Free Online TSV to CSV Converter
TSV and CSV are nearly identical — only the delimiter differs. Many tools accept one but not the other. Our converter swaps tab delimiters for commas with proper handling of embedded commas, quotes, and line breaks per RFC 4180. Upload a .tsv or .txt file directly, or paste your data and pick from tab, pipe, semicolon, or any custom delimiter string.
Why This Conversion Is Needed
Excel, databases, and browser tables often output tab-delimited data. Google Sheets, CMS platforms, and email tools expect CSV. A naive find-and-replace breaks on values containing commas or quotes. Our tool handles these edge cases correctly and supports file upload for large datasets up to 500,000 characters.
Frequently Asked Questions
Can I use a custom delimiter?
Yes. Select "Custom…" from the delimiter dropdown and type any string — for example, "::" or "~". The tool will split fields on that exact string.
Can I upload a file instead of pasting?
Yes. Click "Upload File" below the input area to load a .tsv or .txt file from your device. Files up to 500,000 characters are supported.
Does this handle different line endings?
Yes. The tool normalizes Windows (CRLF), Unix (LF), and Mac (CR) line endings.