Flatsonar

ImageGlass

by Duong Dieu Phap

A Fast, Seamless Photo Viewer

Dangerous permissions Verified creator GPL-3.0-or-later v10.0.0

Support the creators

Flatsonar is just the shop window. The people below made ImageGlass.

Screenshot 1 of ImageGlass Screenshot 2 of ImageGlass Screenshot 3 of ImageGlass Screenshot 4 of ImageGlass

About

ImageGlass is a fast, modern, open-source image viewer built for Windows, macOS, and Linux. Designed for speed and efficiency, it delivers a smooth, immersive viewing experience by combining high-performance rendering with professional-grade tools for both everyday users and designers. ImageGlass provides seamless, quick navigation across more than 90 image formats, including WEBP, GIF, SVG, AVIF, JXL, HEIC, and raw images.

Permissions

3 permissions weaken the sandbox. Flatsonar asks before installing.

  • full access to your entire file system
    --filesystem=host
  • sandbox escape: can run commands on the host via flatpak-spawn
    --talk-name=org.freedesktop.Flatpak
  • X11 display: X11 lets apps read input and windows of other apps
    --socket=x11
  • inter-process communication (needed for X11)
    --share=ipc
  • network
    --share=network
  • GPU acceleration
    --device=dri
  • printing
    --socket=cups
  • audio
    --socket=pulseaudio
  • talks to org.freedesktop.FileManager1
    --talk-name=org.freedesktop.FileManager1
  • screensaver inhibit
    --talk-name=org.freedesktop.ScreenSaver

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • installs a prebuilt binary instead of building from source
    source:prebuilt
  • hosted by github.com/d2phap, which owns the io.github namespace of io.github.d2phap.imageglass
    publisher:namespace