CSV ⇄ Excel Converter
Convert CSV files to Excel XLSX and Excel spreadsheets to CSV, with sheet selection and preview.
100% free No signup Private & offline-ready Works in your browser
Choose a CSV, XLSX or XLS fileor drag and drop it here
About the CSV ⇄ Excel Converter
Turn CSV exports from apps and websites into proper Excel files, or save any sheet of an Excel workbook as CSV or JSON. Preview the first rows before downloading and choose the sheet if the workbook has several. Files are processed locally with the SheetJS library.
Frequently asked questions
Is the CSV ⇄ Excel Converter free?
Yes. The CSV ⇄ Excel Converter on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.