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d2phap/ImageGlass

A fast, open-source image viewer for Windows, macOS and Linux that opens 90+ formats including WEBP, JXL, SVG, HEIC and AVIF.

Open-source alternative to:Windows PhotosACDSee

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What is it?

ImageGlass is a desktop image viewer aimed mainly at photo browsing. It opens more than 90 image formats, including WEBP, JXL, SVG, HEIC, AVIF, HDR and common raw files, and runs on Windows, macOS and Linux.

Beyond viewing, it offers a set of focused tools such as rotate, flip, crop, resize, color picker and lossless compression, plus slideshows, animated GIF, WEBP and SVG playback, and zoom modes with cursor-precise control. Users can customize themes, layouts, hotkeys and toolbar or mouse actions, and extend the app with plugins built on its SDK.

The project also offers a Pro edition with preset app configs, admin-locked settings and feature locks for managed deployment across platforms.

Key features

  • 01Supports 90+ image formats, including WEBP, JXL, SVG, HEIC and AVIF
  • 02Turbo mode and hardware-aware caching for fast browsing
  • 03Animated GIF, WEBP and SVG playback
  • 04Basic editing tools such as rotate, crop, resize and lossless compression
  • 05Customizable themes, layouts, hotkeys and actions
  • 06Plugin and external tool support through ImageGlass.SDK

Use cases

  • Browsing a large local photo library across Windows, macOS and Linux
  • Viewing HEIC, AVIF or JXL images that default viewers may not open
  • Making quick crops, rotations or color picks without a full editor
  • Deploying a preconfigured viewer across managed devices with the Pro edition

Quick start

  1. 1

    Download ImageGlass from the official website or GitHub releases

  2. 2

    Build the Version 10 app from the source folder using Visual Studio 2026 on Windows, or VS Code on macOS and Linux

  3. 3

    For debug builds, copy the contents of source/__assets/__app/ beside the ImageGlass executable before launching it

Things to know

  • Pre-built Version 10 downloads are for Windows, macOS (Apple Silicon only) and Linux X11 only.
  • Managed deployment features and some tools are available only in the paid Pro edition.
  • Some features, such as Windows Explorer integration and custom icon packs, are Windows-only.

Topics

#image-viewer#photo-viewer#csharp#dotnet#cross-platform#avif#heic#jpeg-xl#avalonia#imageglass

FAQ

What is ImageGlass?
A fast, open-source image viewer for Windows, macOS and Linux that opens 90+ formats including WEBP, JXL, SVG, HEIC and AVIF. ImageGlass is a desktop image viewer aimed mainly at photo browsing. It opens more than 90 image formats, including WEBP, JXL, SVG, HEIC, AVIF, HDR and common raw files, and runs on Windows, macOS and Linux.
Is ImageGlass free to use? What license does it have?
ImageGlass is open source under the Other license. Check the license terms before using it in commercial products.
Is ImageGlass still maintained?
Actively maintained. The last commit to ImageGlass was on Oct 21, 2026.
What can I use ImageGlass for?
Browsing a large local photo library across Windows, macOS and Linux Viewing HEIC, AVIF or JXL images that default viewers may not open Making quick crops, rotations or color picks without a full editor Deploying a preconfigured viewer across managed devices with the Pro edition
How do I install ImageGlass?
Download ImageGlass from the official website or GitHub releases Build the Version 10 app from the source folder using Visual Studio 2026 on Windows, or VS Code on macOS and Linux For debug builds, copy the contents of source/__assets/__app/ beside the ImageGlass executable before launching it
Where can I get ImageGlass?
The source code and installation instructions are on GitHub: https://github.com/d2phap/ImageGlass

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