About this extension

** Try refreshing the page if the button doesn't appear **

Rotate
- support 0°, 90°, 180°, 270°
- affect youtube video preview

Zoom / Mirror
- support zoom (scale), translate x,y , crop, mirror (flip)
- support long press +,- button
* the value will be reset after pressing the reset button or the rotate button
* not affect youtube video preview
* need to adjust value for normal mode and full screen mode

Shortcuts
- Rotate : ctrl+shift+9 or ctrl+shift+/
- Zoom in : ctrl+shift+.
- Zoom out : ctrl+shift+,
- Move left : ctrl+shift+arrow-left
- Move right : ctrl+shift+arrow-right
- Move up : ctrl+shift+arrow-up
- Move down : ctrl+shift+arrow-down
- Mirror : ctrl+shift+8 or ctrl+shift+'
- Reset Zoom/Move/Mirror Options : ctrl+shift+7 or ctrl+shift+z
- Reset Crop : ctrl+shift+1 or ctrl+shift+[
- Crop move out : ctrl+shift+2 or ctrl+shift+]
- Crop move in : ctrl+shift+3 or ctrl+shift+\

You can change Shortcuts via Manage Extension Shortcuts
- How to Manage extension shortcuts : link
- Possible Key Combinations : link

Developer comments

v5.4.4
Added
- Play video in full screen on first click
- Auto-Rotate Screen
The file size has increased considerably because of the model files used for face and pose detection
If you don't use this feature, you can stay on version v5.3.9
on add-on Details tab > Allow automatic updates > Off
======
For anyone who has encountered "Zoom/Mirror" problem can rollback to version 5.3.2 or 5.2.7
https://addons.mozilla.org/en-US/firefox/addon/rotate-youtube-video/
See all versions > choose version > donload file
and on add-on Details tab > Allow automatic updates > Off

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