Can I convert CSV to Excel without uploading to a server?

Yes, the conversion can run in your browser and generate an Excel file for download.

Does this CSV to Excel converter create XLSX files?

Yes, it exports your CSV data into an XLSX Excel workbook.

CSV to Excel Converter

Convert CSV files into Excel spreadsheets online for reporting, analysis, sharing, and cleanup. Upload a CSV, preview the data, set a sheet name, and download an XLSX file instantly.

Convert CSV to Excel XLSX

Upload a CSV file and export it as an Excel spreadsheet for easier viewing, sharing, and reporting.

Rows

Columns

Sheet Name

Sheet1

Output

XLSX

Excel Sheet Name

Style header row

Auto-size columns

CSV Preview

Upload a CSV file or load the sample to preview rows before conversion.

What this tool can do

Convert CSV files into Excel XLSX format
Preview rows before downloading
Set a custom sheet name
Style header row for readability
Auto-size columns for cleaner Excel output

Useful for

Business reporting and spreadsheet sharing
Opening CSV exports comfortably in Excel
Converting app exports into XLSX
Preparing files for teams and clients
Daily admin and operations work

Privacy

Your CSV is processed locally in your browser for conversion and download. No server storage is needed for the conversion workflow.

How to use the CSV to Excel Converter

1. Upload a CSV file or load the sample dataset.
2. Review the preview and row/column counts.
3. Set the Excel sheet name if needed.
4. Choose header styling and auto-width options.
5. Download the converted XLSX file.