CSV to XLSX Converter

Convert your CSV files to modern Excel XLSX format instantly. Compatible with Microsoft Excel 2007 and later.

1 Input CSV

Drop your file here or click to browse

Supports CSV files (up to 20MB)

0 rows

2 Convert to XLSX

Excel files cannot be previewed - they will be downloaded directly

Instant Conversion

Real-time processing in your browser

100% Private

Data never leaves your device

Excel Compatible

Works with all Excel versions