CSV to Excel
Convert CSV files to Excel format
🔒 Client-side (Private)📦 Max 30MB
Input (CSV)
Paste your CSV data here
0 characters
About This Converter
How to convert CSV to XLSX
- Click "Choose File" or drag and drop your CSV file
- Wait for the file to upload and validate
- Click the "Convert" button to start the conversion
- Download your converted XLSX file
🔒 Privacy & Security
This conversion happens entirely in your browser. Your files never leave your device, ensuring complete privacy and security. No upload, no server processing, no data storage.
Features
- ✓ Free and unlimited conversions
- ✓ No registration required
- ✓ Fast conversion speed
- ✓ High-quality output
- ✓ Complete privacy - files stay on your device
FAQ
Specifics for this converter
Which CSV encoding should I use?
Prefer UTF‑8. If you see mojibake, re‑save the source file in UTF‑8 and try again.
Can I set the delimiter?
Yes. Specify the delimiter before converting.
How are large files handled?
Very large CSVs may process slower and use more browser memory.
Is conversion local?
Yes, everything runs client‑side.