Convert CSV to XLSX
Drop your CSV files below — converted to XLSX Excel format instantly in your browser.
Drag & drop CSV files here
or click to browse
Converted Files
How It Works
1
Upload CSV
Drag and drop your CSV files or click to browse. We support any standard CSV format.
2
Convert with SheetJS
Your files are parsed and converted to XLSX format entirely in your browser using SheetJS — nothing leaves your device.
3
Download XLSX
Download your converted Excel files instantly. Supports batch conversion for multiple files.
Why Freecvt?
Lightning Fast
Convert in seconds, right in your browser.
100% Private
Your files never leave your device.
Completely Free
No signup, no limits, no watermarks.