Free XLSX to CSV Converter
Free, fast, and secure. Convert XLSX files to CSV directly in your browser — no uploads, no limits.
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About XLSX to CSV Conversion
Convert documents between formats for seamless collaboration. Ensure your files work across different software, operating systems, and devices without losing formatting or content.
How to Convert XLSX to CSV
Converting files has never been easier or more secure. MixConvert uses advanced browser-based technology to process your files instantly without uploading them to a remote server. Follow these simple steps to get started:
- Select Your Files: Click "Choose Files" or simply drag and drop your XLSX files (.xlsx) into the upload area.
- Choose Output Format: Verify that CSV (.csv) is selected as your target output format.
- Convert Instantly: Hit "Convert All" and watch as your files transform instantly using our browser-based engine.
- Download: Download your converted CSV files individually, or grab them all at once as a ZIP archive.
XLSX to CSV FAQ
How do I convert XLSX to CSV on my phone?
MixConvert works seamlessly on iOS and Android devices. Open this page in your mobile browser, select your XLSX files, and convert to CSV with the same ease as on desktop.
Is it safe to convert XLSX to CSV here?
Yes, your files never leave your device. We use WebAssembly technology to process XLSX files locally in your browser, making this the most private way to convert to CSV.
Is there a file size limit for XLSX to CSV conversion?
There are no arbitrary size limits. Since conversion happens locally, your device's RAM and processing power are the only constraints. Most modern devices handle files of any practical size.
How long does XLSX to CSV conversion take?
Most XLSX files convert to CSV in just a few seconds. Processing time depends on file size and your device's CPU. Large video files may take a bit longer.
Can I batch convert multiple XLSX files?
Yes! Select multiple XLSX files and convert them all to CSV simultaneously. You can then download each file or grab everything as a single ZIP archive.
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Understanding the Formats
XLSX
Microsoft Excel Workbook
Excel's modern spreadsheet format supporting formulas, charts, and multiple sheets.
CSV
Comma-Separated Values
Simple data format where values are separated by commas. Universal for data exchange.
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