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Preview of Open PDF in Default PDF Reader (Instead of FF)

Open PDF in Default PDF Reader (Instead of FF) by Keven Lee

Open PDF links in your system's default PDF reader instead of the built-in browser viewer. Use Acrobat, Sumatra, Preview, or any external app with one click.

5 (1 review)
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About this extension
Want PDFs to open in Adobe Acrobat, Sumatra PDF, Preview, or another app you already use?

This extension sends PDF links to your computer's default PDF reader instead of the built-in browser viewer.
  • Open PDFs externally in one click
  • Use familiar tools for annotate, search, and print
  • Control when links stay inline or launch outside
  • Works on common direct PDF links and downloads

Install once and read documents the way you prefer.
Rated 5 by 1 reviewer

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Permissions and data

Required permissions:

  • Exchange messages with programs other than Firefox
  • Block content on any page
  • Download files and read and modify the browser’s download history
  • Display notifications to you
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Add-on Links
Version
3.5.0
Size
56.81 KB
Last updated
a day ago (Jul 12, 2026)
Version History
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