Default image viewer with advanced functionality: rotating, fitting, moving.
Features * No false positives. Detects image tabs in the same way as the browser. * No flicker. Loads before the default viewer. * No appearance changes. It can be changed by other extensions. * The fitting type changing stretches small images. * Rotation around center. * Window resizing centers the image. * Zoom both to the window center and to the cursor. * Integration into the default zoom system. Doesn't affect the page's origin. * Panning uses scrollbars. * Support for custom passive scrollbars. Shortcuts * [R] - Rotate CW 90 degrees * [Shift]+[R] - Rotate CCW 90 degrees *  - Actual size *  - Fill (Cover) *  - Fit * [LMB drag] - Panning You can report bugs on https://github.com/Doliman100/Simple-Image-Viewer
- (2021-04-17) Newtomic: I like this extension a lot, but I miss the zoom-in/out using the mouse wheel... yes I know I can use the default browser Zoom function, but it's not the same thing and it's very limited.
- (2019-06-06) DCM: This is great, would be 5 stars if you had a simple ui with buttons so I don't have to remember the keys.
- (2019-12-30, v:1.0.3) Elisei Kulikovsky: Some points
Please add the ability to change the background color and shortcut keys. Also it would be nice to be able to switch zoom modes by clicking on an image (like in default image viewer), and to choose these modes (like only Fit and Natural). Also Fill mode (2) doesn't work for me.