WPIntell

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mozilla

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Competitors

1 shown
PDF.js Viewer 20.0K installs · 4.4
praise owner
-100.0%momentum 54.0weakness 14/30pain/praise

Pain still appears around bugs, compatibility despite praise for quality, easy.

complaint Security Vulnerability in pbkdf2 Dependency (CVE-2025-6547)

Security Vulnerability in pbkdf2 Dependency (CVE-2025-6547): users show security, bugs, support pain that may indicate a product gap.

PDF.js Viewer · Security Vulnerability in pbkdf2 Dependency (CVE-2025-6547) I’m reaching out regarding a critical security advisory that may affect your plugin.
mixed not work in edge

not work in edge: users show security, bugs pain that may indicate a product gap.

PDF.js Viewer · We keep trying different things, but the only solution seems to be telling Edge that the site isn’t a security concern.
praise thanks for quick support

thanks for quick support: users show bugs, compatibility, support pain that may indicate a product gap.

PDF.js Viewer · thanks for quick support Thanks for version 1.5.1, everything works fine.
complaint Stopped working after upgrade to v3.0.3.1

After upgrading PDF.js Viewer, PDFs failed to load in Chrome and Safari until version 3.0.4 resolved the issue.

PDF.js Viewer · my users would then get no working pdf pages
mixed Plugin not working since you updated

Plugin not working since you updated: users show support pain that may indicate a product gap.

PDF.js Viewer · Please check the Support Threads.
complaint Not working

Not working: users show support pain that may indicate a product gap.

PDF.js Viewer · If you want to open a support thread, we can try and look into it.
complaint Plugin stop working

Plugin stop working: users show support pain that may indicate a product gap.

Foxy Board · Can you help me?
mixed PDJ.js Not showing in Elementor Widgets

The PDF viewer widget is still missing from Elementor on one site even after the author added a widget and the user reinstalled the plugin.

PDF.js Viewer · The PDJjs widget still does not appear in my list of widgets.
mixed List of allowed domains for PDFs

The user needs a built-in PDF allowed-domain list because plugin updates overwrite their custom code for showing PDFs from an asset-storage domain.

PDF.js Viewer · every time the plugin is updated, we need to update our custom code as well
mixed Latest version issues

PDF.js Viewer updates caused PDFs not to display because of cache and PDF.js library conflicts, while another user requested CORS loading to avoid using a second plugin.

PDF.js Viewer · PDFs don’t show in Safari, Chrome or any mobile browsers I could check
complaint hidden problem

After updating PDF.js Viewer, Gutenberg block settings to hide toolbar buttons no longer worked, forcing the user to downgrade to restore the hidden controls.

PDF.js Viewer · I downgraded to the version of 2.13 and it sucessivefully hided all buttons
question Can I change the Request URL to something other than a PDF file?

Can I change the Request URL to something other than a PDF file?: question conversation with limited structured signal.

PDF.js Viewer · Can I change the Request URL to something other than a PDF file? In the edit screen of a WordPress post, select the pdf using the “PDF.js Embed” block of the PDF.js viewer. In this case, when you look at the post screen, the Request URL will be http://~~/~~.pdf . Can I change this Request URL to something other than a pdf file? In the edit screen of a WordPr
complaint Update 2.2.2 gave me an error

After updating PDF.js Viewer from 2.2 to 2.2.2, the user's PDF embeds stopped working and support only suggested reinstalling.

PDF.js Viewer · when I updated to version 2.2.2, they stopped working
neutral Suggested feature: Update all pre-existing PDF links

The user requested an option to automatically convert all existing site PDF links to open through the PDF.js viewer instead of editing them manually.

PDF.js Viewer · Otherwise, this is a manual process.
question How to update the domain name in the shortcode?

After copying a live site to staging, the user needed a bulk way to change many PDF shortcode domains.

PDF.js Viewer · There are several dozen PDF pages on this site. Is there a way to change the domain name en-masse?
praise Open fullscreen in new tab

Open fullscreen in new tab: users show bugs, missing feature, support pain that may indicate a product gap.

PDF.js Viewer · There is little problem, in the setting I already enable the “Fullscreen Links in New Tabs”, then I create a new content with PDF file, but the fullscreen pdf still on the same tab, not a new tab.
complaint 403 Forbidden

The PDF viewer still returned 403 forbidden even after reinstalling and enabling the alternative loading mode recommended for restrictive hosts.

PDF.js Viewer · I’ve even deleted the plugin and reinstalled and it still gives this message.
mixed PDF.js Viewer is not working anymore

A WordPress update broke the PDF.js Viewer block on a LiteSpeed site, and the maintainer released a fix while the user also found a MIME type workaround.

