CSV to Excel
Turn a CSV into a .xlsx workbook.
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Private
Files never leave your browser.
Fast
Native client-side processing.
Free forever
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About CSV to Excel
Convert a CSV file into a formatted .xlsx Excel workbook using SheetJS, fully in-browser.
CSV to Excel runs entirely in your browser using Office Tools technology. Your files are processed locally and never uploaded to a server — there is no cloud, no storage, and no account required. Nothing about your file is sent anywhere.