CSV → Excel
CSV to Excel.
In your browser.
Raw CSV into a proper .xlsx workbook. Columns auto-detected. Locally. No upload.
Zero Upload 100% Local Auto-Detect Columns Free
how it works
Three steps. No uploads.
01
Drop your CSV
Comma, tab, pipe — we figure out the delimiter. Up to 10GB.
02
Pick XLSX
Headers as the first row. Numbers, dates, text typed correctly.
03
Download
A real .xlsx — open in Excel, Sheets, Numbers, anywhere.
Why local conversion matters
Other "free" CSV converters upload your file to a server. Yours doesn't. Customer exports, analytics dumps, log data — every row stays on your machine.
Convert a CSV now.
Free. No account. No upload.
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