EasyCollider

Bought TruePhysbones before? You should have more than enough points to get EasyCollider for free^^. More products will be released as well, that you can purchase with loyalty points.

Easy Collider creates tightly fitted VRChat PhysBone Colliders or Unity Colliders directly from your avatar’s geometry or authored PhysBone volumes.

Select one or more bones, preview the result, and create correctly positioned spheres, capsules, or boxes.

Fit from the right source

• Automatic: Uses a PhysBone’s authored collision envelope when available and skin weights everywhere else.
• Skin Weights: Finds the part of the mesh genuinely controlled by each selected bone.
• PhysBone Envelope: Fits around the complete simulated chain, including endpoints, radius curves, scaling, and multi-child behavior.

The generated collider is written as a child of the bone, so you can still adjust it normally afterward.

Preview before creating anything

The Scene view shows:

• Green points: geometry included in the fit
• Red points: geometry rejected by the filters
• Wireframe preview: the exact collider that will be created
• Measured coverage and the farthest excluded sample
• Which meshes contributed to the result

Exclude an unwanted clothing mesh or adjust a setting and the preview updates immediately.

Sphere, capsule, or box

Choose the collider shape yourself or use Auto to select between a sphere and capsule.

Candidate orientations are evaluated against the requested shape, then refined for a snug result. PhysBone-envelope fits receive an additional containment pass so the generated collider cannot be smaller than the authored volume it represents.

Batch workflow

Select multiple bones and fit them together. Easy Collider reads the avatar’s meshes once, previews every result, and can create all colliders in one operation.

Re-running the tool can overwrite its existing collider children instead of stacking duplicates.

Open from:

Tools > Easy Collider > Fit Colliders To Bones

Will the addon be supported post-launch with updates and bugfixes?
EasyCollider will continue to receive long-term support for the foreseeable future, and it will be ported to Unity 6 when VRChat releases a compatible SDK. Existing customers won't have to pay separately for the Unity 6 version.

You may use EasyCollider in your personal and commercial projects, anything you create with it is fully yours with no restrictions and no attribution required. The tool embeds nothing in your content(that isn't normal vrchat colliders), so avatars you sell or commission never require your buyer to own a copy.
You may not redistribute, resell, share, alter, or decompile the tool itself. Full terms in LICENSE.md.