oda-framework/components/viewers/pptx-viewer/index.html

It's an ES Progressive Framework based on the technology of Web Components and designed especially for creating custom UI/UX of any complexity for web and cross-platform PWA mobile applications.

<meta charset="UTF-8">
<title>pptx-office-viewer</title>
<script type="module" src="../../../oda.js"></script>
<script type="module" src="./pptx-viewer.js"></script>

<oda-pptx-viewer url="./demo.pptx"></oda-pptx-viewer>