PluginScout

PDF.js Viewer — WordPress PDF Plugin

by Ben Lawson · WordPress.org page · Website

v3.1.1 Tested up to WP 7.0.4 PHP 7.4+

PDF.js Viewer has 20,000+ active installs on WordPress.org and 445,936 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on April 21, 2026, tested up to WordPress 7.0.4.

PDF.js Viewer at a glance

Active installs
20,000+
Total downloads
445,936
Downloads, last 30 days
–
available after 30 days of tracking
30-day growth
–
tracking since September 4, 2026

Is PDF.js Viewer well maintained?

Support threads resolved
0 of 1
recent threads on the WordPress.org support forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1
One-star reviews
4%
2 of 53 reviews on WordPress.org

PDF.js Viewer reviews and ratings

53 reviews on WordPress.org, with the most recent ones as their authors posted them.

All reviews
4.4 out of 5

53 reviews

5★
37
4★
7
3★
4
2★
3
1★
2

Where PDF.js Viewer ranks on WordPress.org

The rankings we track that PDF.js Viewer appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best PDF Plugins #9 by tag, #61 in search #20 –

PDF.js Viewer alternatives

Plugins that solve the same problem, ranked by how closely they overlap with PDF.js Viewer.

All PDF.js Viewer alternatives

Details

Embed a beautiful PDF viewer into pages.

The full description, screenshots and every review live on the WordPress.org page.

Rankings PDF.js Viewer competes in

Tags

  • embed
  • mozilla
  • pdf
  • pdfjs
  • viewer
Version
3.1.1
Last updated
Apr 21, 2026
First published
Nov 1, 2013
Requires WordPress
5.0
Tested up to
7.0.4
Requires PHP
7.4
Pricing
Free on WordPress.org

PDF.js Viewer FAQ

How many active installs does PDF.js Viewer have?

WordPress.org reports 20,000+ active installs for PDF.js Viewer as of September 7, 2026.

Is PDF.js Viewer still maintained?

Yes. The last release was on April 21, 2026 and it is tested up to WordPress 7.0.4.

Does PDF.js Viewer have good support?

On the WordPress.org forum, 0 of 1 recent support threads for PDF.js Viewer are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is PDF.js Viewer free?

PDF.js Viewer is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does PDF.js Viewer rank among PDF Plugins?

PDF.js Viewer is #20 in the WordPress.org PDF Plugins ranking.