How to create thumbnails for PDF uploads?

If I’m not totally mistaken, the code you have given on your update won’t work, because the file/mime type pdf isn’t supported by the WP_image_editor class called by wp_get_image_editor(). Creating a thumbnail from a uploaded pdf file can be achieved though. Below code gives you a insight in a possibility how to do it, I … Read more

Documentation for using JavaScript code inside a PDF file

Probably you are looking for JavaScript™ for Acrobat® API Reference. This reference should be the most complete. But, as @Orbling said, not all PDF viewers might support all of the API. EDIT: It turns out there are newer versions of the reference in Acrobat SDK (thanks to @jss). Acrobat Developer Center contains links to different versions of … Read more

How to make PDF file downloadable in HTML link?

This is a common issue but few people know there’s a simple HTML 5 solution: Where newfilename is the suggested filename for the user to save the file. Or it will default to the filename on the serverside if you leave it empty, like this: Compatibility: I tested this on Firefox 21 and Iron, both worked fine. … Read more

Generating PDF files with JavaScript

I’ve just written a library called jsPDF which generates PDFs using Javascript alone. It’s still very young, and I’ll be adding features and bug fixes soon. Also got a few ideas for workarounds in browsers that do not support Data URIs. It’s licensed under a liberal MIT license. I came across this question before I started writing … Read more

Print Pdf in C#

A very straight forward approach is to use an installed Adobe Reader or any other PDF viewer capable of printing: Another way is to use a third party component, e.g. PDFView4NET