Free Excel to CSV Converter
Free Excel to CSV converter. Upload .xlsx and download a clean CSV instantly. Nothing uploaded.
Free Spreadsheet Tool
Excel to CSV.
Convert to .csv. Free. Instant.
Convert any Excel .xlsx file to a clean CSV file instantly. Nothing uploaded — processed in your browser.
No sign-up100% freeFiles never uploadedWorks on iPhone
Excel to CSV Converter
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Drop your file here
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.xlsx or .xls accepted · Max 20MB · Never uploaded
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Done!
Your file is ready
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100% private
Processed in your browser only
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Instant
No waiting, no queue, no server
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Auto deleted
Wiped from memory on download
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Works everywhere
iPhone, Android, any browser
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More from Kaeltripton — UK Finance Guides
Free Excel to CSV Converter
Convert any Excel .xlsx or .xls file to a clean CSV instantly using SheetJS in your browser. The first sheet is exported as CSV — no upload, no account required.
Frequently asked questions
Is this free?+
Yes — 100% free, no sign-up.
Which sheet gets exported?+
The first sheet in the workbook is exported as CSV.
Does it work on iPhone?+
Yes — all modern browsers.
