pdf.io AlternativesOnly apps categorised as Ebook Readers

The best Ebook Reader alternative to pdf.io is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to pdf.io and 11 are Ebook Readers so hopefully you can find a suitable replacement. Other interesting Ebook Reader alternatives to pdf.io are Okular, Evince, Document Viewer and STDU Viewer.

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pdf.io alternatives are mainly PDF Readers but may also be PDF Editors or Ebook Readers.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of pdf.io.
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Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!

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pdf.io alternatives page was last updated Dec 16, 2021
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  1. SumatraPDF icon
    SumatraPDF icon

    SumatraPDF

     1601 likes
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    Sumatra PDF is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) viewer for Windows.

    108 SumatraPDF alternatives
    SumatraPDF screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    SumatraPDF screenshot 1
    SumatraPDF screenshot 2
    +3
    SumatraPDF screenshot 3

    Top SumatraPDF Features

    1.  Lightweight
    2.  Low memory usage
    3.  Ad-free
    4.  Optimal performance
    5.  Tabbed interface
    6.  Portable
    7.  Multi Format Reader
    8.  No registration required
    9.  Works Offline
    10.  Highlighter
    11.  PDF annotation
    12.  Global bookmarks
    SumatraPDF iconpdf.io Icon

    SumatraPDF VS pdf.io

    Is SumatraPDF a good alternative to pdf.io?
     

    • SumatraPDF is the most popular Windows alternative to pdf.io.

    • SumatraPDF is the most popular Open Source & free alternative to pdf.io.

    • SumatraPDF is Free and Open Sourcepdf.io is Free and Proprietary
    • SumatraPDF is Lightweightpdf.io is not according to our users
  2. Okular icon
    Okular icon

    Okular

     425 likes
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    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.

    112 Okular alternatives
    Okular screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Flathub
    • Linux Mobile
    Okular screenshot 1
    Okular screenshot 2
    +2
    Okular screenshot 3

    Top Okular Features

    1.  PDF annotation
    2.  Text Highlighting
    3.  Lightweight
    4.  Tabbed interface
    5.  Ad-free
    6.  Dark Mode
    7.  Works Offline
    8.  KDE
    9.  Low memory usage
    10.  Customizable shortcuts
    11.  Privacy focused
    12.  Text editing
    Okular iconpdf.io Icon

    Okular VS pdf.io

    Is Okular a good alternative to pdf.io?
     

    • Okular is the most popular Linux alternative to pdf.io.

    • Okular is Free and Open Sourcepdf.io is Free and Proprietary
    • Okular is Lightweight and Privacy focusedpdf.io is not according to our users
  4. Evince icon
    Evince icon

    Evince

     452 likes
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    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.

    116 Evince alternatives
    Evince screenshot 1

    License model

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • PortableApps.com
    • Flathub
    • GNOME
    Evince screenshot 1
    Evince screenshot 2
    +3
    Evince screenshot 3

    Top Evince Features

    1.  Lightweight
    2.  PDF annotation
    3.  Invert colours
    4.  Multiple languages
    5.  Dark Mode
    6.  Ad-free
    7.  Portable
    8.  Works Offline
    9.  No registration required
    10.  Minimalistic
    11.  No Tracking
    12.  Privacy focused
    Evince iconpdf.io Icon

    Evince VS pdf.io

    Is Evince a good alternative to pdf.io?
     
  5. Document Viewer icon
    Document Viewer icon

    Document Viewer

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

    152 Document Viewer alternatives
    library view
    settings

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • Android Tablet
    • F-Droid

    Document Viewer Features

    1.  Privacy focused
    2.  Works Offline
    3.  No registration required
    4.  Lightweight
    5.  No Tracking
    6.  Customizable
    Discontinued

    The last version (2.7.4) was released in March 2016.

    Document Viewer iconpdf.io Icon

    Document Viewer VS pdf.io

    Is Document Viewer a good alternative to pdf.io?
     
  6. STDU Viewer icon
    STDU Viewer icon

    STDU Viewer

     92 likes
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    Are you tired from many viewers one for each document? Do you want to have, one program for all your technical documentations, scientific books and so on? Do you want to have program, which fast opens files, fast loads pages and fast renders page to screen? And all of this in fre.

    89 STDU Viewer alternatives
    STDU Viewer screenshot 1

    License model

    • Free Personal • Proprietary

    Application types

    Platforms

    • Windows
    STDU Viewer screenshot 1
    STDU Viewer screenshot 2

    STDU Viewer Features

    1.  Ad-free
    2.  Portable
    3.  Lightweight
    4.  Tabbed interface
    5.  Support for regular expressions
    Discontinued

    The program is no longer updated. Last version, 1.6.375, released in April 2015, can be still downloaded from the official website

    STDU Viewer iconpdf.io Icon

    STDU Viewer VS pdf.io

    Is STDU Viewer a good alternative to pdf.io?
     
