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แปลง XLS เป็น CSV

Free online XLS to CSV converter. Fast, secure, no signup required.

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Accepted: XLS files · Max 100 MB per file

xls csv

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Need to convert XLS to CSV? MegaConvert makes it easy. Upload your Microsoft Excel Spreadsheet (XLS) file and get a Comma-Separated Values (CSV) file in seconds — no software to install, no signup required. Whether you need this conversion for data analysis, office work / email attachments, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert XLS to CSV Online

  1. 1
    Upload your XLS file

    Click the upload area or drag and drop your XLS file. Files up to 25MB are free. Larger files are supported with pay-per-use.

  2. 2
    Choose CSV as output format

    CSV is automatically selected on this page. You can adjust conversion settings if needed.

  3. 3
    Click Convert

    Hit the Convert button to start processing. Your file will be converted using our high-performance servers.

  4. 4
    Download your CSV file

    Once conversion is complete, click Download to save your new CSV file. Free files are available for 1 hour.

Why Convert XLS to CSV?

  • **Modernize your files** — XLS is an older format. Converting to CSV ensures better compatibility with current software and devices.
  • **Universal compatibility** — CSV works on virtually every device, operating system, and application without additional software.
  • **Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
  • **Software requirements** — Your software or platform may require CSV format specifically. Converting ensures full compatibility.

XLS vs CSV — Format Comparison

Feature XLS CSV
Full Name Microsoft Excel Spreadsheet Comma-Separated Values
Developer Microsoft N/A
First Released 1987 1972
Category Spreadsheet Spreadsheet
Extension .xls .csv
MIME Type application/vnd.ms-excel text/csv

Formulas, charts, and macros may not transfer to simpler formats like CSV.

About XLS Format

Legacy Microsoft Excel binary format for spreadsheets with formulas and charts.

Full name: Microsoft Excel Spreadsheet

Developer: Microsoft (1987)

About CSV Format

Simple text format for tabular data where values are separated by commas.

Full name: Comma-Separated Values

Developer: N/A (1972)

คำถามที่พบบ่อย

Upload your XLS file to MegaConvert.io, select CSV as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.
Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.
Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.
Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.
Legacy Microsoft Excel binary format for spreadsheets with formulas and charts. Developer: Microsoft (1987).
Simple text format for tabular data where values are separated by commas. Developer: N/A (1972).