Open Source SumatraPDF Alternatives

    The best open source alternative to SumatraPDF is Okular, which is both free and Open Source. 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 (Free, Open Source), Firefox PDF Viewer (PDF.js) (Free, Open Source), MuPDF (Free, Open Source) and Document Viewer (Free, Open Source).

    The list of alternatives was last updated Jun 4, 2021

    Platforms

    • Windows
    • Android
    • Linux
    • Mac
    • Android Tablet
    • iPhone
    • iPad
    • Online
    • Google Chrome
    • BSD
    • Windows Phone
    • Chrome OS
    • Xfce
    • Haiku
    • Firefox
    • Windows S
    • PortableApps.com
    • Windows Explorer
    • F-Droid
    • Wine

    Features

    • PDF annotation
    • Lightweight
    • Edit PDF
    • Fill PDF Forms
    • Portable
    • Night mode/Dark Theme
    • Tabbed interface
    • Sign PDF files
    • Convert PDF to Word document
    • Integrated Search
    • Library
    • Full text search
    • Create PDF files
    • Text Highlighting
    • Multiple languages
    • Notetaking
    • Text to Speech
    • OCR
    • Offline Reading
    • PDF OCR

    License

    × Clear
    • Free
    • Open Source
    • Paid
    All Filters

    • Okular is a universal document viewer developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, macOS, *BSD, etc. View 89 alternatives to Okular
      Most users think Okular is a great alternative to SumatraPDF.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      Okular vs SumatraPDF
      pros, cons and recent comments
      Because both programs are design to see documents.
      Positive comment 11 months ago

      1
    • Evince 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). For a comprehensive list of formats supported, see Supported Document Formats. View 97 alternatives to Evince
      Some users think Evince is a great alternative to SumatraPDF, some don't.
      • FreeOpen Source
      • Linux
      • PortableApps.com
      Evince vs SumatraPDF
      pros, cons and recent comments
      is open source, and simple
      Positive comment 5 months ago

      0
      evince is the best and now!
      Positive comment 12 months ago

      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 3 years ago

      2
      not even close to SumatraPDF!
      Negative comment over 4 years ago

      1


    • PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within https://alternativeto. View 55 alternatives to Firefox PDF Viewer (PDF.js)
      Most users think Firefox PDF Viewer (PDF.js) is a great alternative to SumatraPDF.
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Google Chrome
      • Opera
      • Firefox
      Firefox PDF Viewer (PDF.js) vs SumatraPDF
      pros, cons and recent comments
      Firefox PDF viewer is a browser extension not a desktop app it is in wrong category
      Negative comment about 2 years ago

      3
      It cant run securely outside of the browser as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
      This is a PDF reader built into Firefox, not a standalone application.
      Negative comment almost 2 years ago

      -2
    • 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. View 65 alternatives to MuPDF
      Most users think MuPDF is a great alternative to SumatraPDF.
      • FreeOpen Source
      • Windows
      • Linux
      • Android
      • iPhone
      • iPad
      • Xfce
      MuPDF vs SumatraPDF
      pros, cons and recent comments
      This is the core application within SumatraPDF so should be faster but with limited menus
      Positive comment about 2 years ago

      3
      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 1 year ago

      3
    • Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid . View 132 alternatives to Document Viewer
      • FreeOpen Source
      • Android
      • Android Tablet
      • F-Droid
      Document Viewer vs SumatraPDF
      pros, cons and recent comments
      Because its open source and light weight
      Positive comment over 2 years ago

      1
      It cant run on windows as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0


    • Cool Reader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. View 76 alternatives to Cool Reader
      Most users think Cool Reader is a great alternative to SumatraPDF.
      • FreeOpen Source
      • Windows
      • Linux
      • Android
      • Android Tablet
      Cool Reader vs SumatraPDF
      pros, cons and recent comments
      its good for a lot of formats to read
      Positive comment about 1 year ago

      -1
      Last time I tested it could not read any PDFs as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
    • 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. View 30 alternatives to Librera Reader
      • FreeOpen Source
      • Android
      • Android Tablet
      Librera Reader vs SumatraPDF
      pros, cons and recent comments
      It cant run on Windows as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
    • 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. View 66 alternatives to Skim
      • FreeOpen Source
      • Mac
      Skim vs SumatraPDF
      pros, cons and recent comments
      It cant run on Windows as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
    • zathura is a highly customizable and functional PDF viewer based on the poppler rendering library and the gtk+ toolkit. View 54 alternatives to zathura
      Some users think zathura is a great alternative to SumatraPDF, some don't.
      • FreeOpen Source
      • Mac
      • Linux
      • BSD
      • MacPorts
      • Homebrew
      zathura vs SumatraPDF
      pros, cons and recent comments
      Minimal user interface, keyboard-driven and a delight to use. However, it requires some time to get used to.
      Positive comment over 1 year ago

      0
      It cant run on Windows as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
    • An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Kindle, Kobo, PocketBook, Linux and Android devices. View 30 alternatives to KOReader
      No screenshots yet
      • FreeOpen Source
      • Linux
      • Android
      • Kobo
      • PocketBook Reader
      • Ubuntu Touch
      • Amazon Kindle
      KOReader vs SumatraPDF
      pros, cons and recent comments
      It cant run on Windows as SumatraPDF does so is not a viable alternative
      Negative comment 29 days ago

      0
    Showing 10 of 31 alternatives