XLS to XML — Format Comparison & Online Converter
Fast, instant XLS to XML conversion. No signup required. Just drop your .xls file and get .xml in seconds.
Batch Settings
Some metadata may not survive
Your XLS file may contain OLE properties metadata. XML has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
About XLS to XML Conversion
XLS (introduced 1987) and XML (introduced 1998) are both spreadsheet formats, but they differ in important ways. XLS is the legacy Excel format (pre-2007) — still encountered in business workflows. XML (Extensible Markup Language) is a structured data format used in enterprise integrations.
Full Name: XLS uses Microsoft Excel Legacy, while XML uses Extensible Markup Language. Compression: XLS uses None (uncompressed), while XML uses None (uncompressed). Typical File Size: XLS uses 50 KB–50 MB, while XML uses 1 KB–100 MB.
When you convert XLS to XML, the goal is to convert between formats quickly. Converting XLS to XML maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your XLS file is decoded and re-encoded as XML. The conversion involves 4 steps: (1) your xls file is uploaded and the format is validated, (2) the file content is decoded into its raw representation, (3) the data is re-encoded in xml format with optimal settings, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you You need a file that works in web browsers, or when you You need maximum device and software compatibility. For the opposite direction, CocoConvert also supports XML to XLS conversion.
How to Convert XLS to XML
- 1
Upload .xls file
Select your XLS file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .xml
Set XML as the output format. The converter uses optimal settings based on the XLS→XML conversion profile.
- 3
Convert
The server-side engine decodes your XLS file and re-encodes it as XML. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .xml file. Multiple output files can be downloaded together.
What Happens When You Convert XLS to XML
Your XLS file is decoded and re-encoded as XML.
Your XLS file is uploaded and the format is validated
The file content is decoded into its raw representation
The data is re-encoded in XML format with optimal settings
The converted file is ready for download
XLS vs XML — Detailed Comparison
| Feature | .XLS | .XML |
|---|---|---|
| Full Name | Microsoft Excel Legacy | Extensible Markup Language |
| Compression | None (uncompressed) | None (uncompressed) |
| Typical File Size | 50 KB–50 MB | 1 KB–100 MB |
| Platform Support | Universal | Universal |
| Browser Support | none | Universal |
| Year Created | 1987 | 1998 |
| Open Standard | No | Yes |
Should You Convert XLS to XML?
When to Convert
- ✓You need just the audio track from a video recording
- ✓You're creating a podcast or audio file from video content
- ✓You need a file that works in web browsers
- ✓You need maximum device and software compatibility
Frequently Asked Questions
What is the difference between XLS and XML?
XLS is the legacy Excel format (pre-2007) — still encountered in business workflows. XML (Extensible Markup Language) is a structured data format used in enterprise integrations. Full Name: XLS uses Microsoft Excel Legacy, while XML uses Extensible Markup Language. Compression: XLS uses None (uncompressed), while XML uses None (uncompressed). Typical File Size: XLS uses 50 KB–50 MB, while XML uses 1 KB–100 MB.
Does XLS to XML conversion affect quality?
Converting XLS to XML maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, XLS or XML?
XLS uses none compression. XML uses none compression. The better choice depends on whether you prioritize file size or quality.
How long does XLS to XML conversion take?
Most conversions finish in seconds. Larger files or complex spreadsheet content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is XLS or XML better for long-term storage?
XML is better for archival since it preserves all original data.
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