Firefox PDF Viewer (PDF.js) Alternatives

Firefox PDF Viewer (PDF.js) is described as 'PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin' and is a very popular PDF Reader in the web browsers category. There are more than 50 alternatives to Firefox PDF Viewer (PDF.js) for a variety of platforms, including Windows, Linux, Mac, Android and Web-based apps. The best Firefox PDF Viewer (PDF.js) alternative is SumatraPDF, which is both free and Open Source. Other great apps like Firefox PDF Viewer (PDF.js) are Okular, Foxit PDF Reader, Evince and MuPDF.

Firefox PDF Viewer (PDF.js) iconFirefox PDF Viewer (PDF.js)
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PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within...

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Firefox PDF Viewer (PDF.js) alternatives page was last updated Feb 18, 2025
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  1. Secure PDF Viewer icon

    Secure PDF Viewer

     16 likes
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    Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Android
    Secure PDF Viewer screenshot 1
    Secure PDF Viewer screenshot 2
    Secure PDF Viewer screenshot 3

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Security-focused

    Features

    1.  Ad-free
    2.  Works Offline
    3.  No Permissions required

    Secure PDF Viewer VS Firefox PDF Viewer (PDF.js)

     
  2. KDAN PDF Reader icon

    KDAN PDF Reader

     184 likes
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    KDAN PDF Reader is tailored for a hybrid workplace, providing AI-driven PDF document services to enhance efficiency in cross-device document management and enable seamless workflows across mobile and desktop platforms.

    241 KDAN PDF Reader alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • TW flagTaiwan

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Your All-in-One PDF Editor

    Properties

    1.  Privacy focused

    Features

    1.  Scan documents
    2.  Freehand Writing
    3.  Sign PDF files
    4.  Multiple languages
    5.  PDF compression
    6.  Combine PDF
    7.  Full-Text Search
    8.  Split PDF files
    9.  Built-in viewer
    10.  Dark Mode
    11.  Text to Speech
    12.  Works Offline

    KDAN PDF Reader VS Firefox PDF Viewer (PDF.js)

     
    Comments about KDAN PDF Reader as an Alternative to Firefox PDF Viewer (PDF.js)
    Rosalind Morris
    Positive •Feb 22, 2019
    0

    PDF Reader is reliable and does its job faster.

    Firefox PDF Viewer (PDF.js) Icon
    KDAN PDF Reader icon
    • KDAN PDF Reader is Freemium and ProprietaryFirefox PDF Viewer (PDF.js) is Free and Open Source
    • KDAN PDF Reader is Privacy focusedFirefox PDF Viewer (PDF.js) is not according to our users
  4. zathura icon

    zathura

     43 likes
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    Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.

    71 zathura alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Linux
    • BSD
    • MacPorts
    • Homebrew
    Bestfit

    Properties

    1.  Lightweight

    Features

    1.  Full-Text Search
    2.  Ad-free
    3.  Extensible by Plugins/Extensions
    4.  Works Offline
    5.  Vim Key Mapping
    6.  Vi keybindings

    zathura VS Firefox PDF Viewer (PDF.js)

     
  5. Ad
    Screenshot
    Adobe Acrobat Reader icon
    Adobe Acrobat Reader

    Seamlessly view, annotate, and collaborate on PDFs with freehand drawing and sticky notes. Utilize cloud storage for effortless access and upgrade for advanced editing and conversion to formats like Word and Excel.

    https://www.adobe.com
    Learn More
  6. Lector - PDF Reader icon

    Lector - PDF Reader

     15 likes
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    A simple PDF Reader built using Electron and PDF.js.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Windows
    Tabbed View
    Discontinued

    Last release from August 2019.

    Properties

    1.  Lightweight
    2.  Minimalistic

    Features

    1.  Electron based

    Lector - PDF Reader VS Firefox PDF Viewer (PDF.js)

     
  7. Document Viewer icon

    Document Viewer

     50 likes
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    Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .

    151 Document Viewer alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    library view
    settings
    Discontinued

    The last version (2.7.4) was released in March 2016.

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Customizable

    Features

    1.  Works Offline
    2.  No registration required
    3.  No Tracking

    Document Viewer VS Firefox PDF Viewer (PDF.js)

     
  8. Atril icon

    Atril

     15 likes
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    Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...

    106 Atril alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • BSD

    Properties

    1.  Lightweight

    Features

    1.  Dark Mode
    2.  Ad-free
    3.  PDF annotation
    4.  Text to Speech
    5.  Support for Javascript

    Atril VS Firefox PDF Viewer (PDF.js)

     
  10. qpdfview icon

    qpdfview

     44 likes
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    qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Haiku
    • Qt
    qpdfview screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Fill PDF Forms
    2.  Support for Right-to-Left
    3.  Edit PDF
    4.  QT Based
    5.  Tabbed interface

    qpdfview VS Firefox PDF Viewer (PDF.js)

     
  11. Adobe Acrobat PDF Extension icon

    Adobe Acrobat PDF Extension

     Like
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    Do more than just view your PDF files online. With the Acrobat extension, you can mark up proposals, leave sticky note comments, and use your favorite PDF tools without leaving your browser.

    2 Adobe Acrobat PDF Extension alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Google Chrome
    • Microsoft Edge

    Adobe Acrobat PDF Extension Features

    1.  PDF compression
    2.  PDF annotation
    3.  Sign PDF files
    4.  Combine PDF
    5.  AI-Powered
    6.  Built-in PDF converter

    Adobe Acrobat PDF Extension VS Firefox PDF Viewer (PDF.js)

     
  12. Chrome PDF Viewer Plug-in icon

    Chrome PDF Viewer Plug-in

     58 likes
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    In version 8, Google Chrome introduced a free PDF viewer, installed by default. While this plug-in lacks many features of the Adobe Acrobat Plug-in, it is much faster and lighter, and updates with the browser rather than an external utility.

    72 Chrome PDF Viewer Plug-in alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    Chrome PDF Viewer Plug-in screenshot 1

    Chrome PDF Viewer Plug-in Features

    1.  Convert PDF to Word document

    Chrome PDF Viewer Plug-in VS Firefox PDF Viewer (PDF.js)

     
  13. Google Scholar PDF Reader icon

    Google Scholar PDF Reader

     2 likes
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    Supercharge your paper reading: follow references, skim outline, jump to figures, cite and save.

    64 Google Scholar PDF Reader alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Google Chrome
    Google Scholar PDF Reader screenshot 1

    Google Scholar PDF Reader Features

    1.  Ad-free
    2.  Dark Mode

    Google Scholar PDF Reader VS Firefox PDF Viewer (PDF.js)

     
  14. Kami icon

    Kami

     17 likes
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    Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.

    81 Kami alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • NZ flagNew Zealand

    Platforms

    • Online
    • Google Chrome

    Kami Features

    1.  PDF annotation

    Kami VS Firefox PDF Viewer (PDF.js)

     
  15. SimplePDF icon

    SimplePDF

     1 like
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    Simple macOS PDF reader with ChatGPT integrated. You can chat with your local PDF. The returned response can cite the page number to ensure correctness.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    SimplePDF screenshot 1

    SimplePDF Features

    1.  AI-Powered

    SimplePDF VS Firefox PDF Viewer (PDF.js)

     
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