
Restart Paint.NET to see the new option under the Effects menu.
Paint.NET is a popular raster graphics editor. A common requirement for graphic design and image editing is the ability to create outlines (borders/strokes) around irregular shapes, extracted objects, or text layers. Without plugins, users must resort to complex manual workarounds involving duplicate layers, Gaussian blur, and manual selection.
Paint.NET is a powerful, free image editor, but it does not include a native "outline" tool in its basic installation. To add borders to text or images, users rely on the , a community-created extension that automates what would otherwise be a tedious manual process. Essential Outline Plugins for Paint.NET
You can choose any color for the outline, independent of your current primary/secondary colors.