Who wants neat Blender stuff? GP_Mesher is a one-node solution to turn any Grease Pencil object into a mesh. Watch the video, it'll tell you!
Just $5+, available on Itch and the Blender Market:
Extra Special Thanks to Joey Carlino, who's Geo Nodes remeshing process changed the way I work forever, and who's experiments with Grease Pencil in Blender 4.3 formed the bedrock of this node setup.