CSV to Excel
Convert a CSV file to an Excel spreadsheet — free.
Turn a raw CSV file into a real Excel spreadsheet (.xlsx) — with the data split into proper columns you can sort, filter, and format, and numbers stored as real numbers. It's free with no sign-up, and it runs entirely in your browser, so your file is never uploaded.
Drop a CSV file, or click to browse
Converts to Excel (.xlsx) in your browser — nothing is uploaded.
Free, no sign-up. Runs entirely in your browser — your file is never uploaded.
Runs entirely in your browser — nothing is uploaded.
How to use the csv to excel
- 1Drop or choose your CSV file.
- 2It converts to Excel automatically.
- 3Download the .xlsx spreadsheet.
Frequently asked questions
Is it really free with no sign-up?
Yes — the conversion happens right in your browser, so it's completely free with no account and no watermark.
Are my files uploaded?
No — your CSV is read and converted locally in your browser and never leaves your device.
Why convert CSV to XLSX?
CSV is just plain text; XLSX is a full Excel workbook with typed cells. Converting stores numbers as numbers and makes the data easier to sort, filter, and format in Excel.