PDF.js Viewer
v3.2.0by Ben Lawson · updated 13 days ago
Embed a beautiful PDF viewer into pages.
- Rank
- #1,181
- No change0 vs yesterday
- Active installs (est.)
- ≈ 25,000
- 20K+ reported · Medium
- Total downloads
- 464.6K
- 464,563 all-time
- Rating
- 4.4/5
- 53 reviews
- Support resolved
- 0%
- 0 of 2 threads, last 2 months
PDF.js Viewer at a glance
PDF.js Viewer is a WordPress plugin by Ben Lawson with 20K+ active installs, the #1,181 most popular plugin on WordPress.org. On a typical day it’s downloaded about 368 times, 37% more than the month before. It’s rated 4.4 out of 5 from 53 reviews. Version 3.2.0 came out on Oct 26, 2026 and is tested up to WordPress 7.0.8. It leads the 2 plugins tagged “mozilla”. It was first released in 2013.
Chart time range
Applies to every chart below. History from Oct 10, 2026, 30 days.
Downloads over time
Download stats14.7K downloads · the last 30 days
View as table
| Date | PDF.js Viewer |
|---|---|
| Nov 7, 2026 | 168 |
| Nov 6, 2026 | 302 |
| Nov 5, 2026 | 281 |
| Nov 4, 2026 | 375 |
| Nov 3, 2026 | 361 |
| Nov 2, 2026 | 425 |
| Nov 1, 2026 | 250 |
| Oct 31, 2026 | 270 |
| Oct 30, 2026 | 479 |
| Oct 29, 2026 | 901 |
| Oct 28, 2026 | 1,250 |
| Oct 27, 2026 | 1,945 |
| Oct 26, 2026 | 5,712 |
| Oct 25, 2026 | 124 |
| Oct 24, 2026 | 103 |
| Oct 23, 2026 | 220 |
| Oct 22, 2026 | 288 |
| Oct 21, 2026 | 178 |
| Oct 20, 2026 | 111 |
| Oct 19, 2026 | 133 |
| Oct 18, 2026 | 70 |
| Oct 17, 2026 | 66 |
| Oct 16, 2026 | 110 |
| Oct 15, 2026 | 106 |
| Oct 14, 2026 | 118 |
| Oct 13, 2026 | 99 |
| Oct 12, 2026 | 114 |
| Oct 11, 2026 | 88 |
| Oct 10, 2026 | 72 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 25,343 · +1.0% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 25,343 |
| Nov 7, 2026 | 25,285 |
| Nov 5, 2026 | 25,311 |
| Nov 4, 2026 | 25,239 |
| Nov 3, 2026 | 25,240 |
| Nov 2, 2026 | 25,230 |
| Nov 1, 2026 | 25,314 |
| Oct 31, 2026 | 25,385 |
| Oct 30, 2026 | 25,501 |
| Oct 29, 2026 | 25,430 |
| Oct 28, 2026 | 25,309 |
| Oct 27, 2026 | 25,102 |
Rank over time
#1,181 · up 11 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | #1,181 |
| Nov 8, 2026 | #1,181 |
| Nov 7, 2026 | #1,181 |
| Nov 6, 2026 | #1,182 |
| Nov 5, 2026 | #1,182 |
| Nov 4, 2026 | #1,183 |
| Nov 3, 2026 | #1,185 |
| Nov 2, 2026 | #1,186 |
| Nov 1, 2026 | #1,187 |
| Oct 31, 2026 | #1,187 |
| Oct 30, 2026 | #1,188 |
| Oct 29, 2026 | #1,187 |
| Oct 28, 2026 | #1,189 |
| Oct 27, 2026 | #1,189 |
| Oct 16, 2026 | #1,192 |
Growth %
Average +0.08% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | +0.23% |
| Nov 7, 2026 | -0.05% |
| Nov 5, 2026 | +0.28% |
| Nov 4, 2026 | -0.00% |
| Nov 3, 2026 | +0.04% |
| Nov 2, 2026 | -0.33% |
| Nov 1, 2026 | -0.28% |
| Oct 31, 2026 | -0.46% |
| Oct 30, 2026 | +0.28% |
| Oct 29, 2026 | +0.48% |
| Oct 28, 2026 | +0.82% |
Active installs band
20K+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | 20K+ |
| Nov 8, 2026 | 20K+ |
| Nov 7, 2026 | 20K+ |
| Nov 6, 2026 | 20K+ |
| Nov 5, 2026 | 20K+ |
| Nov 4, 2026 | 20K+ |
| Nov 3, 2026 | 20K+ |
| Nov 2, 2026 | 20K+ |
| Nov 1, 2026 | 20K+ |
| Oct 31, 2026 | 20K+ |
| Oct 30, 2026 | 20K+ |
| Oct 29, 2026 | 20K+ |
| Oct 28, 2026 | 20K+ |
| Oct 27, 2026 | 20K+ |
| Oct 16, 2026 | 20K+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where PDF.js Viewer ranks in search
Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.
