Excel to CSV
Export Excel sheets to CSV.
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Files never leave your browser.
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Native client-side processing.
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About Excel to CSV
Convert .xlsx/.xls spreadsheets to CSV files, one per sheet, using SheetJS. Runs locally.
Excel to CSV 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.