https://blendermarket.com/products/simple-collider

Simple Collider makes creating physics colliders for games fast and straightforward. It supports common collider types like Box, Sphere, Capsule, Convex, and Mesh as well as complex operations like Auto Convex decomposition and Oriented Bound Box generation. Simple Collider is made to work with game engines like UE, Unity, and Godot.  The addon’s simple user experience and UI lets you adjust colliders directly in the 3D Viewport, making it easy to see and control what you're doing. You can create colliders in Object or Edit-mode, for entire selections or specific parts of a mesh. Plus, you can choose to work with pre- or post-modifier mesh data, giving you the flexibility and speed you need.