Convert Excel to CSV Online

Convert Microsoft Excel (.xlsx) files to Comma-Separated Values (.csv) format online for free. Fast, secure, and no sign-up required. Your files are automatically deleted within 1 hour.

Free online excel to csv converter — no software needed. Instantly change, transform, and export your files in seconds.

Drag & drop your file here

or browse to select — accepts .xlsx, .xls (max 10MB)

How to Convert Excel to CSV Online

1. Upload Your File

Select or drag your .xlsx, .xls file into the converter

2. Convert Instantly

Your file is converted from .xlsx to .csv in seconds

3. Download Result

Download your converted .csv file to any device

Best Free Excel to CSV Converter

Lightning Fast Conversion

Convert .xlsx to .csv in seconds. No waiting, no queues — instant processing.

100% Secure & Private

All files are encrypted in transit via HTTPS and auto-deleted within 1 hour. Your data stays private.

Works on Any Device

Browser-based converter — works on Windows, Mac, Linux, iOS, Android, and Chromebook. No installation needed.

No Sign-Up Required

Start converting immediately. No registration, no email, no watermarks on your converted files.

When to Convert Excel to CSV

Excel to CSV for Business

Professionals frequently need to convert excel files to csv format for reports, presentations, and document sharing. Our converter preserves formatting and layout perfectly.

Student & Academic Use

Students and researchers can quickly convert excel to csv for assignments, thesis papers, and academic submissions that require a specific file format.

Excel to CSV for Personal Use

Whether you're organizing personal documents or sharing files with friends and family, converting excel to csv has never been easier with our free online tool.

Cross-Platform Compatibility

Need your excel file to work on a different device or operating system? Convert it to csv to ensure compatibility across Windows, Mac, iOS, Android, and Linux.

Excel vs CSV — Why Convert?

XLSX (Excel)

Standard Excel file format
Widely used across platforms
Excel files may have specific features
May require specific software to open

CSV (CSV)

CSV format for broader compatibility
Easy to share and distribute
Supported by many applications
Ideal for your target workflow

Excel to CSV — Frequently Asked Questions

Is Excel to CSV conversion free?

Yes! Reformat offers free Excel to CSV conversion. Free users get 3 conversions per day. Upgrade to Pro for unlimited conversions.

How do I convert .xlsx to .csv?

Simply upload your Excel spreadsheet, click Convert, and download your CSV file. The entire process takes just seconds.

What is the maximum file size?

Free users can convert files up to 10MB. Pro users get up to 100MB, and Business users get up to 500MB.

Is my file safe?

Absolutely. All files are processed securely and automatically deleted from our servers within 1 hour. We never access or share your data.

Can I convert multiple files at once?

With a Pro or Business account you can batch convert multiple files. Free users can convert one file at a time.

How do I convert Excel to CSV?

Simply upload your excel file to our converter, click "Convert", and download your csv file. The entire process takes just a few seconds and works directly in your browser.

Is the Excel to CSV converter free?

Yes! Our excel to csv converter is completely free. Free users get 3 conversions per day. Upgrade to Pro for unlimited conversions and larger file support.

Can I convert Excel to CSV without installing software?

Absolutely. Our excel to csv converter works 100% online in your web browser. No software downloads, no plugins, no registration required.

Is it safe to convert Excel to CSV online?

Yes. All files are encrypted during transfer using HTTPS, processed securely on our servers, and automatically deleted within 1 hour. We never access, read, or share your data.

What is the maximum file size for Excel to CSV conversion?

Free users can convert files up to 10MB. Pro users can convert files up to 100MB, and Business users up to 500MB.

Does the excel to csv converter preserve formatting?

Yes, our converter is designed to preserve the original formatting, layout, images, tables, and text styling as accurately as possible during the conversion.

Can I convert multiple excel files to csv at once?

Pro and Business accounts support batch conversion, allowing you to convert multiple excel files to csv simultaneously. Free users can convert one file at a time.

What devices support the Excel to CSV converter?

Our converter works on all modern devices and operating systems — Windows, Mac, Linux, iOS, Android, and Chromebook. Any device with a web browser will work.

How long does Excel to CSV conversion take?

Most conversions complete in under 10 seconds. Larger or more complex files may take slightly longer, but our converter is optimized for speed.

What's the difference between XLSX and CSV files?

XLSX (Excel) and CSV (CSV) are different file formats with different features and compatibility. Converting between them allows you to use the best format for your specific needs.

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