PDF.js is a web standards-based platform for parsing and rendering Portable Document Formats (PDFs). Open source and built with HTML5, this PDF viewer is supported by a great community and Mozilla Labs. PDF.js can be used on both modern and older browsers, and is built into version 19+ of Firefox.
A condensed library designed to web modern applications, to quickly export your content html to pdf thanks the famous library in javascript: jsPDF. And a special thanks to the project canvg and html2canvas. Project documentation: http://ulmdevice.altervista.org/pdfapihtml5/#documentation
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Also available service for Angular 7+: http://ulmdevice.altervista.org/pdfjsapi/
Mobile Applications: http://bit.ly/1MrlgKk
Opera add-on: http://bit.ly/1kkMhTa
DUPS can be used to present any set of images depicting a chronological sequence. It creates a set of HTML pages acting as a browser based picture/pdf viewer. The emphasis lies on displaying two pictures side by side enabling the user to compare them.