CSV ↔ Excel Converter
Download Excel from CSV, or load an .xlsx file and get CSV text back. Spreadsheet conversion stays on your device.
100% private Instant processing Free forever
How it works
1
Paste CSV or load an Excel file
2
Click Run to download .xlsx (or edit CSV)
3
Use Load file for Excel → CSV
FAQ
Is CSV to Excel Converter free?+
Yes. wikawe data tools are free to use with no account required.
Is my data uploaded to a server?+
No. All formatting and conversion runs entirely in your browser — nothing is sent to our servers.
Do I need to install software?+
No. Open the tool in your browser, paste your data, and run — it works on desktop and mobile.
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