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    Convert XLS to CSV Files Online for Free.

    Free online tool to convert xls to csv files quickly and securely. No installation required – start converting your files in just a few clicks!

    Convert XLS to CSV Online for Free

    Fast and free XLS to CSV conversion — no software required.

    XLS (Excel Spreadsheet) is a proprietary file format developed by Microsoft for storing spreadsheet data, including rows, columns, and data cells. The format supports complex data like formulas, charts, and formatting. It’s typically used in XLS (Excel Spreadsheet)?.

    CSV (Comma-Separated Values) is a simple text-based file format used for storing tabular data, such as spreadsheets or databases. Each line of a CSV file represents a row, and each value within a row is separated by a comma. Commonly found in CSV (Comma-Separated Values)?.

    Why Convert XLS to CSV?

    • To make files easier to open across devices.
    • To ensure your file size is smaller for faster sharing.
    • To avoid needing specific apps to open the file.

    Benefits of This Conversion

    • Faster upload and download speeds.
    • Improved compatibility across browsers and apps.
    • Optimized performance for web or mobile use.
    • Smaller file sizes without compromising quality.

    Use Case Scenarios

    • You’re importing spreadsheet data from XLS into a system that only accepts CSV.
    • Your website needs a lightweight version of your XLS to upload as CSV.
    • You recorded audio as XLS, but need CSV to save space.

    Conversion Tips

    • Use trusted online converters to protect your data.
    • Check the converted file for formatting errors.
    • Convert only what you need to reduce processing time.

    Programs That Open CSV Files

    • CSV files can be opened using spreadsheet programs such as Microsoft Excel, Google Sheets, or LibreOffice Calc. You can also open them using text editors like Notepad or Sublime Text, although they won't display the data in a table format.
    • To open CSV files in Excel or Google Sheets, simply double-click the file or import it into the application.

    Did You Know?

    • Converting from DOCX to PDF ensures no fonts get lost.
    • CSV files are just plain text — super lightweight!
    • JPG is the most widely used image format online.

    Useful Resources

    How It Works

    How to Convert XLS to CSV

    STEP 1

    Click inside the file drop area to upload your XLS file or drag & drop it.

    STEP 2

    Select CSV as the output format and click the 'Convert' button.

    STEP 3

    Download the converted CSV file instantly after conversion.

    STEP 4

    You can also send a link to the converted file via email. (Optional)

    Enterprise-Grade Security

    Protecting Your Data is Our Top Priority

    At RunConvert, we prioritize your data's security during every file conversion. Our advanced encryption protocols ensure that your files are protected throughout the entire process. Whether you're converting documents, images, or audio files, we host all our operations in secure data centers with constant monitoring, ensuring the safety of your information. We are committed to protecting your privacy by never storing your files longer than necessary and never sharing your data with third parties. With RunConvert, you can trust that your files are handled with the highest level of security, giving you peace of mind with every conversion.

    End-to-End Encryption

    Your files are encrypted from upload to delivery with AES-256 encryption standards.

    • Zero-knowledge architecture
    • TLS 1.3 protocol

    Secure Access Control

    Multi-factor authentication and role-based access management for your entire organization.

    • SAML & SSO integration
    • Audit logging

    Protected Storage

    Redundant, encrypted storage systems with geo-distributed backups and disaster recovery.

    • 99.99% uptime SLA
    • Automatic failover

    File Verification

    Automated integrity checks and malware scanning on all files before processing.

    • Real-time threat detection
    • Version control

    Security Certifications & Compliance

    We maintain the highest industry standards for data protection

    ISO 27001
    GDPR Compliant
    HIPAA
    SOC 2 Type II
    4.5 /5
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    How would you rate your experience with our service?

    Rating Distribution

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    What Our Users Say

    Don't take our word for it – here's what users think about Runconvert.

    Saved me hours of work

    I had to convert multiple PDFs to Word for editing. This tool made it so easy and preserved all the formatting perfectly. The batch processing feature is a game changer.

    Michael T

    Professional quality

    As a graphic designer, I need reliable conversion tools. This site delivers professional quality every time. The image conversions maintain resolution and color accuracy.

    Elena R

    Fast and reliable

    I've tried many conversion tools but this one is by far the fastest and most reliable. No watermarks, no quality loss, and the interface is so intuitive.

    David K

    Rated 4.5/5 based on 5400+ reviews. Showing our latest reviews.

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