TSV (Tab-Separated Values) and CSV (Comma-Separated Values) are built for different jobs. TSV is typically used for data pipelines, while CSV is best for data import/export. Converting lets you open, share or upload your files wherever CSV is expected.
How to use the TSV to CSV converter
- Add your TSV filesClick “Choose Files” or drag and drop them into the box. You can add many files at once — or paste a file with Ctrl+V.
- Choose CSV and adjust settingsCSV is selected automatically. Optionally open Settings to change output options.
- Convert and downloadPress “Convert”. Your CSV files appear instantly — download them one by one or all together as a ZIP.
TSV vs CSV
TSV Tab-Separated Values
TSV is like CSV but uses tabs between values, which avoids problems with commas inside data.
- Compression
- Plain text
- Features
- Single table
- Origin
- 1990s
- Best for
- Data pipelines
CSV Comma-Separated Values
CSV stores a single table as plain text with commas between values. Every database, CRM and spreadsheet can import it.
- Compression
- Plain text
- Features
- Single table
- Origin
- 1972
- Best for
- Data import/export
Why use ConvertMathly?
Files are processed on your device and never uploaded. Close the tab and they are gone.
No account, no daily cap, no queue and no watermark — convert as much as you want.
No waiting for uploads or downloads: results are ready as fast as your device can process them.
Windows, Mac, Linux, Chromebook, iPhone and Android — any modern browser, nothing to install.
Frequently asked questions
How do I convert TSV to CSV?
Add your TSV files above, make sure CSV is selected and press Convert. The CSV files are ready to download a few seconds later — no installation or account required.
Is there a file size or daily limit?
No. Since everything runs locally, there are no daily caps, queues or file size limits beyond what your device can handle.
Are my TSV files uploaded to a server?
No. ConvertMathly converts files entirely inside your web browser using JavaScript and WebAssembly. Your files never leave your computer or phone, which makes it safe for private photos and documents.
Can I convert multiple TSV files at once?
Yes — add as many files as you like. They are converted one after another and you can download everything in a single ZIP.