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.

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Alternatives list

  1. Kdan PDF SDK icon

    Kdan PDF SDK

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    Enables seamless PDF rendering, editing, and annotation in iOS, Android, and Windows apps with a stable, customizable engine, complete API, cross-language compatibility, flexible plans, easy documentation, free demo, yearly and non-renewal options, and UI customization.

    Cost / License

    • Subscription
    • Proprietary

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Kdan PDF SDK for iOS_1
     
  2. Minimal eReader icon

    Minimal eReader

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    Blazing fast PDF and portable eReader built on muPDF. Including the ability to save "highlights" and notes like on Kindle.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Minimal eReader screenshot 1
     
  4. Jumpdf icon

    Jumpdf

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    Jumpdf is a keyboard-focused PDF viewer for documents where one needs to jump between different sections of the document frequently.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Jumpdf screenshot 1
     
  5. Ad
    Screenshot
    iTop PDF icon
    iTop PDF

    Comprehensive PDF tool for viewing, editing, annotations, and conversion between formats like Word, Excel, or PPT. Features include encryption, redaction, and fast batch processing.

    https://pdf.itopvpn.com
    Learn More
  6. PDF Reflow icon

    PDF Reflow

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    The first AI-powered PDF reader that adapts to your screen.

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • iPhone
    • iPad
    PDF Reflow screenshot 1
    PDF Reflow screenshot 2
    PDF Reflow screenshot 3
     

  7. Paperboy

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

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Linux
    Paperboy screenshot 1
     
  8. Foobnix PDF Reader icon

    Foobnix PDF Reader

     2 likes
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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.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
    • Android Tablet
    Foobnix PDF Reader screenshot 1
     
  10. Hexye PDF Tools icon

    Hexye PDF Tools

     1 like
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    Hexye PDF Tools is a fast, privacy-focused online suite for editing PDFs — split, rotate, merge, and more — directly in your browser without uploading files.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Hexye PDF Tools screenshot 1
     
  11. ZeroUploadPDF icon

    ZeroUploadPDF

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    A privacy-first PDF tool suite that processes files entirely in your browser. Merge, split, and convert PDFs without ever uploading them to a server.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    A privacy-first PDF tool suite that processes files entirely in your browser. Merge, split, and convert PDFs without ever uploading them to a server.
     
  12. 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.

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

    • Windows
    TaoMaxDavi PDF Editor screenshot 1
     
  13. 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.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
     
  14. 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...

    Cost / License

    • Pay once
    • Proprietary

    Application type

    Platforms

    • Windows
    Merge PDF screenshot 1
     
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