Convert CSV files to Excel format (.xlsx)
📁
Drag & drop your file here
or click to browse
Supported: .csv, .tsv, .txt
Advanced Options
💡 Tips
- • All processing happens in your browser - files are not uploaded to any server
- • For large files, the preview shows only the first 20 rows
- • CSV files with special characters should use UTF-8 encoding
- • Excel files with multiple sheets will convert only the first sheet