Simple Normal Tools - Blender 4.0+

Simple Normals Tools, is exactly as described, it gives you some simple Normal Editing tools to help with NPR Toon rendering in Blender.

I mainly made this to make my Anime/Toon workflow a bit quicker, you can see the workflow in this video.

The main features of the addon allow you to select an area surrounded by sharp edges and average the normals, making them all flat.

Smoothing normals which can be useful for some models

Reset Normals which will reset the normals to their default value.