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Open Source SumatraPDF Alternatives

The best open source alternative to SumatraPDF is Okular. If that doesn't suit you, our users have ranked more than 50 alternatives to SumatraPDF and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to SumatraPDF are Evince, MuPDF, Firefox PDF Viewer (PDF.js) and Librera Reader.

SumatraPDF alternatives are mainly PDF Readers but may also be eBook Readers or PDF Editors. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of SumatraPDF.
This page was last updated May 17, 2022
SumatraPDF
  1447
  • FreeOpen Source
  • Windows

Sumatra PDF is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) viewer for Windows.

Learn more about SumatraPDF

  1. Multi-platform, fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.

    Okular vs SumatraPDF opinions
    Most users think Okular is a great alternative to SumatraPDF.
    veruzian

    If you want a basic PDF viewer, this will probably fit the bill. It's simple and ligthweight. I used to use Foxit Reader, and found Okular to be a good FOSS replacement.

    Positive comment 3 months ago
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    0

    Because both programs are design to see documents.

    Positive comment almost 2 years ago
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    1
  2. Evince (or GNOME Document Viewer) is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS, SyncTex support with gedit, comics books (cbr,cbz,cb7 and cbt) and others. See Supported Document Formats for details.

    Evince vs SumatraPDF opinions
    Some users think Evince is a great alternative to SumatraPDF, some don't.

    is open source, and simple

    Positive comment over 1 year ago
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    0

    not even close to SumatraPDF!

    Negative comment over 5 years ago
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    1

    evince is the best and now!

    Positive comment about 2 years ago
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    0
    Holy

    It has thumbnails. Renders faster. But it's a little bit less stable and no updates for Windows for a long time

    Positive comment almost 4 years ago
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    2


  3. MuPDF

    • FreeOpen Source
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • F-Droid
    • Xfce

    MuPDF is a highly versatile, customizable PDF and XPS interpreter solution that can be used across a wide range of applications as a PDF renderer, viewer, or toolkit.

    MuPDF vs SumatraPDF opinions
    Most users think MuPDF is a great alternative to SumatraPDF.

    While the MuPDF library is very lightweight, this reader is more a proof of concept than a lightweight GUI. The MuPDF download is about 70 Mb, Sumatra is less than 10.

    Positive comment over 2 years ago
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    3

    This is the core application within SumatraPDF so should be faster but with limited menus

    Positive comment over 3 years ago
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    3
  4. 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.

    Firefox PDF Viewer (PDF.js) vs SumatraPDF opinions
    Most users think Firefox PDF Viewer (PDF.js) is a great alternative to SumatraPDF.

    It cant run securely outside of the browser as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0

    This is a PDF reader built into Firefox, not a standalone application.

    Negative comment almost 3 years ago
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    -1

    Firefox PDF viewer is a browser extension not a desktop app it is in wrong category

    Negative comment over 3 years ago
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    4
  5. Librera Reader is a highly customizable and feature-rich application for reading books in PDF, EPUB, MOBI, DjVu, FB2, TXT, RTF, AZW, AZW3, HTML, CBZ, CBR formats on Android devices.

    Librera Reader vs SumatraPDF opinions
    pros, cons and recent comments

    It cant run on Windows as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0


  6. Document Viewer

    • FreeOpen Source
    • Android
    • Android Tablet
    • F-Droid

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

    Document Viewer vs SumatraPDF opinions
    pros, cons and recent comments

    It cant run on windows as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0

    Because its open source and light weight

    Positive comment over 3 years ago
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    1
  7. Cool Reader

    • FreeOpen Source
    • Linux
    • Android
    • Android Tablet

    Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Understands a number of text document formats, suppurt OPDS (in new ui-opengl version).

    Cool Reader vs SumatraPDF opinions
    Most users think Cool Reader is a great alternative to SumatraPDF.

    Last time I tested it could not read any PDFs as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0

    its good for a lot of formats to read

    Positive comment about 2 years ago
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    0
  8. Skim

    • FreeOpen Source
    • Mac

    Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.

    Skim vs SumatraPDF opinions
    pros, cons and recent comments

    It cant run on Windows as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0
  9. zathura

    • FreeOpen Source
    • Mac
    • Linux
    • BSD
    • MacPorts
    • Homebrew

    zathura is a highly customizable and functional document viewer based on the poppler rendering library and the gtk+ toolkit.

    zathura vs SumatraPDF opinions
    Some users think zathura is a great alternative to SumatraPDF, some don't.

    It cant run on Windows as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    -1

    Minimal user interface, keyboard-driven and a delight to use. However, it requires some time to get used to.

    Positive comment over 2 years ago
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    0
  10. KOReader

    • FreeOpen Source
    • Linux
    • Android
    • Kobo
    • PocketBook Reader
    • Kindle Fire

    KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.

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    KOReader vs SumatraPDF opinions
    pros, cons and recent comments

    It cant run on Windows as SumatraPDF does so is not a viable alternative

    Negative comment about 1 year ago
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    0
Showing 10 of 36 alternatives