STDU Viewer Alternatives for Windows

There are many alternatives to STDU Viewer for Windows and since it's discontinued a lot of people are looking for a replacement. The best Windows alternative is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to STDU Viewer and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to STDU Viewer are Okular, Foxit PDF Reader, MuPDF and Adobe Acrobat Reader.

Copy a direct link to this comment to your clipboard
STDU Viewer alternatives page was last updated

Alternatives list

  1. SumatraPDF icon
     1686 likes

    This free, open-source viewer for Windows supports multiple formats like PDF, eBooks (ePub, Mobi), CHM, and Comic Books (CBZ, CBR). Prioritizing simplicity and speed, it offers a lightweight, portable design with a minimalist interface, catering to users seeking fast and efficient document viewing.

    119 SumatraPDF alternatives

    Cost / License

    Application types

    Platforms

    • Windows
     
  2. Okular icon
     501 likes

    Multi-platform document viewer supporting PDF, ePub, comics, images, and Markdown with annotation, digital signature verification, tabbed interface, sidebar navigation, text selection, text-to-speech, magnifier, search, dark mode, and plugin support.

    125 Okular alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Snapcraft
    • Linux Mobile
    • Flathub
    • Haiku
     
  3. Foxit PDF Reader icon
     1381 likes

    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 Manager, and organizational tools like Group Policy and XML Configuration.

    135 Foxit PDF Reader alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Alerts

    • Bundleware

    Platforms

    • Mac
    • Windows
    • ReactOS
     
  4. MuPDF icon
     164 likes

    MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.

    99 MuPDF alternatives

    Cost / License

    Application types

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
     
  5. 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.

    125 Adobe Acrobat Reader alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  6. Sioyek icon
     24 likes

    Sioyek is a PDF viewer with minimal interface optimized for reading research papers and technical books.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  7. Xodo icon
     72 likes

    Xodo is the ultimate cross-platform PDF viewer and annotator. Powerful, fast, and optimized for all phones and tablets, Xodo makes it easy to access, edit, share, sync, manage, sign, and more.

    127 Xodo alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
     
  8. Mcomix icon
     36 likes

    MComix is an user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR, 7Zip or tar archives as well as plain image files.

    48 Mcomix alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
    • Xfce
     
  9. KDAN PDF icon
     187 likes

    Comprehensive solution for editing, signing, form filling, OCR scanning, commenting, converting, and redacting PDFs, with AI-driven analysis and content extraction, data export to spreadsheets, text-to-speech, seamless use across desktop and mobile, and batch processing.

    273 KDAN PDF alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  10. WinDjView icon
     62 likes

    WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents. DjVu is a web-centric format and software platform for distributing documents...

    37 WinDjView alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • PortableApps.com
     
12 of 47 STDU Viewer alternatives