Ben Lawson

Make sure you don’t have any security plugins preventing the PDF from being loaded.

You probably have a .htaccess rule preventing access to the PDF.
See https://support.hostgator.com/articles/how-to-edit-your-htaccess-file
And make sure you don’t have special access rules for wp-uploads

I just tested that file on my website and it works fine!

Where do you see the error? Where the pdf should be?

Try this shortcode instead:
[pdfjs-viewer url=”https://treymag.com/wp-content/uploads/2016/08/mag.pdf” viewer_width=100% viewer_height=1360px fullscreen=true download=true print=true]

Plugin is now compatible with latest WP version.

I can’t support what other plugins may do to cripple this plugin, sorry.

I have updated the version of PDF.js that the plugin uses, try it now.

This plugin definitely supports Safari out of the box (it even works on mobile Safari)!

You can accomplish this with FancyBox and a link to the “fullscreen” link that this plugin generates.

https://www.ads-software.com/plugins/easy-fancybox/

The update I just pushed should fix this.

It’s possible your PDF was from an external website or had unusual characters in it, both of which can be prevented if you use the media button in this update.

This option is not supported in this PDF reader. I believe it only applies to PDFs read in the official Adobe PDF reader.

A workaround would be to save the PDF content as pictures within the PDF, in which case there wouldn’t be any text to select.

Nope!

I think the problem was some spaces at the beginning of pdfjs-viewer.php . I have removed them. Try reinstalling (I didn’t make this an official update)!

I agree, unfortunately this is impossible because of javascript security in iframes (as the viewer is presented).)

Try reinstalling the plugin. I have removed some problematic spaces.

I have updated that file, just reinstall the plugin to apply it.

This PHP error is caused when content is output before a session starts (session_start()).

Try deleting all of the spaces at the beginning of pdfjs-viewer.php .

That causes trouble for some people and it mysteriously keeps reappearing.

Tell us how this went! ??

This a known issue with PDF.js . IE doesn’t support advanced javascript functionality.