RHD Studio ToolsFree Online CSV to XLSX Converter
Convert CSV files to Excel workbooks. The delimiter is detected automatically, and numbers are stored as numbers.
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How to use the csv to xlsx converter
- Drop your file onto the upload area or click to browse.
- Adjust the options if you need to.
- Run the tool and download the result. The page lists the new file size.
Good to know
Creates a single unformatted sheet. Very large files are limited by your device’s memory and Excel’s row limit.
Common uses
- Move data between apps and formats.
- Clean up text and data for scripts or spreadsheets.
- Convert quickly without installing software.
Frequently asked questions
Are my files uploaded to a server?
No. This tool runs in your browser and your file is not sent to our server or stored. Ads or analytics, when enabled, may make their own network requests; see our Privacy Policy.
What are the limits of the csv to xlsx converter?
Creates a single unformatted sheet. Very large files are limited by your device’s memory and Excel’s row limit.
Is the csv to xlsx converter free?
Yes. It is free, needs no account and has no watermark.