How do I convert CSV files?

Choose your CSV files or drop them on this page, pick a format (XLSX, JSON, TSV and ODS), then select Convert and save the results.

Is it safe to convert CSV files here?

Yes. Decant converts CSV files in your browser, so they’re never uploaded, stored or logged.

Yes. Add as many as you like and they convert together. Save each result on its own, or all of them as one ZIP.

.csv.xlsx

Convert CSV files to XLSX, JSON, TSV and more in your browser.

Drop files here

or paste them in. Whole folders work too.

CSV stores a table as plain text, one row per line with commas between values. Every spreadsheet and database can open it.

How do I convert CSV files?: Choose your CSV files or drop them on this page, pick a format (XLSX, JSON, TSV and ODS), then select Convert and save the results.
Is it safe to convert CSV files here?: Yes. Decant converts CSV files in your browser, so they’re never uploaded, stored or logged.
Can I convert many CSV files at once?: Yes. Add as many as you like and they convert together. Save each result on its own, or all of them as one ZIP.