XLS to HTML Converter

CloudConvert is an online document and spreadsheet converter. Amongst many others, we support PDF, XLSX, XLS, CSV, ODS. Thanks to our advanced conversion technology the quality of the output will be as good as if the file was saved through the latest Microsoft Office 2021 suite.

convert to

compress

capture website as

create archive

extract

Options

XLS Converter

XLS

XLS is Microsoft Excel spreadsheet file that stores data and manipulates several mathematical operations. It uses a visual basic operation to implement several numeric functions. This spreadsheet file is supported by most of the open source or proprietary spreadsheet software.

HTML Converter

HTML

HTML is a markup language that is used to create web pages. Web browsers can parse the HTML file. This file format use tags (e.g ) to build web contents. It can embed texts, image, heading, tables etc using the tags. Other markup languages like PHP, CSS etc can be used with html tags.

+200 Formats Supported

CloudConvert is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.

Data Security

CloudConvert is ISO 27001 certified and has been trusted by our users and customers since its founding in 2012. No one except you will ever have access to your files. We earn money by selling access to our API, not by selling your data. Read more about that in our Security Overview.

High-Quality Conversions

Besides using open source software under the hood, we’ve partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.

Powerful API

Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the CloudConvert API.