Mouse wheel
- Scroll: Zoom (optional switch image)
- Hold and move: Select zoom area
- Click: Zoom in/out, or change stretch mode
Left mouse
- Hold and move: Move image
- Double click: Zoom in/out, or change stretch mode
Right mouse
- Hold and move: Select crop area
- Click: Show menu
Mouse back/forward button
- Click: Previous/next image
Other useful feature
- Left/right arrow key: Previous/next image
- Drag-drop image or folder: Then step through images in folder
- Drag-drop images: Then step through those images
- Ctrl+C, Ctrl+V: Copy/paste images from other software
- Ctrl+G: Make GIF animation from drag-droped files, or files in folder
- Ctrl+A: Set crop area to window size
- Ctrl+resize: Hold Ctrl while resizing window to preserve aspect ratio
- Shift+mouse: Toggle mouse zoom and move window behavior
- F2: Show configuration file
Touch capabilities
- Touch and move: Move image
- Two finger zoom: Zoom
- Long touch: Show menu
- Long touch and move: Select crop area
- Double tap: Zoom in/out, or change stretch mode
- Swipe right/left: Previous/next image
Contact: info@onephotoviewer.com
Website: https://onephotoviewer.com