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CSV → TSV

Convert CSV to TSV.

Swap commas for tabs for tools and pipelines that expect tab-separated values. Header row and every field preserved — and it all happens on your own device.

Convert nowOr use the universal converter
Converts in your browserNo signupNever uploadedFree

How it works

  1. 01

    Choose your CSV

    Drop a file or pick one. It stays on your device — nothing is uploaded.

  2. 02

    Convert in your browser

    FileWhirl re-delimits your table to tabs locally, in milliseconds. No server, no queue.

  3. 03

    Download your TSV

    Grab the .tsv file, ready for whatever needs tabs.

Converts entirely in your browser — never uploaded

Header row and field values preserved

Instant, even for large tables

No watermark, no signup to try

Free and open-source parsing

Converting a lot of these?

FileWhirl Pro unlocks large files and unlimited batch — or convert them straight from your own code with the FileWhirl API.

See plans

Common questions

Does my file get uploaded?+

No. CSV to TSV runs entirely in your browser using local code — your file never leaves your device and never touches our servers.

What's the difference between CSV and TSV?+

Both are plain-text tables. CSV separates fields with commas; TSV uses tab characters, which avoids quoting issues when your data itself contains commas.

Will my columns and quotes survive?+

Yes — we parse the CSV properly (respecting quoted fields) and re-emit it tab-delimited, so the structure round-trips faithfully.

Related workflows

TSV to CSVCSV to JSONUniversal converter