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SumatraPDF vs WindowFX

Professional comparison and analysis to help you choose the right software solution for your needs.

SumatraPDF icon
SumatraPDF
WindowFX icon
WindowFX

SumatraPDF vs WindowFX: The Verdict

⚡ Summary:

SumatraPDF: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

WindowFX: WindowFX is a free, open-source software that helps customize the look and feel of windows in Microsoft Windows. It allows changing themes, colors, transparency, animations, and more for the start menu, taskbar, window frames, and other interface elements.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature SumatraPDF WindowFX
Sugggest Score — —
Category Office & Productivity Os & Utilities
Pricing Open Source Open Source

Product Overview

SumatraPDF
SumatraPDF

Description: SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.

Type: software

Pricing: Open Source

WindowFX
WindowFX

Description: WindowFX is a free, open-source software that helps customize the look and feel of windows in Microsoft Windows. It allows changing themes, colors, transparency, animations, and more for the start menu, taskbar, window frames, and other interface elements.

Type: software

Pricing: Open Source

Key Features Comparison

SumatraPDF
SumatraPDF Features
  • Lightweight and fast PDF reader
  • Supports many document formats like PDF, ePub, MOBI, XPS, DjVu, CHM, CBZ, CBR
  • Customizable with themes, keyboard shortcuts
  • Tabbed document interface
  • Supports annotations and highlighting
  • Continuous scrolling
  • Supports reflowable text
  • Supports digital signatures
  • Supports comics book formats
  • Supports eBooks
  • Supports syncing open documents across devices
WindowFX
WindowFX Features
  • Customize window colors
  • Customize taskbar
  • Change window animations
  • Modify window transparency
  • Apply custom themes

Pros & Cons Analysis

SumatraPDF
SumatraPDF

Pros

  • Lightweight and fast
  • Supports many document formats
  • Free and open source
  • Customizable
  • Good support for comics and eBooks

Cons

  • Limited annotation features compared to advanced PDF editors
  • Lacks OCR capabilities
  • No cloud storage integration
  • No mobile apps
WindowFX
WindowFX

Pros

  • Free and open source
  • Lightweight
  • Easy to use
  • Lots of customization options

Cons

  • Limited documentation
  • Some features may be buggy
  • Less options than paid software

Pricing Comparison

SumatraPDF
SumatraPDF
  • Open Source
WindowFX
WindowFX
  • Open Source

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Learn More About Each Product

SumatraPDF
SumatraPDF
Reviews, pricing & alternatives →
WindowFX
WindowFX
Reviews, pricing & alternatives →

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