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Trusted by employees at these brands

Employees of some of the world's most well-known brands rely on Zamzar to convert their files safely and efficiently, ensuring they have the formats they need for the job at hand. From global corporations and media companies, to respected educational establishments and newspaper publications, employees of these organisations trust Zamzar to provide the accurate and reliable conversion service they need.

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Zamzar has converted over 510 million files since 2006

For every 10,000 files converted on Zamzar, we'll plant a tree. By using Zamzar you are helping to make a difference to our planet

We're committed to regular charitable giving. Each month we donate at least 2% of our company profits to different charities

From your personal desktop to your business files, we've got you covered

We offer a range of tools, to help you convert your files in the most convenient way for you. As well as our online file conversion service, we also offer a desktop app for file conversions straight from your desktop, and an API for automated file conversions for developers. Which tool you use is up to you!

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Convert over 150 different file formats

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One simple API to convert files

100s of formats for you to choose from

Documents, videos, audios, images & more...

Why choose Zamzar?

With Zamzar, file conversions are easy, reliable and convenient, so you can quickly convert your documents, images, videos, and more, to the formats you need. With faster downloads of converted files, and friendly and helpful support when you need it, you'll have everything you need to work with your files.



We've deliberately kept our site free from ads and focus solely on file conversion, which means you get your files converted quickly and hassle-free.

We support over 1100 different types of conversions and are always adding more!

Multiple File Formats

We support over 1100 different types of conversions and are always adding more!

We don

Dedicated Support

We don't imagine you’ll experience an issue using Zamzar, but if you do, then just get in touch with our support team who will be happy to help.

When you need a file converted, you can have confidence in us that we


When you need a file converted, you can have confidence in us that we'll get the job done correctly, quickly and securely.

Tools to suit your file conversion needs

You'll find all the conversion and compression tools you need, all in one place, at Zamzar. With over 1100 file-conversion types supported, whether you need to convert videos, audio, documents or images, you'll easily find what you need and soon have your files in the formats and sizing that work for you.

XLS Document Format

XLS Converter

The XLS file format was developed by Microsoft for its Excel spreadsheet program. XLS is a binary spreadsheet format that can include cell data and formulas, as well as charts and macros. Excel is one of the most popular software programs for recording, organising, calculating and analysing data. It’s often used for budgeting and reporting.

Microsoft introduced the new XLSX format for Excel in 2007, to replace XLS. However, you can still open XLS files in newer versions of Excel, as well as saving XLSX files into this older format. Excel is part of Microsoft’s Office suite, which is available as a one-off software purchase or an Office 365 subscription. Other spreadsheet programs that can usually open XLS files include Google Sheets, Apple Numbers and LibreOffice Calc.

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XML Document Format

XML files are data files, with XML being short for ‘Extensible Markup Language’. XML was first defined in 1998 by the World Wide Web Consortium (W3C) and is now recognised as an ISO open standard. As well as being a markup language, XML can also be used for storing and sharing data in a similar way to HTML. However, unlike HTML, XML is intended to store and carry data online, rather than to display it. XML can give structure to data for other applications to interpret and process, making data-sharing easier.

XML files are plain text documents comprising Unicode characters and typed tags. Both humans and machines can read XML text. You can open XML files in internet browsers or plain text editors like Notepad. Since 2008, all Microsoft Office programs have been XML-based. This means you can read and edit XML files in Office programs including Word, PowerPoint or Excel.

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How to convert a XLS to a XML file?

  1. 1. Choose the XLS file that you want to convert.
  2. 2. Select XML as the the format you want to convert your XLS file to.
  3. 3. Click "Convert" to convert your XLS file.

Convert to XML

Using Zamzar, it is possible to convert a variety of other formats to XML files:


Frequently asked questions

If you’ve got any questions about converting or compressing files with Zamzar, we’re happy to help! We’ve answered a few commonly-asked questions below, to get you started, and you can find out more information about file conversion and compression with Zamzar, in our Help centre.

Excel files are a different format to XML files. Excel XLS or XLXS files are spreadsheets designed to be opened by the Microsoft Excel program. XML is a mark-up language for storing and sharing data, and is often used in web pages. It’s simple to convert Excel data into XML using Microsoft Excel or a conversion tool like Zamzar.

If you have Excel, open the spreadsheet, select ‘Save As’ in the ‘File’ tab, then choose an XML format from the dropdown options. You can also easily convert Excel to XML with Zamzar – upload your file to the tool on Zamzar’s website, select to convert it to XML and then download the converted file.

A quick and secure way of converting XLS to XML is to use a file conversion tool like Zamzar. Simply upload your XLS file to the three-step tool on Zamzar’s website, click to convert it to XML format and then download the new file.

If you have Microsoft Excel on your device, you can also open an XLS spreadsheet with that, then use the ‘Save As’ function and choose ‘XML Data’ from the file types listed in the dropdown menu.

XLS and XML are not the same. They are different file formats for data. XLS is a file type for spreadsheets used in Microsoft Excel, whereas XML is a universal mark-up language for storing and sharing data online.

If you need to convert a document from XLS to XML, it’s easy to do using file conversion software or an online tool like Zamzar. Just upload an XLS file to the tool on Zamzar’s secure website, click to convert it to XML and then download the new file.

To open an XLS file as XML you will need to convert it first. You can do this for individual files by opening them in Microsoft Excel, then saving it as a new file and selecting an XML format from the dropdown options.

If you don’t have Excel or can’t/don’t want to open individual files, you can also convert from XLS to XML with online tools like the one on Zamzar’s website. Just upload an XLS file to Zamzar’s conversion tool and select to convert it to XML. You can then open your file as an XML file.

There are several ways to convert a file to XML including using file conversion software and websites like Zamzar.

In most text or data programs for Windows, Google or Apple operating systems, you can use the ‘Save As’ or ‘Export’ functions to convert your file to XML format. However, online file conversion tools let you convert files without opening them first or installing extra software. Simply upload one or more files to the free tool on Zamzar’s website, select to convert to XML and then download your converted files.