CSV to TSV Converter
Convert CSV (Comma-Separated Values) to TSV (Tab-Separated Values)
Input CSV Data
Paste your CSV code here...
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CSV to TSV Converter
This tool reads Comma-Separated Values (CSV) and rewrites each record using tab characters between fields. Commas that act as delimiters are swapped for the tab character (
\t
), while newlines continue to separate records. The result is Tab-Separated Values (TSV), a plain text format that many spreadsheet and database tools read without extra parsing.
Everything runs in your browser. Your CSV data stays on your device and is never sent to a server.
What CSV and TSV Actually Are
CSV stores tabular data as plain text. Fields sit on one line, separated by commas, and each new line starts a new record. The first line is usually the header row, which names each column.
TSV holds the same table structure but uses a tab between fields instead of a comma. Because tabs rarely appear inside real values, TSV avoids the quoting problems that commas cause. That makes it a steadier choice when your data contains prices, addresses, or sentences with commas in them.
How the Conversion Works
The converter parses your input line by line. It splits each record into fields, respecting quoted values so a comma inside quotes is treated as text, not a separator. It then joins those fields with tab characters and writes each record on its own line. The header row is preserved as the first line of output.
- Open the CSV to TSV Converter.
-
Paste your CSV into the input textarea, or upload a
.csvfile. - Read the TSV result in the output area.
- Click "Copy" to send it to your clipboard, or "Download" to save it as a file.
There is no upload step to a remote service and no queue. The output updates from the text you provide.
Why Convert CSV to TSV
Tabs sidestep the ambiguity that commas introduce. When a value already contains a comma, CSV must wrap it in quotes, and mismatched quotes break the whole file. TSV keeps columns clean because tab characters almost never show up inside normal data.
- Load data into tools that expect tab delimiters by default.
- Avoid quoting rules when fields contain commas.
- Paste columns straight into a spreadsheet without a text import wizard.
- Feed downstream scripts that split on tabs.
If you need a different target format, you can also send CSV to JSON or to an HTML table .
Convert CSV to TSV for Excel and Sheets
Spreadsheet programs treat tabs as column breaks. When you copy a range in Excel or Google Sheets, the clipboard already holds tab-separated text. Converting the other direction, CSV to TSV, gives you a string you can paste into a sheet and have it split across columns without opening an import dialog.
To convert CSV to TSV for Excel, generate the output here, copy it, then paste into a fresh sheet. Each tab becomes a column boundary. If you prefer a file, use "Download" and open the saved
.tsv
directly.
When to Use TSV Instead of Other Formats
TSV fits flat, table-shaped data with predictable columns. It is a poor fit for nested or hierarchical records, where JSON, XML, or YAML carry structure better. Reach for TSV when the data is a simple grid and you want a delimiter that does not collide with your values.
- Choose TSV for spreadsheet paste and tab-reading scripts.
- Choose JSON for nested objects and API-style data.
- Choose HTML when you want a rendered table on a page.
FAQ
It takes comma-separated data and rewrites it with tab characters between fields. The tool splits each line into fields, respecting quoted values, then joins them with tabs and keeps every record on its own line. The header row stays first. The output is TSV text you can copy or download.
No. The conversion runs in your browser using local JavaScript. Your CSV never leaves your device, so there is no upload and no server storage. This also means the tool keeps working on data you paste while offline once the page has loaded.
The parser reads quoted fields as single values, so a comma wrapped in quotes stays part of the text and is not treated as a separator. Only the commas that divide fields are replaced with tabs. This is one reason TSV is handy: a value with commas needs no quoting once it sits between tab characters.
Paste your CSV here, then copy the TSV output. Open a blank sheet in Excel and paste. Excel reads tab characters as column boundaries, so each field lands in its own cell without the text import wizard. If you would rather work from a file, click "Download" and open the saved TSV directly in the program.
Yes. You can upload a
.csv
file or paste text into the input area. Either way the tool reads the content in the browser and shows TSV in the output area. Uploading is convenient for larger files, while pasting suits a quick block you copied from somewhere else.
Yes. The first line of your CSV is treated as the header row and becomes the first line of the TSV output, with the column names now separated by tabs. The tool does not reorder or rename columns, so the structure you paste in is the structure you get back.
Both store a table as plain text with one record per line. CSV separates fields with commas and quotes any value that contains a comma. TSV separates fields with tab characters and rarely needs quoting because tabs seldom appear inside real values. This converter reads the comma structure and rewrites it with tabs, leaving your row and column layout intact.
Yes, use the reverse direction when you need commas again. A TSV to CSV step replaces tab delimiters with commas and adds quotes around any field that contains a comma, so the output stays valid. Pick whichever delimiter the receiving tool expects.
TSV suits flat tables with fixed columns and is read directly by spreadsheets. JSON suits nested or hierarchical records, where each row becomes an object with named keys. If your data is a plain grid, TSV keeps it compact. If it has structure inside cells, try the CSV to JSON converter instead.
The practical limit depends on your device memory and browser, since all parsing happens locally. Small and medium files convert without trouble. Very large files may slow the browser because the whole input is held in memory at once. If you hit a wall, split the CSV into smaller chunks and convert them in turn.
TSV uses the tab character as its only field separator, so a tab sitting inside a value can be ambiguous. This is uncommon in real data because most spreadsheet exports strip tabs from cells. If your values might hold tabs, check the output columns line up as expected before you rely on the file.