ImageZeus

Fast, lightweight Windows image viewer built with C# and Avalonia.

Download

Grab the latest ImageZeusSetup.exe from the Releases page.

Windows SmartScreen warning: Because the installer isn't code-signed, Windows may show "Windows protected your PC" when you run it. Click More info → Run anyway to proceed. This is normal for unsigned open-source apps.

Features

• WebP, GIF, PNG, JPEG, BMP, TIFF support with animated GIF/WebP playback
• Mini panel scrubber for fast folder navigation
• Screen capture tool with aspect ratio, fixed size, and resize constraints
• Non-destructive rotate and flip with save-back
• Background daemon for near-instant open from Explorer
• Registers as a Windows Default App for image file types

Build from Source

Prerequisites

• .NET SDK 8.x
• Windows 10/11

dotnet build ImageZeus.sln
dotnet run --project ImageViewer.App -- "C:\path\to\image.jpg"

Self-contained executable

.\publish.bat
# output: publish\ImageZeus.exe

Installer

Requires Inno Setup 6.x. Run publish.bat first, then:

iscc installer\ImageZeus.iss
# output: installer_output\ImageZeusSetup.exe

License

MIT — see LICENSE.