PDF Viewer

PDF Viewer

Uses HTML5 to display PDF files directly in the browser.

  • PDF Viewer
  • PDF Viewer
What is PDF Viewer?
'PDF Viewer' is a Chrome extension built on HTML5. Supported by Mozilla Labs, it aims to offer a web standards-based platform for parsing and rendering PDFs. This extension sets PDF.js as your default PDF viewer in Chrome, enabling the viewing of local files. It also includes opt-out telemetry. Known issues include an inability to view PDF files generated via a form or POST request.
By: Rob W
Users: 1,000,000+
Version: 4.3.84 (Last updated: 2024-05-21)
Creation date: 2019-09-13
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • fileBrowserHandler
  • webRequest
  • webRequestBlocking
  • <all_urls>
  • tabs
  • webNavigation
  • storage
Size: 3.31M
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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PDF.js is a Portable Document Format (PDF) viewer that is built with HTML5.

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

This extension provides PDF.js as the default PDF viewer in Chrome.

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
User reviews summary
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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Improved PDF viewing experience
  • Ability to remember last read page
  • Allows adding text to PDF files
  • Does not work on downloaded files
  • Issue with displaying characters
  • Changes favicon of tabs
Most mentioned
  • Improved PDF viewing experience
  • Does not work on downloaded files
  • Ability to remember last read page
Recent reviews
Best pdf viewer in Chrome web store.
by Ying Wang Ying Wang, 2024-02-17

No dark mode. Blocks 'Dark Reader' with 'This page is protected by browser'
by Thomas Lynch Thomas Lynch, 2024-07-15

made my laptop useable again
by Mark W Mark W, 2024-07-05
View all user reviews
Risk impact

PDF Viewer is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install PDF Viewer if you trust the publisher.

Risk likelihood

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

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Promo images
PDF Viewer small promo image
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