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IrfanView vs UPX

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

IrfanView icon
IrfanView
UPX icon
UPX

IrfanView vs UPX: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature IrfanView UPX
Sugggest Score
Category Photos & Graphics Os & Utilities
Pricing Open Source Free

Product Overview

IrfanView
IrfanView

Description: IrfanView is a free, open source image viewer, editor, organiser and converter program for Microsoft Windows. It supports a wide variety of image formats and basic image editing features like cropping, resizing and color adjustments.

Type: software

Pricing: Open Source

UPX
UPX

Description: UPX is an open source executable packer that can compress and optimize executable files for Windows, Linux, macOS, and other platforms. It works by analyzing executables, removing unused code and data, and compressing what remains. UPX aims to reduce file size while allowing compressed binaries to launch and run normally.

Type: software

Pricing: Free

Key Features Comparison

IrfanView
IrfanView Features
  • Supports a wide variety of image formats including JPEG, PNG, GIF, TIFF, BMP
  • Basic image editing tools like cropping, resizing, rotating, color adjustments
  • Thumbnail/contact sheet generator
  • Slideshow creator
  • Batch conversion/renaming of images
  • Plugins allow extending functionality
UPX
UPX Features
  • Compresses executable files
  • Supports Windows, Linux, macOS and other platforms
  • Open source and free to use
  • Removes unused code and data
  • Compressed binaries can still run normally

Pros & Cons Analysis

IrfanView
IrfanView
Pros
  • Lightweight and fast
  • Intuitive and easy to use interface
  • Extensive format support
  • Free and open source
Cons
  • Limited editing capabilities compared to advanced editors
  • Fewer features than paid alternatives
  • Windows only
UPX
UPX
Pros
  • Reduces file size significantly
  • Faster download and loading times
  • No runtime memory overhead
  • Compressed binaries are self-extracting
  • Retains original file permissions and attributes
Cons
  • Compression results vary
  • Incompatible with some anti-virus software
  • Not designed for already compressed files
  • Requires decompression before debugging/modifying
  • Limited to compressing executables

Pricing Comparison

IrfanView
IrfanView
  • Open Source
UPX
UPX
  • Free

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