PDF.js Viewer vs Code Embed (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, PDF.js Viewer has a higher user rating (4.4/5 from 53 reviews) and leads in active installations (20K+ vs 10K+). Both are free WordPress plugins. PDF.js Viewer has accumulated 407K+ total downloads while Code Embed has 514K+.
Detailed Comparison
| Metric | PDF.js Viewer | Code Embed | |
|---|---|---|---|
| Rating | 4.4/5 | 4.4/5 | |
| Total Reviews | 53 | ◄ | 45 |
| Active Installs | 20K+ | ◄ | 10K+ |
| Total Downloads | 407K+ | ► | 514K+ |
| Support Resolution | 50% | N/A | |
| Last Updated | 1 week ago | ◄ | 2 weeks ago |
| First Released | 2013 | 2009 | |
| Age | 13 years | 17 years | |
| WP Requires | 5.0+ | 4.6+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 3.0.4 | 2.5.2 |
Rating Breakdown
PDF.js Viewer
Code Embed
Download Trends
Over the past 30 days, PDF.js Viewer averaged approximately 693 daily downloads while Code Embed averaged 378.
Recent Reviews
PDF.js Viewer Reviews
Never failed
I’ve been using for years and never failed. Simple to use and does the job.
Excellent PDF EMbedder
I have been usiong a paid pdf plugin but it’s been months now with a bad fault so i tried this – perfect! Thank you very much.
Great Support
I was impressed with the level of support provided with the recent issue where the plugin stopped displaying due to Mozilla’s PDFjs, and they started using mjs files. Thank you for an excellent plu
Code Embed Reviews
Not Helpful
I was working on a client site and I can someone had installed code embed previously but somehow it got forgetten about. Its putting in code even when deactivated.But I have no way of adding code neve
No FAQ – not able to use it
Although page says “see FAQ” there is NO FAQ. Wasted a lot of time trying to get this to work. Someone raised this a year ago and no change has been made. Clearly no support or interest in helping
useful plugin
I have good experience with it. Nice plugin.
More Embed Worth Comparing
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Frequently Asked Questions
Is PDF.js Viewer or Code Embed more popular?
Which has better ratings — PDF.js Viewer or Code Embed?
Are PDF.js Viewer and Code Embed free?
Which plugin has better support — PDF.js Viewer or Code Embed?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.