PDF.js Viewer · the latest WordPress update broke PDF.js Viewer block on my website
complaint 3.0.3.1 & 3.0.3 Not Working – 3.0.2 Works

Recent PDF viewer versions stopped displaying PDFs until the user deleted and reinstalled plugin files.

PDF.js Viewer · I had to rollback two versions before I could see the PDF’s
complaint Fullscreen → Security Check Failed

PDF.js Viewer showed a WordPress security error when opening fullscreen, and the developer confirmed it was a bug that needed a fix.

PDF.js Viewer · Then we get a wordpress error screen: Security Check Failed
praise Not working

Not working: users show bugs, support pain that may indicate a product gap.

PDF.js Viewer · Are there any CORS issues?
complaint Update 2.2.3 broken in firefox browsers

PDF.js Viewer 2.2.3 failed to show PDFs in Firefox due to console errors, though the user later said it seemed fixed after cache clearing.

PDF.js Viewer · Update 2.2.3 is sadly generating console errors such as.. Uncaught (in promise) TypeError
mixed Forbidden

A user suggested bundling an htaccess rule to prevent PDF viewer forbidden errors, but later concluded the issue was likely specific to their Wordfence setup.

PDF.js Viewer · If you don’t remember to do this, you’ll get a PDF Forbidden error after you’ve upgraded.
complaint Son güncellemede pdf içerikler görünmüyor

After an update, PDF content stopped showing until cache issues were resolved with support guidance.

PDF.js Viewer · son yapılan güncellemede, pdf içeriği görünmemekte. tekrardan bir önceki sürüme gectim.
praise version 2.2 not working

version 2.2 not working: users show bugs, support pain that may indicate a product gap.

PDF.js Viewer · I don’t want to underestimate the rating, because the plugin worked great for many years before.
praise Great Support

Great Support: users show bugs, support pain that may indicate a product gap.

PDF.js Viewer · 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.
praise Works, easy, elegant

Works, easy, elegant: users show bugs, missing feature pain that may indicate a product gap.

PDF.js Viewer · Works, easy, elegant It’s everything I wanted so that I can offer a full range of options to my viewers.
mixed PDFs not showing after update

After updating PDF.js Viewer, PDFs failed due to a worker version mismatch until Redis object cache was cleared.

PDF.js Viewer · The API version “5.5.207” does not match the Worker version “5.4.449”.
praise I tried to switch to a black theme, but I failed

I tried to switch to a black theme, but I failed: users show compatibility pain that may indicate a product gap.

PDF.js Viewer · I tried to switch to a black theme, but I failed How do I switch to black theme, I see the old version is black How do I switch to black theme, I see the old version is black The theme matches the OS theme now.
praise Works Perfectly on Latest WordPress

Works Perfectly on Latest WordPress: users show compatibility pain that may indicate a product gap.

PDF.js Viewer · Works Perfectly on Latest WordPress The pdf.js plugin works perfectly in WordPess 4.9.8.
praise Excellent PDF EMbedder

Excellent PDF EMbedder: users show pricing pain that may indicate a product gap.

PDF.js Viewer · 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!
praise Great! (ノ◕ヮ◕)ノ*:・゚✧

Great! (ノ◕ヮ◕)ノ*:・゚✧: users show compatibility pain that may indicate a product gap.

PDF.js Viewer · Great!
praise Excellent plugin does exactly what it says

Excellent plugin does exactly what it says: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Excellent plugin does exactly what it says Very easy to use, with loads of options.
praise The best PDF viewer for WordPress

The best PDF viewer for WordPress: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · The best PDF viewer for WordPress It is a simple plugin that does its job really well.
praise Best pf viewer

Best pf viewer: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Best pf viewer I tried about 10 viewer plugins and I can guarantee this is the best one!
praise Works with Astra and BB

Works with Astra and BB: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Works with Astra and BB I was looking for something to hide the download option for pdf embeds.
praise Works Great

Works Great: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Works Great Plugin is easy to use and has all the options I wanted Plugin is easy to use and has all the options I wanted
praise Simple and full functionality

Simple and full functionality: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Simple and full functionality A simple and complete embed pdf plugin, without unnecessary frills.
praise Very nice

Very nice: users show missing feature pain that may indicate a product gap.

PDF.js Viewer · Very nice Very nice 👍 But it is desirable if the viewer has a file download feature in progression So that pages are not loaded unless the user lands on them Very nice 👍 But it is desirable if the viewer has a file download feature in progression So that pages are not loaded unless the user lands on them That feature would have to be in Mozilla’s library and
praise great

great: users praise quality, which suggests what competitors already do well.

PDF.js Viewer · great great!