Skip to main content

​
Core Features

ImageGlass is a lightweight, versatile image viewer designed for Windows with a focus on speed, simplicity, and modern design.

​
Image Viewing

  • Auto Zoom - Automatically fits images to window size
  • Lock Zoom - Maintains a fixed zoom level across images
  • Scale to Width - Fits image width to window
  • Scale to Height - Fits image height to window
  • Scale to Fit - Fits entire image within window
  • Scale to Fill - Fills window completely with image
  • Actual Size (100%) - Displays image at original dimensions
  • Navigate through images with keyboard arrows or mouse
  • Jump to first/last image in folder
  • Multi-frame image support (GIF, TIFF, AVIF, HEIC, etc.)
  • Frame-by-frame navigation for animated formats
  • Configurable loading orders (name, date, size, random, etc.)
  • Explorer sort order integration
  • Pan images in any direction using keyboard or mouse
  • Pan to specific sides (left, right, top, bottom)
  • Touch gesture support for panning and zooming
  • Smooth zoom with configurable speed and levels

​
Image Manipulation

Color Operations

  • Invert colors
  • View individual color channels (R, G, B, A)
  • Color picker tool with multiple format outputs
  • Checkerboard background for transparency

Transformations

  • Rotate left/right
  • Flip horizontal/vertical
  • Crop with aspect ratio presets
  • Resize with multiple resampling methods

​
File Management

  • Open images from file, clipboard, or drag-and-drop
  • Save images in multiple formats (AVIF, WEBP, PNG, JPG, JXL, etc.)
  • Rename files directly from viewer
  • Move to Recycle Bin or permanently delete
  • Copy/cut files and image data to clipboard
  • Open images with external editors
  • Set as desktop background or lock screen

​
Advanced Features

​
Window Modes

Press F11 to enter full screen mode for distraction-free viewing. All UI elements are hidden, giving you maximum screen space for your images.

​
Slideshow Mode

  • Automatic image playback with configurable intervals
  • Full screen slideshow support
  • Countdown timer display
  • Pause/resume with spacebar
  • Navigate manually during slideshow
  • Configurable background and zoom settings

​
Customization

  • Modern dark and light themes
  • Custom theme support (JSON-based)
  • System accent color integration
  • Configurable toolbar layout and buttons
  • Gallery/thumbnail bar (top, bottom, left, or right)
  • Customizable keyboard shortcuts
  • Mouse wheel actions (zoom, pan, browse)
  • Mouse button actions (configurable)
  • Touch gesture support
  • Startup boost mode for faster loading
  • Configurable thumbnail cache size
  • Image interpolation settings (scale up/down)
  • Pan and zoom speed adjustment
  • Memory-efficient image loading

​
Tools & Extensions

Built-in Tools

  • Color Picker - Extract colors from images with various format outputs (HEX, RGB, HSL, CMYK)
  • Crop Tool - Crop images with multiple aspect ratio presets
  • Frame Navigator - Navigate and export frames from animated images
  • Resize Tool - Resize images by pixels or percentage
  • Lossless Compression - Optimize image file sizes without quality loss

External Tools

  • ExifGlass for EXIF metadata viewing and editing
  • Custom tool integration via configuration
  • Piped tool support for real-time editing
  • Configurable hotkeys for external tools

​
Multi-Language Support

ImageGlass supports over 40 languages including:
  • English, Spanish, French, German, Italian
  • Chinese (Simplified & Traditional), Japanese, Korean
  • Portuguese, Russian, Polish, Turkish, Arabic
  • And many more…

​
Integration Features

  • Windows Shell Integration - Set as default photo viewer
  • File Association Management - Custom file extension icons
  • Print Support - Print images directly from the viewer
  • Share Integration - Share images via Windows Share menu
  • Auto-update - Keep ImageGlass up to date automatically

​
Technical Features

  • Multi-format Support - Over 90+ image formats supported
  • RAW Format Support - View camera RAW files from major manufacturers
  • SVG Rendering - Vector graphics support with WebView2
  • Multi-frame Images - Full support for GIF, WEBP, TIFF, AVIF, HEIC animations
  • High DPI Support - Crisp display on high-resolution screens
  • Hardware Acceleration - GPU-accelerated rendering for smooth performance

Build docs developers (and LLMs) love

Get started for freeTalk to us