Change log
From our daily snapshot of WordPress.org- Rank #1189 → #1182Downloads +135%
- Tested up to 7.0.7 → 7.0.8
- Rank #1192 → #1185Downloads +215.3%
- Released 3.2.0 (was 3.1.1)
Versions in use
Share of active installs on each published version, from WordPress.org.
- v3.234%
- v3.128%
- v2.216%
- v2.111%
- Other12%
Rating trend
4.4★★★★★53 reviews · steady in the last 30 days
Requirements & info
Version history- Version
- 3.2.0
- Requires WordPress
- 5.0
- Tested up to
- 7.0.8
- Requires PHP
- 7.4
- First released
- Nov 1, 2013
- Last updated
- Oct 26, 2026
- Releases, last 12 months
- …
Questions about PDF.js Viewer
How many websites use PDF.js Viewer?
PDF.js Viewer is active on 20K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #1,181 most popular plugin on WordPress.org.
How many times has PDF.js Viewer been downloaded?
464,563 times in total since 2013. On a typical day it’s downloaded about 368 times. See download stats
When was PDF.js Viewer last updated?
Version 3.2.0 came out on Oct 26, 2026 (1 week ago). See every release
Is PDF.js Viewer compatible with the latest WordPress?
It’s tested up to WordPress 7.0.8, one version behind the current 7.1. Authors often update this line a few weeks after a release.
Does PDF.js Viewer have known security vulnerabilities?
None that affect the current version. WPVulnerability’s database lists 3 older issues, fixed in earlier versions, so keep PDF.js Viewer up to date. See its security record
Is PDF.js Viewer still maintained?
Yes. Its last release was 1 week ago. Its authors resolved 0 of the 2 support threads opened in the last two months.
What rating does PDF.js Viewer have?
4.4 out of 5 from 53 reviews on WordPress.org. 70% of them give 5 stars.
What are the best alternatives to PDF.js Viewer?
The plugins most like PDF.js Viewer, by the tags they share, are Embed PDF Viewer (20K+), PDF Viewer Block for Gutenberg (10K+) and PDF viewer for Elementor & Gutenberg (9K+). Compare all alternatives
Latest reviews
Analyze reviewsReview stats
4.4
★★★★★
53 reviews
- 5 stars: 37 reviews, 70%
- 4 stars: 7 reviews, 13%
- 3 stars: 4 reviews, 8%
- 2 stars: 3 reviews, 6%
- 1 stars: 2 reviews, 4%
- Positive
- 83%4–5★
- Mixed
- 8%3★
- Critical
- 9%1–2★
- About 6 more 5★ reviews would lift it to 4.5.
- Each new 1★ review takes 6 five-star reviews to balance out.
Compare with competitors
Add up to 1 competitor. No account needed.
| Metric | |
|---|---|
| Estimated installs | ≈ 25,000 |
| Reported installs | 20K+ |
| Rating | 4.4 |
| Reviews | 53 |
| Total downloads | 464.6K |
| Author | Ben Lawson |
| First released | Nov 1, 2013 |
| Version | 3.2.0 |
| Requires WP | 5.0 |
| Requires PHP | 7.4 |
| Last updated | Oct 26, 2026 |
Alternatives to PDF.js Viewer
Compare all alternativesPopular plugins with the same tags, the most in common first.
Embed PDF Viewer
by Andy Fragen
Embed a PDF from the Media Library or elsewhere via oEmbed or as a block into an iframe tag.
- Rank
- #1,196
- Installs
- 20K+
- 4.7
PDF Viewer Block for Gutenberg
by Jb Audras
A simple and 100% free Gutenberg Block to display PDF Viewers / Readers on your website.
- Rank
- #1,760
- Installs
- 10K+
- 4.8
PDF viewer for Elementor & Gutenberg
by Kaz Kadalashvili
Embed PDF files into Elementor and Gutenberg pages with the PDF.js viewer.
- Rank
- #2,163
- Installs
- 9K+
- 5.0
Vanilla PDF Embed
by Mike Doherty
Embeds PDFs in your pages and posts, without using JS.
- Rank
- #3,768
- Installs
- 3K+
- 4.6
Embedly
by Embedly
The Embedly Plugin extends WordPress's auto-embed feature to give your blog more media types and style options.
- Rank
- #4,393
- Installs
- 2K+
- 3.5
PDF Smart Viewer for Elementor
by DeKnows
A simple PDF viewer widget for Elementor that displays PDFs directly on your website.
- Rank
- #5,339
- Installs
- 1K+
- 3.0
Side by side:PDF.js Viewer vs Embed PDF ViewerPDF.js Viewer vs PDF Viewer Block for GutenbergPDF.js Viewer vs PDF viewer for Elementor & Gutenberg