XLSX to CSV Converter
Convert XLSX to CSV free in your browser. Files never leave your device.
Drop files anywhere on this pageTap to choose a file
Mix any types. We detect each one and pick its best format.Photos, Files or iCloud • up to 100 MB
Up to 100 MB per file • Multiple files at once • Ctrl+V works too
How to convert XLSX to CSV
Add your XLSX (.xlsx) file
Drag and drop your .xlsx file into the converter box above or click Choose files. You can also paste screenshots or clipboard data with Ctrl+V.
Convert to CSV (.csv)
Our in-browser engine processes your .xlsx file directly in memory. No files are uploaded to any server, guaranteeing 100% private conversion.
Download your fresh .csv
Click Download to save your newly converted .csv file to your device. There are zero watermarks, zero size traps, and no waiting room.
What are XLSX and CSV files?
What is a XLSX file?
.xlsxMicrosoft Excel spreadsheet. XLSX files are widely utilized across desktop applications and digital workflows, but may require conversion when sharing with recipients who lack native viewing software.
What is a CSV file?
.csvComma-separated values spreadsheet. Converting to CSV format ensures universal compatibility across modern browsers, mobile devices, and third-party software suites.
XLSX to CSV conversion settings explained
Maintaining document hierarchy during XLSX to CSV conversion:
- Font & Vector Rendering: Preserves embedded typefaces and line weights.
- Page Margin Alignment: Matches print-ready layout specifications.
- Text Flow Continuity: Formats paragraphs cleanly for seamless editing.
Frequently asked questions about XLSX to CSV
Is converting XLSX to CSV free on Any File Converter?
Yes, converting XLSX to CSV is 100% free with no watermark, no file quantity limits, and no account registration.
Are my XLSX files kept private during conversion?
All conversions run client-side in your browser via WebAssembly and Web Workers. Your files are never uploaded to any remote server.
Can I convert multiple XLSX files to CSV simultaneously?
Yes! You can add multiple files at once, process them in batch, and download them individually or bundled in a ZIP file.
What software do I need to open the resulting CSV file?
The converted CSV file conforms to standard format specifications and opens in any compatible viewer, editor, or device.