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...

More about Firefox PDF Viewer (PDF.js)
More about Firefox PDF Viewer (PDF.js)
Firefox PDF Viewer (PDF.js) alternatives page was last updated Mar 6, 2025
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  1. pdfDocs icon

    pdfDocs

     30 likes
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    pdfDocs integrates with business systems to efficiently assemble, secure and distribute documents in PDF and PDF/A format.

    License model

    Application types

    Country of Origin

    • AU flagAustralia

    Platforms

    • Windows
    • Microsoft SharePoint
    • Worldox
    Main Page

    pdfDocs Features

    1.  PDF annotation
    2.  Edit PDF
    3.  Convert PDF to Word document
    4.  PDF Redaction
    5.  Create PDF files

    pdfDocs VS Firefox PDF Viewer (PDF.js)

     
  2. PdfDing icon

    PdfDing

     1 like
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    PdfDing is a browser based PDF manager, viewer and editor that you can host yourself. It offers a seamless user experience on multiple devices. It's designed be to be minimal, fast, and easy to set up using Docker.

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    • Docker
    • Kubernetes
    PdfDing screenshot 1

    Properties

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

    Features

    1.  Cloud Sync
    2.  Built-in viewer
    3.  File Tagging
    4.  PDF annotation
    5.  No Tracking
    6.  Dark Mode

    PdfDing VS Firefox PDF Viewer (PDF.js)

     
  4. PDFquiz.ai icon

    PDFquiz.ai

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    Unlock the potential of your PDF documents with PDFquiz.ai, the leading PDF to quiz converter. Effortlessly convert PDF to quiz with our AI quiz generator and AI test maker.

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    PDFquiz.ai screenshot 1

    PDFquiz.ai Features

    1.  AI-Powered

    PDFquiz.ai 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. Altarsoft PDF Reader icon

    Altarsoft PDF Reader

     3 likes
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    Altarsoft PDF Reader is a program for viewing and editing PDF files.

    Main Features:

    • open / save pdf files
    • zoom in / zoom out
    • rotate page
    • encrypt pdf file
    • decrypt pdf file
    • add annotations
    • add bookmarks
    • add watermarks
    • add attachments
    • convert images to pdf file.

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Altarsoft PDF Reader screenshot 1
    Discontinued

    The latest version (1.2) is from 2013.

    Altarsoft PDF Reader Features

    1.  Combine PDF
    2.  PDF annotation
    3.  PDF encryption

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

     
  7. Flipping PDF Reader icon

    Flipping PDF Reader

     8 likes
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    The Flipping PDF Reader allows to read PDF documents in user friendly interface with flipping book effect. Good looking and convenient alternative for Adobe PDF Reader.

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Windows
    Flipping PDF Reader screenshot 1
    Discontinued

    No update since 2011, you can still download it from the website.

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

     
  8. Perfect PDF Reader icon

    Perfect PDF Reader

     3 likes
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    Perfect PDF Reader functionality:

    • open, read, display any PDF file
    • print PDF documents
    • export PDF as plain text
    • export PDF by the page as images (not available in Adobe Reader!)
    • great number of navigation and display modes, zoom
    • rotate pages
    • send PDF file via email.

    License model

    • Free Personal • Proprietary

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    Perfect PDF Reader screenshot 1

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

     
  10. Jumpdf icon

    Jumpdf

     1 like
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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.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Jumpdf screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Ad-free
    2.  Dark Mode
    3.  Works Offline
    4.  No Tracking
    5.  No registration required
    6.  Support for Keyboard Shortcuts

    Jumpdf VS Firefox PDF Viewer (PDF.js)

     

  11. PrivatePDF

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    PrivatePDF is a free web tool that lets you make quick PDF edits from within your web browser, without uploading anything anywhere.

    License model

    • Free • Open Source

    Application type

    Platforms

    • Online
    • Self-Hosted
    PrivatePDF screenshot 1

    PrivatePDF Features

    1.  No registration required
    2.  Fill PDF Forms
    3.  Ad-free
    4.  Edit PDF

    PrivatePDF VS Firefox PDF Viewer (PDF.js)

     
  12. Xelitan PDF Reader icon

    Xelitan PDF Reader

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    Xelitan PDF Reader - is a fast and easy-to-use PDF viewer. Allows users to export embedded images, extract pages to PDF, remove pages from PDF documents and convert to PNG or JPEG images. It's free for home and commercial use.

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Windows
    Xelitan PDF Reader screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Works Offline
    2.  Full-Text Search
    3.  No registration required
    4.  Split PDF files
    5.  Ad-free

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

     

  13. PDF Previewer for Windows 8

     2 likes
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    An attorney who deals with a lot of PDFs set himself with the task of finding a way to preview the PDFs in Windows Explorer (much like Cover Flow view already does in Mac OS X) without actually opening them.

    License model

    • Free • Proprietary

    Platforms

    • Windows
    • Windows Explorer
    PDF Previewer for Windows 8 screenshot 1

    PDF Previewer for Windows 8 Features

    1. File Explorer icon  Windows Explorer Extension
    2.  PDF Preview

    PDF Previewer for Windows 8 VS Firefox PDF Viewer (PDF.js)

     
  14. Kdan PDF SDK icon

    Kdan PDF SDK

     1 like
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    Kdan PDF SDK is a universal mobile library for developers who want to render, manipulate and annotate PDF files in their iOS, Android, and Windows applications.

    License model

    Country of Origin

    • TW flagTaiwan

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Kdan PDF SDK for iOS_1

    Kdan PDF SDK Features

    Kdan PDF SDK VS Firefox PDF Viewer (PDF.js)

     
  15. PDF Reflow icon

    PDF Reflow

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

    53 PDF Reflow alternatives

    License model

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

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

    PDF Reflow Features

    1.  No Tracking
    2.  Ad-free
    3.  No registration required
    4.  AI-Powered

    PDF Reflow VS Firefox PDF Viewer (PDF.js)

     
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