XLSX to HTML Converter

Select files for conversion or just drag and drop them to the upload area

How to convert XLSX files to HTML online?

Step 1.

Upload XLSX-file

Click "Choose File" button to select a xlsx file on your computer. XLSX file size can be up to 50 Mb.
Step 2.

Convert XLSX to HTML

Click "Convert" button to start conversion.
Step 3.

Download your HTML

When the conversion process is complete, you can download the HTML file.

Information about XLSX and HTML file formats

Name XLSX HTML
Full name XLSX - Office Open XML Document HTML - Hypertext Markup Language
File extension .xlsx, .xlsm .html, .htm
MIME type application/vnd.-openxmlformats-officedocument.-spreadsheetml.-sheet text/html
Developed by Microsoft W3C & WHATWG
Type of format Spreadsheet Document file format
Description The Office Open XML file formats are a set of file formats that can be used to represent electronic office documents. There are formats for word processing documents, spreadsheets and presentations as well as specific formats for material such as mathematical formulae, graphics, bibliographies etc. HyperText Markup Language, commonly referred to as HTML, is the standard markup language used to create web pages. Along with CSS, and JavaScript, HTML is a cornerstone technology, used by most websites to create visually engaging web pages, user interfaces for web applications, and user interfaces for many mobile applications.
Technical details Office Open XML documents are stored in Open Packaging Convention (OPC) packages, which are ZIP files containing XML and other data files, along with a specification of the relationships between them. Depending on the type of the document, the packages have different internal directory structures and names. HTML elements form the building blocks of all websites. HTML allows images and objects to be embedded and can be used to create interactive forms. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items.
File conversion XLSX conversion HTML conversion
Associated programs Microsoft Office, LibreOffice, Kingsoft Office, Google Docs. Mozilla Firefox, Opera, Google Chrome, Internet Explorer.
Wiki https://en.wikipedia.org/wiki/Office_Open_XML_file_formats https://en.wikipedia.org/wiki/HTML