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ImageGlass vs SumatraPDF

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

ImageGlass icon
ImageGlass
SumatraPDF icon
SumatraPDF

ImageGlass vs SumatraPDF: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature ImageGlass SumatraPDF
Sugggest Score
Category Photos & Graphics Office & Productivity
Pricing Open Source Open Source

Product Overview

ImageGlass
ImageGlass

Description: ImageGlass is a lightweight, open-source image viewer and editor for Windows. It supports a wide range of image formats and basic editing capabilities like resizing, cropping, and rotating images.

Type: software

Pricing: Open Source

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

Key Features Comparison

ImageGlass
ImageGlass Features
  • Lightweight image viewer
  • Supports many common image formats like JPEG, PNG, GIF, BMP, TIFF
  • Basic image editing tools like crop, resize, rotate, flip, color adjustments
  • Slideshow function
  • Printing support
  • Portable version available
  • Keyboard shortcuts
  • Multi-monitor support
  • Shell integration
  • Plugin support
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

Pros & Cons Analysis

ImageGlass
ImageGlass
Pros
  • Lightweight and fast
  • Open source and free
  • Clean and simple interface
  • Supports many image formats
  • Has basic image editing features
  • Portable version available
Cons
  • Lacks some advanced editing features
  • Fewer features than paid alternatives
  • Limited to Windows only
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

Pricing Comparison

ImageGlass
ImageGlass
  • Open Source
SumatraPDF
SumatraPDF
  • Open Source

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