17 Most Popular WordPress Viewer Plugins

Darkens the current page and displays an image (like Lightbox, Thickbox, etc.), but is a lot smaller (10KB) and faster.

(Deprecated) This is the only official Issuu Plugin for Wordpress. The functionality is built into WordPress 4.0 and up.

Generate automatically cover image of PDF by using ImageMagick. Allow user to insert PDF link with thumbnail into editor and set as Featured Image.

This plugin simplifies embedding of Issuu publications in blog posts. Simply copy/paste the publication URL from your browser into your blog post.

Embed a beautiful PDF viewer into pages with a simple shortcode.

HTML5-compliant PDF Viewer for WordPress

Enables you to embed a SlideShare presentation just by putting its link in your WordPress post.

PDF flipbook viewer - all you need is a PDF : [flipbook pdf="https://flowpaper.com/example.pdf"]

Darkens the current page and displays an image (like Lightbox, Thickbox, etc.), but is a lot smaller (8KB) and faster.

This plugin is for WordPress 2.1 and higher which simplifies the embedding of Joomag publications in blog posts.

This plugin allows simple embedding of Ustream.tv content.

A post and page utility displaying ALL posts/pages in a single view. Useful for sites with large volume of content that are regularly updated.

Add easy to use functionality to embed UStrem videos and broadcasts on your WordPress blog.

Uses the Scribd API to embed supported Scribd documents (e.g. PDF, MS Office, ePub, and many others) into a web page using the Scribd Docs Reader.

This plugin inserts a panoramic player into a WordPress article to view a 360 panoramic picture in QTVR format (.mov)

This plugin adds new slide views to your Lazyest Gallery.

Shows APC stats, opcode entries, user cache key/values etc. under Tools menu. WordPress compatible version of apc.php from pecl apc package.