PDF4QT AlternativesPDF Readers & PDF Editors like PDF4QT

PDF4QT is described as 'Open-source PDF viewer/editor using Qt framework with C++ library, multithreading, hardware rendering, encryption, text layout, and form tools' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to PDF4QT for a variety of platforms, including Windows, Linux, Mac, iPad and Flathub apps. The best PDF4QT alternative is SumatraPDF, which is both free and Open Source. Other great apps like PDF4QT are Okular, Foxit PDF Reader, PDF Arranger and PDF-XChange Editor.

PDF4QT iconPDF4QT
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Open-source PDF viewer/editor using Qt framework with C++ library, multithreading, hardware rendering, encryption, text...

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PDF4QT alternatives page was last updated Jun 5, 2025
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  1. SumatraPDF icon

    SumatraPDF

     1627 likes
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    This free, open-source viewer for Windows supports multiple formats like PDF, eBooks (ePub, Mobi), CHM, and Comic Books (CBZ, CBR). Prioritizing simplicity and speed, it offers a lightweight, portable design with a minimalist interface, catering to users seeking fast and efficient document viewing.

    110 SumatraPDF alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Windows
    SumatraPDF screenshot 1

    Properties

    1.  Lightweight
    2.  Optimal performance
    3.  Privacy focused

    Features

    1.  Low memory usage
    2.  Ad-free
    3.  Tabbed interface
    4.  Portable
    5.  Multi Format Reader
    6.  No registration required
    7.  Works Offline
    8.  Highlighter
    9.  PDF annotation
    10.  Global bookmarks
    11.  Dark Mode
    12.  Quick search

    SumatraPDF VS PDF4QT

     

    • SumatraPDF is the most popular Windows alternative to PDF4QT.

    • SumatraPDF is the most popular Open Source & free alternative to PDF4QT.

    • SumatraPDF is Free and Open SourcePDF4QT is also Free and Open Source
    • SumatraPDF is LightweightPDF4QT is not according to our users
  2. Okular icon

    Okular

     455 likes
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    Multi-platform document viewer offering extensive format support, including PDF, comics, images, EPUB, and Markdown, with annotation tools, sidebar previews, text-to-speech, DRM management, cross-platform compatibility, and integration with KDE Frameworks libraries.

    113 Okular alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Snapcraft
    • Linux Mobile
    • Flathub
    • Haiku
    Okular screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  PDF annotation
    2.  Text Highlighting
    3.  Tabbed interface
    4.  Dark Mode
    5.  Ad-free
    6.  Low memory usage
    7.  KDE
    8.  Works Offline
    9.  Customizable shortcuts
    10.  Text to Speech
    11.  Fill PDF Forms
    12.  No Tracking

    Okular VS PDF4QT

     

    • Okular is the most popular Linux alternative to PDF4QT.

    • Okular is Free and Open SourcePDF4QT is also Free and Open Source
    • Okular is Lightweight and Privacy focusedPDF4QT is not according to our users
  4. Foxit PDF Reader icon

    Foxit PDF Reader

     1371 likes
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    Foxit Reader offers a lightweight PDF viewing experience across multiple platforms with features such as annotation, form filling, signing, cloud storage integration, collaborative review options, heightened security via Trust Manager, and organizational tools like Group Policy and XML Configuration.

    119 Foxit PDF Reader alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • ReactOS
    Foxit PDF Reader screenshot 1
    Bundleware

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

    Properties

    1.  Lightweight

    Features

    1.  PDF annotation
    2.  Fill PDF Forms
    3.  Sign PDF files
    4.  Highlighter
    5.  Scan documents
    6.  Text to Speech
    7.  Tablet support
    8.  Booklet printing
    9.  Support for scripting
    10.  Text Highlighting
    11.  Portable
    12.  Spell Checking

    Foxit PDF Reader VS PDF4QT

     

    • Foxit PDF Reader is the most popular Mac alternative to PDF4QT.

    • Foxit PDF Reader is Free Personal and ProprietaryPDF4QT is Free and Open Source
    • Foxit PDF Reader is LightweightPDF4QT is not according to our users
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  6. PDF Arranger icon

    PDF Arranger

     95 likes
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    Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

    66 PDF Arranger alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Windows
    • Linux
    • Flathub
    • Snapcraft
    Export selection only. Export each selected page to a file. Export all pages to files.

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Support for Themes

    Features

    1.  Split and merge PDF files
    2.  Visual Organization
    3.  Split PDF files
    4.  Combine PDF
    5.  Edit PDF
    6.  Rotate pages
    7.  Works Offline
    8.  Image sorting
    9.  No Tracking
    10.  Ad-free
    11.  Dark Mode
    12.  Portable

    PDF Arranger VS PDF4QT

     
  7. PDF-XChange Editor icon

    PDF-XChange Editor

     163 likes
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    Feature-rich PDF editor offering direct content editing, ABBYY OCR, viewing, annotation, form filling, PDF merging, compression, and encryption. Operates efficiently offline, requiring no registration and no ads, while providing privacy-focused features and convenient portability.

    139 PDF-XChange Editor alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • CA flagCanada

    Platforms

    • Windows
    • PortableApps.com
    • Wine
    Version 10 (2024)

    Properties

    1.  Customizable
    2.  Lightweight

    Features

    1.  PDF annotation
    2.  PDF OCR
    3.  Add/remove pages
    4.  Edit PDF
    5.  Portable
    6.  Split PDF files
    7.  Stamps
    8.  Create PDF files
    9.  OCR
    10.  Split and merge PDF files
    11.  No registration required
    12.  Dark Mode

    PDF-XChange Editor VS PDF4QT

     
  8. Evince icon

    Evince

     455 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.

