XLS to CSV Converter
Free online tool to convert XLS to CSV files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
0 files uploaded. 100 files remaining.
Maximum file size is 1GB
How It Works
How to Convert XLS to CSV
Click inside the file drop area to upload your XLS file or drag & drop it.
Locate your XLS file on your device—typically used for various purposes. Ensure the file is under 50MB to avoid upload issues. If the upload fails, check your internet connection or try compressing the file first.
Select CSV as the output format and click the 'Convert' button.
Choose CSV based on your needs—different formats suit different purposes, like JPEG for smaller file sizes. The conversion process typically takes a few seconds, depending on file size and server load.
Download the converted CSV file instantly after conversion.
Once the conversion is complete, click the download link to save your CSV file. You can then open it in software like a compatible viewer. If the file doesn’t download, ensure your browser allows pop-ups from RunConvert.
You can also send a link to the converted file via email. (Optional)
Enter an email address to receive a secure link to your converted file, which is useful for sharing with clients or accessing later. Links expire after 24 hours for security, and RunConvert ensures your data is protected during transmission.
Convert Your XLS files to other formats
RunConvert.com can convert your XLS files to these other formats:
Convert Your XLS files to other formats
Convert Files to XLS Format
RunConvert.com supports these converters to XLS format:
Convert Files to XLS Format
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Frequently Asked Questions
Here are some common questions and answers about xls and csv file conversions asked by our users on RunConvert.com.
Frequently Asked Questions
Q: How fast is XLS conversion on RunConvert.com?
A: Quick as a snap—usually just seconds! RunConvert.com processes XLS files fast, so you’re ready to go.
Q: Can I convert XLS to XLSX without losing data?
A: You sure can! RunConvert.com preserves the spreadsheet structure, making it compatible with newer Excel versions. It’s like moving a recipe to a new cookbook.
Q: What’s the best format to convert CSV to for editing?
A: XLSX is the go-to for editing in Excel. RunConvert.com makes the switch seamless, so you can jump into formulas and charts right away.
Q: Can I convert CSV to PDF for reports?
A: You sure can! RunConvert.com turns CSV into PDF, perfect for polished reports or sharing. It’s like printing your data on a crisp, professional sheet.
Q: Can I use RunConvert to convert spreadsheet files?
A: You sure can! RunConvert.com handles tons of spreadsheet conversions—Excel, CSV, ODS, TSV, and more. Just upload your file, pick your output format, and you're golden.
Q: Can I convert XLSX to CSV?
A: Absolutely! XLSX to CSV is one of the most common conversions. Whether you're prepping data for coding or uploading it into a platform, a CSV keeps things clean and simple.
Q: Can I convert spreadsheets without internet access?
A: Not with RunConvert—it’s a web-based tool. But if you need offline options, software like LibreOffice or Excel can do basic conversions.
Q: What’s the cleanest format for archiving spreadsheets long term?
A: PDF/A is a solid pick for archiving. If you want something editable, stick with ODS—it’s open and standardized.
Q: Will colors and fonts transfer in my spreadsheet conversion?
A: That depends on the format. Excel to Excel? You’re good. But converting to CSV? Say goodbye to colors, fonts, and anything fancy—it’s just plain text there.
Q: Why are some formulas broken after converting?
A: Not all formats use the same formula syntax. Stick to XLSX or ODS for the best compatibility.
What is XLS (Excel Spreadsheet)?
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.
XLS files are widely used for business, academic, and personal tasks requiring advanced data analysis, visualization, and reporting.
How to open XLS?
XLS files can be opened using spreadsheet programs like Microsoft Excel, LibreOffice Calc, or Google Sheets. These programs display data in a tabular format, preserving the cell structures, formulas, and formatting.
To open XLS files in Excel or Google Sheets, simply double-click the file or import it into the application.
XLS is Developed by: Microsoft
XLS was Released on: 1985
Useful Links for XLS:
How to convert XLS?
You can convert XLS files to other formats, such as CSV, JSON, or PDF, using online file converters or within spreadsheet programs. Simply upload your XLS file and select the desired output format.
In Microsoft Excel or LibreOffice, you can also save your XLS files in various other formats, like CSV or PDF, for compatibility with different applications.
What is CSV (Comma-Separated Values)?
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.
CSV files are commonly used for data exchange between different applications and are easily opened and edited by spreadsheet programs like Microsoft Excel, Google Sheets, and other data processing tools.
How to open CSV?
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.
CSV is Developed by: International Organization for Standardization (ISO)
CSV was Released on: 1983
Useful Links for CSV:
How to convert CSV?
You can convert CSV files to other formats, such as Excel (.xlsx), JSON, or TSV (Tab-Separated Values), using online file converters. Simply upload your CSV file, choose the desired output format, and let the converter do the work.
Many spreadsheet applications like Excel also allow saving CSV files in various formats for easier use across different platforms and applications.
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