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Upload the workbook, convert, download the CSV.
Select your .xlsx file — or drag it into the tool.
Start the conversion in your browser.
Download the finished .csv.
Import it anywhere — databases, scripts, analytics tools.
Built for speed, privacy and reliability — on any device.
CSV imports into databases, Python, R, CRMs and every data tool ever made.
The CSV contains calculated results — exactly what data pipelines expect.
Processed in your browser and removed right after.
No account, no watermark, no limits.
Supports DOCX, XLSX, PPTX and legacy formats. Formatting and layout are retained as closely as possible.
Add the .xlsx file to the tool above and start the conversion — the .csv downloads in seconds, free, no account.
CSV is a single-table format, so the first (active) sheet is exported. For other sheets, move the sheet you need to the front in Excel first.
The CSV contains the current calculated values, not the formulas — which is exactly what import tools and scripts want.
The file is processed in your browser and automatically deleted right after — usually within minutes, never shared, never stored.
Cells containing commas, quotes or line breaks are escaped with standard CSV quoting, so parsers read them correctly.
Yes — the CSV to Excel tool builds a proper .xlsx workbook from any CSV file.
Convert XLSX files to CSV online