To test the HTML5 version locally, please open the link in Safari.
Or, please upload files to your server and test the HTML5 files.
You may find it useful to check out the online manual for more tips:
http://pdf-online.nl/

This web browser does not support HTML5, please open the link in Safari or other web browsers to test HTML5 version locally.
Safari can be downloaded from:
http://www.apple.com/safari/download/