CSV to Excel Converter
Convert CSV to Excel (XLSX) in your browser. Preserve rows and columns, preview output, then download your workbook. Private and free.
Your data stays on your device. Nothing is uploaded.
How to Use the CSV TO EXCEL Tool
1. Upload or paste
Drop a file or paste content into the input area.
2. Convert
Choose options (like sheet, delimiter or element names) and run the conversion.
3. Download or copy
Preview the result and download the converted file. Processing stays local.
Features
Preserves rows and columns
Converts each CSV row into a spreadsheet row with predictable column mapping.
Handles quotes and delimiters
Works with quoted fields and common CSV formats.
Preview before download
Inspect the output before saving the XLSX.
Local conversion
Your CSV is processed in the browser, not uploaded to a server.
Fast downloads
Download a clean XLSX workbook instantly.
Great for reporting
Useful for sharing CSV exports in a spreadsheet-friendly format.
FAQ: Frequently Asked Questions
No. Conversion runs locally in your browser.
Large files depend on your device. Very large CSVs may take longer on mobile.
Yes. The first row becomes the header row in the spreadsheet when present.
The tool generates an XLSX file.
Yes. It is free to use.