F1 - Show Help Z - Reset Aspect Ratio X - Change background color W - Move Canvas Up by 10px S - Move Canvas Down by 10px A - Move Canvas Left by 10px D - Move Canvas Right by 10px Q - Resize Canvas by +32px E - Resize Canvas by -32px F - Fit window to canvas G - Set canvas size to image size H/SPACE - Fit canvas to window J - Resize Canvas to 2* Window Size K - Resize Canvas to 2* Canvas Size L - Resize Canvas to Canvas Size / 2 O - Open file(s) C - Rotate Canvas Counter-Clockwise V - Rotate Canvas Clockwise M - Maximize/Restore the window ESCAPE - Exit CTRL+V - Open image from clipboard Left-Drag - Move Canvas Right-Drag - Resize Canvas relative to the mouse pointer position CTRL+Right-Drag - Resize Canvas relative to the mouse pointer position and ignore the aspect ratio