    117 Evince alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • PortableApps.com
    • Flathub
    • GNOME
    Evince screenshot 1

    Properties

    1.  Lightweight
    2.  Minimalistic
    3.  Privacy focused

    Features

    1.  PDF annotation
    2.  Invert colours
    3.  Multiple languages
    4.  Dark Mode
    5.  Ad-free
    6.  Portable
    7.  Works Offline
    8.  No registration required
    9.  No Tracking
    10.  Handwriting recognition
    11.  Windows Compatible

    Evince VS PDF4QT

     
  10. MuPDF icon

    MuPDF

     156 likes
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    MuPDF offers a highly versatile PDF, XPS, and eBook interpreter, customizable as a renderer, viewer, or toolkit. Features include digital signatures, redactions, form filling, annotations, and page manipulation, ideal for mobile, eBooks, and embedded apps supporting Java, C++, and Python.

    91 MuPDF alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
    • Xfce
    MuPDF screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Portable
    2.  Ad-free
    3.  Vim Key Mapping
    4.  PDF annotation
    5.  Sign PDF files
    6.  PDF compression
    7.  Combine PDF
    8.  Split PDF files
    9.  Fill PDF Forms

    MuPDF VS PDF4QT

     

    • MuPDF is the most popular Android alternative to PDF4QT.

    • MuPDF is Free and Open SourcePDF4QT is also Free and Open Source
    • MuPDF is LightweightPDF4QT is not according to our users
  11. PDF24 Creator icon

    PDF24 Creator

     139 likes
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    PDF24 Creator is free and feature-filled PDF creation, merging and conversion tool for Windows. Its unique feature among the free PDF printer tools is an editor, which allows to easily assemble, create and modify PDF files with Drag & Drop.

    147 PDF24 Creator alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    Main window

    Properties

    1.  Lightweight

    Features

    1.  Combine PDF
    2.  Convert PDF to image
    3.  PDF OCR
    4.  Print to PDF
    5.  Split and merge PDF files
    6.  Create PDF files
    7.  Add/remove pages
    8.  Works Offline
    9.  PDF compression
    10.  PDF annotation
    11.  Convert images to PDF
    12.  Split PDF files

    PDF24 Creator VS PDF4QT

     
  12. PDFgear icon

    PDFgear

     43 likes
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    Read, edit, convert, merge, and sign PDF files across devices, for completely free and without signing up.

    32 PDFgear alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • iPhone
    • iPad
    • Android
    • Android Tablet
    PDFgear screenshot 1

    Properties

    1.  Lightweight
    2.  Support for Themes

    Features

    1.  Ad-free
    2.  Combine PDF
    3.  Split PDF files
    4.  No registration required
    5.  Works Offline
    6.  OCR
    7.  PDF annotation
    8.  Dark Mode
    9.  PDF compression
    10.  Sign PDF files
    11.  Full-Text Search
    12.  PDF encryption

    PDFgear VS PDF4QT

     

    • PDFgear is the most popular iPhone, iPad & Android Tablet alternative to PDF4QT.

    • PDFgear is Free and ProprietaryPDF4QT is Free and Open Source
    • PDFgear is LightweightPDF4QT is not according to our users
  13. PDFsam icon

    PDFsam

     218 likes
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    Free and open source desktop application to split, merge, extract pages, rotate and mix PDF files.

    138 PDFsam alternatives

    License model

    • Freemium • Open Source

    Application type

    Country of Origin

    • IT flagItaly
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    PDFsam screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Combine PDF
    2.  Split and merge PDF files
    3.  Edit PDF
    4.  Split PDF files
    5.  Merge Files
    6.  Extract files
    7.  Works Offline
    8.  No registration required
    9.  Sign PDF files
    10.  Portable
    11.  PDF annotation
    12.  Fill PDF Forms

    PDFsam VS PDF4QT

     
  14. Adobe Acrobat Reader icon

    Adobe Acrobat Reader

     442 likes
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    Seamlessly view, annotate, and collaborate on PDFs with freehand drawing and sticky notes. Utilize cloud storage for effortless access and upgrade for advanced editing and conversion to formats like Word and Excel.

    106 Adobe Acrobat Reader alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Adobe Acrobat Reader screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Edit PDF
    2.  PDF annotation
    3.  Fill PDF Forms
    4.  Document Annotations
    5.  Create PDF files
    6.  Dark Mode
    7.  Combine PDF
    8.  Sign PDF files
    9.  Multi-tabs
    10.  OCR
    11.  PDF compression
    12.  No registration required

    Adobe Acrobat Reader VS PDF4QT

     
  15. PDF-XChange Viewer icon

    PDF-XChange Viewer

     370 likes
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    PDF-XChange Viewer is an alternative viewer for PDF files that enables you to view and annotate PDF files. You can add text, sticky notes, and other annotations and save them to the file, which will be compatible with the standard Adobe Acrobat Reader.

    62 PDF-XChange Viewer alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Windows
    • PortableApps.com
    PDF-XChange Viewer screenshot 1
    Discontinued

    Since November 2013 the Tracker Software company states that "PDF-XChange Viewer has been discontinued and replaced by PDF-XChange Editor icon PDF-XChange Editor " , but the software has been and is still being updated from time to time as of 2020

    Properties

    1.  Lightweight
    2.  Customizable
    3.  Clean design

    Features

    1.  PDF annotation
    2.  Portable
    3.  PDF OCR
    4.  Extract annotation
    5.  OCR
    6.  Note extraction
    7.  Side-by-Side View
    8.  Multiple languages
    9.  Font identifier
    10.  Stamps

    PDF-XChange Viewer VS PDF4QT

     
12 of 92 PDF4QT alternatives