NOTE: This add-on is no longer actively maintained. It might not work on newer Anki versions.
I recommend using the updated add-on by shige instead.
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Draw or edit images while adding and editing cards!
How to Use
To create a new image, click the button (A pen scribbling on a paper) on the toolbar.
To edit an existing image, right click an image and click 'Edit Image'.
After editing, click 'Save' to save the image.
If you have the same image across multiple notes, check 'Replace All' to replace all of them with the new image. Otherwise, only the image on that one note is edited.
If you are using Anki v2.1.50+, the image should not be selected when you right click on the image. Or the 'Edit Image' context menu will not show up.
Image Editing Tools
Long press the button to access the shape library
Left color square is the fill color, Right color square is stroke color.
Miscellaneous
Github Link