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pdf.io Alternatives

pdf.io is described as 'Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!' and is a PDF Editor in the office & productivity category. There are more than 50 alternatives to pdf.io for a variety of platforms, including Windows, Linux, Android, Mac and iPad. The best alternative is SumatraPDF, which is both free and Open Source. Other great apps like pdf.io are Okular, Foxit Reader, Evince and Adobe Acrobat Reader.

pdf.io alternatives are mainly PDF Readers but may also be PDF Editors or Ebook Readers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of pdf.io.
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  • FreeProprietary
  • Online
  • Google Chrome
  • Brave
  • Firefox

Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!

Learn more about pdf.io

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

    ⚫︎ LightweightSumatraPDF consumes less device resources compared to similar apps.
    ⚫︎ PortableSumatraPDF can be used from a USB stick or similar with no prior installation.
    ⚫︎ PDF annotationSumatraPDF support PDF Annotation for highlighting, notes etc
    ⚫︎ Dark ModeSumatraPDF supports dark mode for comfortable usage in low light conditions.
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  2. 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.

    ⚫︎ PDF annotationOkular support PDF Annotation for highlighting, notes etc
    ⚫︎ LightweightOkular consumes less device resources compared to similar apps.
    ⚫︎ Dark ModeOkular supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Text to SpeechOkular allows you to transform written text into spoken text.
    ⚫︎ Fill PDF FormsOkular supports forms in PDF files.
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    Screenshot


  3. Foxit Reader icon

    Foxit Reader

    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Windows S
    • Android Tablet
    • Windows Phone
    • iPad
    • ReactOS

    Foxit Reader is a free and light-weight multi-platform PDF document viewer. Its core function is compatible with PDF Standard 1.7.

    ⚫︎ PDF annotationFoxit Reader support PDF Annotation for highlighting, notes etc
    ⚫︎ Fill PDF FormsFoxit Reader supports forms in PDF files.
    ⚫︎ Sign PDF filesFoxit Reader support signing a PDF document digitally on a touch screen etc.
    ⚫︎ LightweightFoxit Reader consumes less device resources compared to similar apps.
    ⚫︎ Support for scriptingFoxit Reader supports scripts and macros to automate or customize tasks.
    ⚫︎ Spell CheckingFoxit Reader can detect and correct all types of grammar and spelling mistakes.
    ⚫︎ Text to SpeechFoxit Reader allows you to transform written text into spoken text.
    ⚫︎ PortableFoxit Reader can be used from a USB stick or similar with no prior installation.
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    Bundleware

    The installer tries to install McAfee WebAdvisor and PhantomPDF Business. These can be skipped by clicking Decline on each.

    35 Languages
  4. Evince icon

    Evince

    • FreeOpen Source
    • Linux
    • PortableApps.com

    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.

    ⚫︎ LightweightEvince consumes less device resources compared to similar apps.
    ⚫︎ PDF annotationEvince support PDF Annotation for highlighting, notes etc
    ⚫︎ PortableEvince can be used from a USB stick or similar with no prior installation.
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    Screenshot
  5. Adobe Acrobat Reader icon

    Adobe Acrobat Reader

    • FreemiumProprietary
    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad

    View, sign, collaborate on and annotate PDF files with our free Acrobat Reader software. And to easily edit and convert your PDFs into file formats like Excel and Word, try out PDF editor and converter Acrobat Pro DC.

    ⚫︎ PDF annotationAdobe Acrobat Reader support PDF Annotation for highlighting, notes etc
    ⚫︎ Sync Across DevicesAdobe Acrobat Reader can sync your data across devices like your phone, desktop and tablet
    ⚫︎ Fill PDF FormsAdobe Acrobat Reader supports forms in PDF files.
    ⚫︎ Sign PDF filesAdobe Acrobat Reader support signing a PDF document digitally on a touch screen etc.
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    Screenshot


  6. MuPDF icon

    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.

    ⚫︎ LightweightMuPDF consumes less device resources compared to similar apps.
    ⚫︎ PortableMuPDF can be used from a USB stick or similar with no prior installation.
    ⚫︎ PDF annotationMuPDF support PDF Annotation for highlighting, notes etc
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    Screenshot
  7. 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.

    ⚫︎ LightweightFirefox PDF Viewer (PDF.js) consumes less device resources compared to similar apps.
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    Screenshot
  8. Xodo icon

    Xodo

    • FreemiumProprietary
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Windows S
    • Android Tablet
    • Windows Phone
    • iPad

    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, mark up, sort, share, sync, manage, sign, and more with even the most complex PDF documents.

    ⚫︎ PDF annotationXodo support PDF Annotation for highlighting, notes etc
    ⚫︎ Dark ModeXodo supports dark mode for comfortable usage in low light conditions.
    ⚫︎ Sign PDF filesXodo support signing a PDF document digitally on a touch screen etc.
    ⚫︎ Combine PDFCombine, merge and arrange PDF files into one document.
    ⚫︎ Split PDF filesXodo can split PDF files into multiple documents.
    ⚫︎ OCRExtract the text from a screen capture or file and paste it into another document for edits.
    ⚫︎ Real time collaborationMultiple users can work together in Xodo simultaneously.
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    Xodo PDF - comment, highlight, underline & more
  9. Document Viewer icon

    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 .

    ⚫︎ CustomizableDocument Viewer is easy to customize with themes or similar features.
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    library view
  10. Preview icon

    Preview

    • FreeProprietary
    • Mac

    Preview is a simple and elegant application by Apple for viewing and working with images and PDF documents.

    ⚫︎ Fill PDF FormsPreview supports forms in PDF files.
    ⚫︎ PDF annotationPreview support PDF Annotation for highlighting, notes etc
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    Screenshot
Showing 10 of 84 alternatives