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Convert TSV to CSV

Convert spreadsheets and tables from TSV to CSV. Dates, numbers and text are recognised and carried over to the new format.

Drop your files hereor (TSV and over 40 other formats). You can also paste an image.No upload: everything happens on your device

How to convert TSV to CSV

  1. Add your TSV files

    Drag one or more TSV files onto the dashed area, or tap it to pick them from your device.

  2. Choose CSV and the options

    CSV is already selected; for CSV you can choose the separator.

  3. Convert and download

    Press “Convert to CSV”. When it’s done, download the files one by one or all together in a ZIP archive.

Good to know. If your Excel uses the comma as decimal separator (as in Italian, Spanish or French), choose the semicolon as separator in the options.

TSV and CSV compared

Source format

TSV

Tab-Separated Values

Like CSV but with a tab instead of the comma, so numbers with decimal commas aren’t ambiguous. Pasted into Excel, it spreads across the columns automatically.

Best for
Copying tables between programs, scientific data.
Limits
Less well known than CSV to some services.
Type
plain-text table
Multiple sheets
no
Separator
tab
Extensions
.tsv .tab
All about the TSV format

Target format

CSV

Comma-Separated Values

A table written as text: one line per record, values separated by commas (or semicolons, as Excel expects in countries that use the decimal comma). It’s the universal format for importing and exporting data.

Best for
Importing contacts, price lists and orders into business software, online shops and databases.
Limits
No formatting or formulas; decimal commas need care.
Type
plain-text table
Multiple sheets
no
Separator
comma or semicolon
Extensions
.csv
All about the CSV format

Questions about TSV and CSV

What happens to multiple sheets?

Formats with several sheets (XLSX, ODS, HTML, PDF) keep them all; CSV and TSV hold only one: in the options you can choose to convert the first sheet or create one file per sheet.

Are my TSV files uploaded to a server?

No. The conversion from TSV to CSV happens entirely in your browser, using your device’s computing power. Files aren’t sent or stored anywhere: when you close the page they’re gone from memory too.

How many files can I convert at once?

Up to 100 files at a time. There’s no fixed size limit: it depends on your device’s memory. On smartphones it’s best to work in smaller batches with heavy files such as videos.

Does it work on iPhone and Android?

Yes, with up-to-date Safari, Chrome, Firefox, Edge and Samsung Internet. On phones, converted files end up in the Downloads folder or the Files app.

Do I need an internet connection?

Only to open the page (and, the first time, to download the components needed for that type of file). After that the conversion keeps working even if the connection drops.

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