.