d2phap/imageglass

🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows,...

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Summary Information

Updated 13 minutes ago
Added to GitGenius on September 4th, 2026
Created on December 30th, 2012
Open Issues & Pull Requests: 213 (+0)
GitHub issues: Enabled
Number of forks: 746
Total Stargazers: 14,299 (+0)
Total Subscribers: 95 (+0)

Repository Insights (GitGenius)

Median issue/PR response: 29.4 hours
Mean response time: 109.0 days
90th percentile: 239.3 days
Tracked items: 417

How this project is maintained

Around half of the issues opened in the past year never receive a reply. 100% of open issues come from outside the core team, so the backlog reflects real-world use rather than internal planning. Work labelled "ℹ more info required" is answered fastest, typically in about 17 hours, while "🎯 feature" waits about 7 days. 43% of tracked open issues have had no activity in three months. Only 9% of issues opened in the past year have been closed.

Charts & Analytics

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Issue Activity (beta)

Open issues: 104
New in 7 days: 13
Closed in 7 days: 24
Avg open age: 577 days
Stale 30+ days: 85
Stale 90+ days: 73

Recent activity

Opened in 7 days: 10
Closed in 7 days: 24
Comments in 7 days: 3
Events in 7 days: 11

Top labels

  • 🐞 bug (269)
  • 🎯 feature (171)
  • 👌🏻 ready (118)
  • ℹ more info required (19)
  • 🛠 improvement (14)
  • 🐷 upstream issue (7)
  • ⁉ question (5)
  • 😥 limitation (3)

Detailed Description

ImageGlass is a cross-platform image viewer that supports over 90 image formats including WEBP, JXL, SVG, HEIC, AVIF, and raw images on Windows, macOS, and Linux.

The tool addresses the need for fast, efficient image browsing across diverse file formats. It combines hardware-aware smart caching with high-performance rendering to deliver smooth navigation. The viewer includes native SVG rendering, animated format playback for GIF and WEBP, color management with basic HDR support, and a suite of built-in tools for rotation, flipping, cropping, resizing, and lossless compression. Touch gestures, multiple window modes, and customizable themes and hotkeys round out the core experience.

ImageGlass suits users who work with diverse image formats and need responsive performance without bloat. It is particularly valuable for designers and photographers who encounter raw images, vector graphics, and modern formats like AVIF and JXL. The project offers plugin support through its SDK and integrates external tools, making it extensible for specialized workflows. Windows users gain additional features including Explorer sort order support and custom file type icon packs in the standard release.

Development activity shows consistent engagement with the project maintained through regular updates and community channels including Discord and a dedicated website. The maintainers provide comprehensive documentation covering supported formats and features, and they actively manage security concerns by warning users against fake repositories and unauthorized mirrors. The codebase is written in C# using Avalonia for cross-platform compatibility, reflecting a deliberate choice to build a modern, maintainable viewer across multiple operating systems.