CSV to Excel Converter – Free Online CSV to XLSX Tool
Convert CSV to Excel (XLSX) online for free. Upload a CSV file and instantly download a formatted, ready-to-use spreadsheet. No signup needed.
- 100% Free
- No Registration Required
- Files Stay on Your Device
- Browser-Based Processing
- No Software Installation
- Mobile Friendly
Don't have a file handy?
We'll generate a small sample CSV file you can upload below to see how the converter works.
Input
Drag & Drop your file here
or click to browse
Your converted EXCEL will appear here
Frequently Asked Questions
Upload your CSV file (.csv) and click Convert to generate the EXCEL output.
Yes. This online CSV to EXCEL converter is completely free to use, with no limit on the number of conversions.
Yes. Conversion happens directly in your browser — your CSV files and pasted data are never uploaded to our servers.
You can upload .csv files up to 10MB in size.
No. Since EXCEL isn't practical to preview as plain text, clicking Convert generates and downloads the EXCEL file directly to your device.
No. This is a browser-based CSV to EXCEL converter — there's nothing to download or install.
Fully supported in Chrome, Firefox, Edge, and Safari — no browser extensions required.