Convert tabular text between comma-separated and tab-separated formats. Processing stays local in your browser.
Add a table and check that every quoted field is closed.
A table copied from a spreadsheet often uses tabs, while another importer expects commas or receives a semicolon-separated regional export. The CSV and TSV converter changes those boundaries without interpreting amounts or identifiers. It works in both directions and returns tabular text for copying or export. Records and cells stay associated even when a quoted value contains a delimiter. This is not a workbook converter: it does not process Excel sheets, formatting or calculation formulas. It changes the representation of textual fields rather than the business information inside them.
For CSV to TSV, the source delimiter is detected from commas, semicolons, tabs and vertical bars using the first logical record. Output uses a tab between cells. For TSV to CSV, reading explicitly uses tabs and output always uses commas. This page offers no alternative destination CSV delimiter. If a receiving application requires semicolons, use a suitable export route rather than merely renaming the extension of a comma-separated file. File extensions describe formats but do not change field boundaries.
No record is treated specially as a header. Every record is converted in its original order, including files without headings and files with repeated heading names. Values remain strings, retaining leading zeros, spaces and decimal punctuation. Reading recognises quoted fields, doubled quotation marks and quoted line breaks. The serializer adds quotation marks when the destination delimiter requires them. That quoting convention supports complex TSV values, but some specialised TSV readers do not implement the same rules, so compatibility must be checked with the receiving software.
A leading UTF-8 BOM is removed, and newly written record separators use LF line endings. The precise use of quotation marks may therefore change without changing the cells. An unclosed quote prevents conversion and produces an error message. Equal record widths are not validated here; use CSV validation when that constraint matters. The import button accepts files up to 5 MiB and reads UTF-8 text. There is no Windows-1252 or UTF-16 encoding selector, nor a streaming mode intended for very large files.
Paste data or import a CSV or TSV within the displayed limit. Inspect the first record because it determines source-delimiter detection in the CSV-to-TSV direction, especially in unusual one-column-looking files.
Select CSV to TSV for tabs or TSV to CSV for commas. This choice also controls download extension and media type. Changing a filename extension alone does not convert the delimiters or quoted fields.
Run conversion and check quoted values, decimal punctuation and multiline cells, then copy or export the result. Try a small output in the destination application before replacing an established import process.
Turn semicolon-separated CSV into tab-separated text so pasted values occupy separate columns. Check the spreadsheet application's own automatic type-conversion settings before assuming identifiers will remain textual after insertion.
Convert tabular text into comma-separated CSV when that exact delimiter is expected. Commas already inside values are protected through quoting rather than treated as new column boundaries.
Change an export's delimiters without turning references containing leading zeros into numbers. The generated file preserves those references, although software opening it afterwards may apply its own interpretation.
CSV-to-TSV conversion separates the three columns with tabs. The semicolon in Box; garden remains part of the description and the decimal point remains in 12.50. The amount is not calculated, reformatted or converted to another currency.
Input
id;description;price
A;"Box; garden";12.50Result
id description price
A Box; garden 12.50For TSV to CSV, the note already contains a comma. The engine surrounds it with quotation marks so it does not create a third column. The resulting file still contains two fields per record despite that internal comma.
Input
id note
1 Hello, worldResult
id,note
1,"Hello, world"No. Cells are treated as text while field serialisation changes. Identifiers and dates retain their spelling. Automatic conversion performed afterwards by Excel or another receiving application is behaviour of that other software, not part of this operation.
This interface writes commas in the TSV-to-CSV direction and offers no destination-delimiter selector. Use an export configured for semicolons when the receiving system requires that particular convention instead of ordinary comma-separated fields.
They are recalculated for the destination delimiter and each cell's characters. A comma-containing field needs quotes in comma-separated CSV, whereas that comma alone does not require quotes in tab-separated output. The cell value itself remains the same.
No. This engine uses CSV-like quoted-field rules with a tab delimiter. Check support for quotation marks and multiline values in the chosen importer instead of assuming every TSV reader accepts exactly the same conventions.
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