  7. zathura icon
    zathura icon

    zathura

     41 likes
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    Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.

    71 zathura alternatives
    Bestfit

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    • BSD
    • MacPorts
    • Homebrew
    Command completion

    zathura Features

    1.  Lightweight
    2.  Ad-free
    3.  Extensible by Plugins/Extensions
    4.  Works Offline
    5.  Full-Text Search
    6.  Vi keybindings
    7.  Keyboard navigation
    8.  Vim key mapping
    zathura iconpdf.io Icon

    zathura VS pdf.io

    Is zathura a good alternative to pdf.io?
     
  9. EBookDroid icon
    EBookDroid icon

    EBookDroid

     28 likes
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    EBookDroid is an open source (GPL'ed) document viewer for Android based on the VuDroid code base.

    52 EBookDroid alternatives
    EBookDroid screenshot 1
    EBookDroid screenshot 2

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Android

    EBookDroid Features

    1.  Dark Mode
    2.  No registration required
    EBookDroid iconpdf.io Icon

    EBookDroid VS pdf.io

    Is EBookDroid a good alternative to pdf.io?
     
  10. GoodReader icon
    GoodReader icon

    GoodReader

     48 likes
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    With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere. Books, movies, maps, pictures; GoodReader puts it all in a single app, right in your pocket.

    96 GoodReader alternatives
    PDF Reflow
    Reading PDF
    +2
    Import your files

    License model

    Application types

    Platforms

    • iPhone
    • iPad

    GoodReader Features

    1.  PDF annotation
    2.  Dark Mode
    3.  Cloud Sync
    4.  Sync with iCloud
    5.  Sync with Dropbox
    6.  ICloud Integration
    7.  Support for SFTP
    8.  Support for FTP
    GoodReader iconpdf.io Icon

    GoodReader VS pdf.io

    Is GoodReader a good alternative to pdf.io?
     
  11. Martview icon
    Martview icon

    Martview

     8 likes
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    Martview is a desktop/laptop/touch-screen friendly FREE eBook/PDF reader that is compatible with PDF and MART file. Designed with new concept of reading ebook on the PC, Martview tries very hard to let you enjoy comfortable reading Experience the new era of digital reading with...

    9 Martview alternatives
    Martview screenshot 1

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • iPad

    Martview Features

    1.  Magazines
    2.  Reading
    Martview iconpdf.io Icon

    Martview VS pdf.io

    Is Martview a good alternative to pdf.io?
     
  12. Speedpdf Reader icon
    Speedpdf Reader icon

    Speedpdf Reader

     3 likes
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    There is no PDF document that cannot be opened for viewing with a reader or viewer. There are many PDF readers to choose from, and more and more are paid now. If you want to avoid paying for software, Speedpdf Reader is a good free PDF reader for you.

    19 Speedpdf Reader alternatives
    Interface displayed at startup

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows

    Speedpdf Reader Features

    1.  Lightweight
    2.  Portable
    3.  PDF annotation
    4.  Tabbed interface
    Interface displayed when opening a document
    Interface displayed when annotating a PDF
    +1
    Interface displayed when adding bookmarks
    Speedpdf Reader iconpdf.io Icon

    Speedpdf Reader VS pdf.io

    Is Speedpdf Reader a good alternative to pdf.io?
     
  13. PerfectReader icon
    PerfectReader icon

    PerfectReader

     1 like
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    PerfectReader is a powerful PDF Reader & Annotator.

    Features

    PDF ANNOTATING The long-awaited feature now comes to PerfectReader 2. You now can mark up texts (highlight, underline, strikeout), handwrite with the Ink tool, create Sticky Notes, and make FreeTexts. Annotation.

    80 PerfectReader alternatives
    PerfectReader screenshot 1
    PerfectReader screenshot 2
    +3
    PerfectReader screenshot 3

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • iPhone
    • iPad

    PerfectReader Features

    1.  Batch Editing
    2.  PDF annotation
    3.  Dark Mode
    4.  Dropbox integration
    5.  Integrated Search
    6.  Integrated Web Browser
    PerfectReader iconpdf.io Icon

    PerfectReader VS pdf.io

    Is PerfectReader a good alternative to pdf.io?
     
11 of 11 pdf.io alternatives