PDF PremCSV to XLS Converter – Convert CSV to Excel Online Free
Turn any CSV file into a genuine Excel .xls spreadsheet in seconds. Upload your file, preview the data, and download the converted workbook — free, private, and processed entirely in your browser.
Drag & drop your CSV file here or browse files
CSV files only (.csv)
No file selected.
How to convert CSV to XLS
- Upload your CSV file — drag and drop it or click the upload area.
- Check the data preview; change the delimiter or sheet name if needed.
- Click Convert to XLS and download your Excel file instantly.
Frequently asked questions
How do I convert a CSV file to XLS online?
Upload your .csv file by dragging and dropping it or clicking the upload area, check the data preview, click Convert to XLS, then download the .xls file. It is free, needs no sign-up and adds no watermark.
Is the CSV to XLS converter free? Are there any limits?
Yes, it is 100% free with no limits on the number of conversions. Everything runs in your browser, so even large CSV files are processed on your own device.
Is my CSV data private and safe?
Yes. Your file never leaves your device — the entire conversion happens locally in your browser. Nothing is uploaded to any server.
Does it handle commas inside quoted fields correctly?
Yes. The converter uses a proper CSV parser that understands quoted fields, escaped quotes and line breaks inside cells. It also auto-detects whether your file uses commas, semicolons, tabs or pipes as the delimiter.
Which programs can open the downloaded XLS file?
The downloaded file is a genuine Excel .xls spreadsheet and opens in Microsoft Excel (all versions), LibreOffice Calc, WPS Office and Google Sheets.