Why would I convert a CSV file to TSV format?

TSV (Tab-Separated Values) is preferred in many bioinformatics, data science, and database import workflows because it avoids ambiguity when data contains commas. TSV is also the native export/import format for many UNIX tools like awk, cut, and PostgreSQL's COPY command.

How do I convert a CSV file to TSV format online?

Upload your CSV file above. The converter parses the file using RFC 4180 rules, replaces every comma delimiter with a tab character, and produces a clean .tsv output file — ready to download instantly with no login required.

How does the CSV to TSV converter handle commas inside quoted cell values?

Commas inside quoted values (e.g. "New York, NY") are not treated as delimiters — they are passed through as literal comma characters in the TSV output, which is the correct behaviour since TSV uses tabs as delimiters instead.

What applications and tools use TSV format?

TSV files are used by PostgreSQL COPY, MySQL LOAD DATA INFILE with tab delimiters, R (read.delim()), Python pandas (sep='\t'), UCSC Genome Browser data tracks, and many Unix command-line data processing tools. Excel and Google Sheets also open TSV files without issue.

Is the CSV to TSV converter free and private?

Yes — free, no account required, and your file never leaves your browser.

CSV → TSV

CSV to TSV Converter

Convert CSV files to tab-separated values (TSV) format. Free, no upload required.

Your files are processed locally and never uploaded to our servers.

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How it works

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Frequently Asked Questions

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