PDF Viewer

Uses HTML5 to display PDF files directly in the browser.

PDF Viewer - Chrome Extension by Mozilla

"PDF Viewer" is a Chrome extension based on PDF.js, created to provide a web standards-based platform for viewing PDF files directly in your browser. Supported by Mozilla, this extension ensures a seamless PDF viewing experience. Users can enable access to local files through settings and report issues on GitHub. Note that PDF files generated via form submissions may not be viewable. The extension includes opt-out telemetry for privacy considerations.
Install from Chrome Web Store

Extension stats

Users: 1,000,000+
Rating: 3.29
(2,655)
Version: 4.6.129 (Last updated: 2024-10-28)
Creation date: 2019-09-13
Risk impact: High risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • alarms
  • declarativeNetRequestWithHostAccess
  • webRequest
  • tabs
  • webNavigation
  • storage
Host permissions:
  • <all_urls>
Size: 3.37M

Other platforms

PDF Viewer (v5.0.2)
4.52 (401) 313,191+
Not available on Firefox
Not available on Edge
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Extension summary

PDF.js is a Portable Document Format (PDF) viewer that is built with HTML5.

PDF.js is community-driven and supported by Mozilla. Our goal is to create a general-purpose, web standards-based platform for parsing and rendering PDFs.

This extension offers PDF.js as the default PDF viewer in Chrome. This is the official Chrome extension of the PDF.js project. Be careful of unrelated copycats.

If you want to use this viewer to view local files, visit chrome://extensions/?id=oemmndcbldboiebfnladdacbdfmadadm and put a check before "Allow access to file URLs".

Please report any issues at https://github.com/mozilla/pdf.js/issues

Don't have a Github account? I also accept feedback at [email protected]

Known issue: PDF files generated via a form (POST request) cannot be viewed.

Contains opt-out telemetry since version 1.5.285, see https://github.com/Rob--W/pdfjs-telemetry#privacy-policy

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Lightweight and smooth performance
  • Better PDF reader than the built-in one
  • Allows reading PDFs without downloading them
  • Intuitive to use with familiar shortcuts
Cons
  • Issues with opening PDFs directly in new tabs
  • Recent changes prompting downloads instead of opening in the viewer
  • Incompatibility with dark mode extensions
  • Not functioning properly for some users
Most mentioned
  • Performance issues after recent updates
  • Preference for reading PDFs without downloading
  • Comparison to other PDF readers indicating a decline in functionality
  • Desire for features like dark mode or disabling prompts
User reviews
by Vasiliki Koliogianni, 2024-12-19

The only usable, and great PDF alternative for default Chrome built in PDF viewer! Faster, Lighter, and Smoother!!! If the extension can download the pdf automatically and open pdf at the same time, just like what Firefox do, that's would be even better!
by Leo Li, 2024-11-27

best lightweight pdf viewer and annotator available
View all user reviews

Extension safety

Risk impact

PDF Viewer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

PDF Viewer has earned a good reputation and can be trusted.

Upgrade to see risk analysis details

Promo images

PDF Viewer small promo image
Small promo image

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