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Convert CSV to TSV

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

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

How to convert CSV to TSV

  1. Add your CSV files

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

  2. Choose TSV and the options

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

  3. Convert and download

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

Good to know. Formulas are converted to their last calculated value.

CSV and TSV compared

Source 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

Target 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

Questions about CSV and TSV

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 CSV files uploaded to a server?

No. The conversion from CSV to TSV 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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