Download Free PDF Annotation - Best Software & Apps

  • Adobe Reader

    2019.010.20069

    License
    free Download
    Platform
    Windows
    Android
    Mac
    iPhone

    Adobe Reader 11: the essential PDF viewer

    7
    10607 votes
    • PROS: Increased security, Send files by e-mail, Sticky notes and highlight options, Full-screen reading, Accessibility options
    • CONS: Memory use
  • Free PDF reader

    1

    License
    free Download
    Platform
    Windows

    A PDF program that also converts your content

    8
    341 votes
    • PROS: Great if you are stuck trying to convert your PDF, A simple interface makes it very easy to use
    • CONS: It is ugly looking when compared to modern app GUIs, The software is slowly going out of date
  • Foxit Reader

    9.5.0.20723

    License
    free Download
    Platform
    Windows
    Mac

    Foxit Reader

    8
    3159 votes
    • PROS: Small file size, Much quicker than Adobe Reader, Allows you to annotate documents
    • CONS: Doesn't allow you to edit files, User manual is only available online
  • Nitro PDF Reader

    3.5.3.14

    License
    free Download
    Platform
    Windows

    Powerful PDF viewer with annotation tools

    7
    710 votes
    • PROS: Nice interface, Can extract images and text from PDF files, Lets you convert documents to PDF, Complete set of annotation tools
    • CONS: None worth mentioning
  • EverNote

    5.8.3.6507

    License
    free Download
    Platform
    Windows
    Android
    Web Apps
    iPhone

    Store and quickly synchronize anything

    7
    489 votes
    • PROS: Capture anything, Add notes, images, passwords, etc., Organize items in notebooks and by tags, Easy data syncing across platforms
    • CONS: None worth mentioning
  • Mendeley

    Varies with device

    License
    free Download
    Platform
    Windows
    Android
    Mac

    Free Reference Manager and Social Media For Researchers

    9
    4 votes
    • PROS: Organises and stores all research in one secure location, Quick and easily adaptable citation and bibliography creation
    • CONS: Synchronisation with other libraries can be slow, Science based with limited further features for arts or humanities
  • Skim

    1.4.5

    License
    free Download
    Platform
    Mac

    Excellent free and simple PDF reader for Macs

    7
    53 votes
    • PROS: Great for reading and editing PDFs, Liike Preview but with more features, Highlight text, navigate with TOCs and more, Integration with LaTeX, PDFSync etc
    • CONS: Not as advanced as Adobe Acrobat X, Some basic features not as intutive as they should be
  • Gaaiho PDF Reader

    3

    License
    free Download
    Platform
    Windows
    Android

    Let this free Gaaiho PDF Reader handle your PDF needs, Gaaiho has over 20 years of PDF software manufacturing experiences

    9
    18 votes
    • Evince

      2.32.0-144.1

      License
      free Download
      Platform
      Windows

      A Free (GPL) Productivity program for Windows

      8
      55 votes
      • Nuance PDF Reader

        7.0

        License
        free Download
        Platform
        Windows

        Handy PDF viewer with marking tools and built-in converter

        5
        95 votes
        • PROS: Several viewing options, including full screen, You can underline and highlight text, Links to online converter
        • CONS: No editing tools
      • PDF Reader X

        3.0.26

        License
        free Download
        Platform
        Mac

        Fast clean and efficient PDF reader

        8
        8 votes
        • PROS: Very fast and lightweight, Allows you to annotate PDFs , Supports full screen mode
        • CONS: Not as powerful as Adobe Acrobat
      • Xournal

        0.4.5

        License
        free Download
        Platform
        Windows

        A Free (GPL) Productivity program for Windows

        7
        37 votes
        • Xodo - PDF Reader & Annotator

          4.6.5

          License
          free Download
          Platform
          Android

          Xodo is the ultimate cross-platform PDF viewer and annotator. And it’s 100% free.

          8
          8 votes
          • PDFill FREE PDF and Image Writer

            10

            License
            free Download
            Platform
            Windows

            Create FREE PDF or Image with options to Email, Optimize, Encrypt, Rotate, Crop, Merge, Split, Reorder, Header, and Watermark

            8
            7 votes
            • Qiqqa

              Varies with device

              License
              free Download
              Platform
              Windows
              Web Apps

              A free research and reference tool that is ideal for academics

              -
              No votes yet
              • PROS: It files and categorizes your research with more than just titles, The tool suggests other research material
              • CONS: It takes a while to learn how to use the tool effectively, You may have to turn to the forum to help you understand how it works
            • Inky - PDF reader & ink annotation

              License
              free Download
              Platform
              Windows

              The Ultimate Paperless Office App?

              3
              1 vote
              • PROS: Save PDFs with new file names, Quick and intuitive annotation tool
              • CONS: Only English (US) supported, Requires almost 20MB of free space
            • ePapyrus PDF-Pro

              5

              License
              free Download
              Platform
              Windows

              A light, fast and affordable PDF editor. Create, comment and edit your PDF files easy and fast with this amazing software!

              1
              1 vote
              • ReadCube

                2.31

                License
                free Download
                Platform
                iPhone
                Web Apps
                Android

                A Tool to Create Your Own Research Library

                -
                No votes yet
                • PROS: Free 30-day trial available , Unlimited cloud space
                • CONS: There could be more tagging and organisational features, Not available for Linux
              • Diigo

                Varies with device

                License
                free
                Platform
                Web Apps
                Android

                Free Online Research Organization Tool

                -
                No votes yet
                • PROS: Markup webpages directly in browser, Archive research offline with all markup intact
                • CONS: No access on mobile, Does not aid in finding information
              Softonic’s Best Rated Software for this topic
              #NameVersionVotesRatingPlatform
              19.5.0.2072331598.4Windows,Mac
              213417.9Windows
              33.5.3.147107.2Windows
              42019.010.20069106077.2Windows,Android,Mac,iPhone
              55.8.3.65074896.7Windows,Android,Web Apps,iPhone
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