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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More about Firefox PDF Viewer (PDF.js)
Firefox PDF Viewer (PDF.js) alternatives page was last updated May 17, 2025
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  1. Google PDF Viewer icon

    Google PDF Viewer

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    PDF Viewing is now available directly in Google Drive. For environments where this cannot be deployed, Google PDF Viewer offers the same capabilities in a standalone app.

    71 Google PDF Viewer alternatives

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Android
    • Android Tablet
    Google PDF Viewer screenshot 1

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

     

  2. Paperboy

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    A small .pdf management tool with a command-line UI.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Linux
    Paperboy screenshot 1
    Discontinued

    The last version (1.7) is from October 2021.

    Paperboy VS Firefox PDF Viewer (PDF.js)

     
  4. Shelf (Maui Applications) icon

    Shelf (Maui Applications)

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    Shelf is a convergent document viewer that supports PDF and EPUB files. With Shelf, you can organize your document collection by creating tags, like other Maui applications.

    60 Shelf (Maui Applications) alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • MX flagMexico

    Platforms

    • Linux
    • Android
    Shelf (Maui Applications) screenshot 1

    Shelf (Maui Applications) VS Firefox PDF Viewer (PDF.js)

     
  5. Ad
    Screenshot
    Foxit PDF Reader icon
    Foxit PDF Reader

    Foxit Reader offers a lightweight PDF viewing experience across multiple platforms with features such as annotation, form filling, signing, cloud storage integration, collaborative review options, heightened security via Trust Ma...

    https://www.foxit.com
    Learn More
  6. Foobnix PDF Reader icon

    Foobnix PDF Reader

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    Book and Document Reader with PDF and DjVu support for comfortable reading. If you are looking for a good PDF reader, stop here, you have found it. It does what you expect it to do. You can easily lay down and read PDF books and documents with this app. The amazing enhancement d.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • SK flagSlovakia
    • European Union flagEU

    Platforms

    • Android
    • Android Tablet
    Foobnix PDF Reader screenshot 1

    Foobnix PDF Reader Features

    1.  Dark Mode
    2.  Integrated Search

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

     
  7. Genei icon

    Genei

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    AI powered productivity tool for reading, understanding and taking notes on PDFs and long websites. Users can search, summarise, extract and define keywords, ask google-search type questions and be taken straight to the answers.

    License model

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Google Chrome
    • Software as a Service (SaaS)
    Genei screenshot 1

    Properties

    1.  Educational

    Features

    1.  Workflow

    Genei VS Firefox PDF Viewer (PDF.js)

     
  8. Translator for PDF and EPUB icon

    Translator for PDF and EPUB

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    Translate book online.

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Online
    Translator for PDF and EPUB screenshot 1

    Translator for PDF and EPUB Features

    1.  Built-in viewer
    2.  Website Translation

    Translator for PDF and EPUB VS Firefox PDF Viewer (PDF.js)

     
  10. TaoMaxDavi PDF Editor icon

    TaoMaxDavi PDF Editor

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    TaoMaxDavi PDF Editor is a powerful, intuitive tool for viewing, annotating, modifying, merging, printing, and performing OCR on your PDF documents.

    License model

    Application types

    Country of Origin

    • IT flagItaly
    • European Union flagEU

    Platforms

    • Windows
    TaoMaxDavi PDF Editor screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Support for Themes

    Features

    1.  Fill PDF Forms
    2.  Split PDF files
    3.  No registration required
    4.  No Tracking
    5.  PDF annotation
    6.  Combine PDF
    7.  Ad-free
    8.  Dark Mode
    9.  Works Offline
    10.  PDF OCR

    TaoMaxDavi PDF Editor VS Firefox PDF Viewer (PDF.js)

     
  11. Read Right icon

    Read Right

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    Read Right is a free, lightweight PDF viewer for small portables. Documents are automatically rotated and scaled to fullscreen, so they can be read with the laptop held sideways like a book.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac

    Properties

    1.  Lightweight

    Read Right VS Firefox PDF Viewer (PDF.js)

     
  12. Merge PDF icon

    Merge PDF

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    Merge PDF is a user friendly PDF Reader. It is fully compatible with PDF file formats. It is a great value in comparison to other PDF Readers. It is part of Merge Soft Office. Now, Merge Soft Office is built on true 64-bit technology and it is being developed in 32-bit as well...

    License model

    Application type

    Platforms

    • Windows
    Merge PDF screenshot 1

    Merge PDF VS Firefox PDF Viewer (PDF.js)

     
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