Free TSV to CSV Converter
Convert tab-separated values back to a standard comma-separated CSV file.
Drop your TSV file here
or click to browse
How to convert
- 1
Upload your TSV file by dragging it onto the drop zone, or paste your tab-separated data into the text area.
- 2
Click the Convert button to generate CSV output.
- 3
The comma-separated result appears in the output area.
- 4
Copy the result to your clipboard or click Download to save the .csv 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
- Proper comma-escaping for fields containing commas
- Preserves original data encoding
- Full UTF-8 and special character support
- Works on any device with a modern browser
What is TSV to CSV conversion?
TSV (Tab-Separated Values) files use tab characters as column delimiters. Converting TSV to CSV replaces tabs with commas, creating a universally-compatible file format that works with every spreadsheet app, database tool, and data processing pipeline.
When to convert?
Convert TSV to CSV when you need to import tab-delimited data into tools that require CSV, when sharing data with colleagues who expect comma-separated format, or when preparing data for database imports.
Frequently asked questions
Is my data safe when converting TSV to CSV?
Yes. The conversion runs entirely in your browser. Your data is never uploaded to any server.
What if my TSV data contains commas?
Commas within data fields are handled correctly. The CSV output wraps such fields in quotes to preserve data integrity.
Does it preserve the original encoding?
Yes. The converter supports UTF-8 encoding and preserves special characters, accented characters, and emoji.
Can I convert large TSV files?
Yes. Since processing happens in your browser, there are no server-imposed limits. Very large files may take a moment depending on your device.
Working with CSV files on your Mac? Open them in Google Sheets with a double-click.
CSVtoSheets is a Mac app — double-click any CSV, XLS, or XLSX to open it in Google Sheets instantly.