The ultimate offline tool for CSV to Excel conversion, merging, and batch processing on Windows, Mac, and Linux.
Download DataFileConverterConvert individual CSV files to clean XLS/XLSX formats with full control over row and column settings.
Combine multiple CSV files into a single Excel workbook, with options for single or multi-sheet output.
Convert hundreds of CSV files to separate Excel files simultaneously, saving time on bulk operations.
For scheduled tasks and server environments, automate conversions effortlessly:
.bat (Windows) or .sh (macOS/Linux) scripts. 📷Converts millions of rows in minutes—even for large files.
Yes. All processing happens locally; no files leave your computer.
Absolutely. No Microsoft Excel installation required.
Yes. Native versions for Windows, macOS, and Linux are available.
Yes: merge into one Excel or batch convert to multiple Excel files.
Download the free trial and experience fast, secure, and local file conversion.
Download DataFileConverter