Aescripts - CenterLine v1.0.2 
https://aescripts.com/centerline/

• CenterLine is an After Effects plugin that extracts clean, single-pixel skeletal vector paths from any raster artwork. Using Zhang-Suen thinning, Schneider Bézier fitting, and Ramer-Douglas-Peucker optimization, it instantly converts bitmap sketches, logos, or calligraphy into lightweight, native After Effects Shape Layers, ready for perfect, smooth write-on animations with Trim Paths, and many more abilities.