Overview
Download 3D character animations from Mixamo for use with VRM avatars in VTuber applications. Covers login, animation search, download settings, and VRM integration.
URLs
| Page | URL | Purpose |
|---|---|---|
| Home | https://www.mixamo.com/ | Main page |
| Animations | https://www.mixamo.com/#/?page=1&type=Motion | Animation library |
Critical Constraints
- Adobe Account Required: Free Adobe ID needed to access downloads
- Format for VRM: Always use FBX format for VRM compatibility
- Without Skin: Recommended for VRM - uses only bone data, smaller file size
Workflow: Login
1. Navigate to Mixamo
Go to https://www.mixamo.com/
2. Sign In
- Click "Log in" in the top right
- Sign in with Adobe ID
Workflow: Find and Download Animation
1. Browse Animations
- Click "Animations" tab in the top navigation
- Use search box for specific animations:
- "idle" - Standing/breathing motions
- "walk" - Walking animations
- "wave" - Waving gestures
- Or browse by genre filters (Combat, Dance, etc.)
2. Preview Animation
- Click animation thumbnail to preview
- Character plays the animation in preview panel
- Adjust parameters if needed:
- Overdrive: Animation intensity
- Trim: Start/end points
- Mirror: Flip left/right
3. Download
- Click "Download" button
- Configure settings:
| Setting | Recommended | Notes |
|---|---|---|
| Format | FBX | Required for VRM compatibility |
| Skin | Without Skin | Uses only bone data, smaller file |
| Frames per Second | 30 or 60 | Higher = smoother but larger |
| Keyframe Reduction | Default | Usually fine as-is |
- Click "Download" to save FBX file
Recommended Animations for VTuber
| Type | Search Term | Use Case |
|---|---|---|
| Idle | breathing idle | Subtle waiting motion |
| Idle | neutral idle | Default standing pose |
| Gesture | wave | Greeting viewers |
| Reaction | happy | Positive reactions |
VRM Integration Notes
Downloaded FBX animations require bone mapping for VRM:
- Load animation with FBXLoader
- Apply Mixamo-to-VRM bone name mapping
- Create AnimationClip compatible with VRM humanoid
Troubleshooting
| Issue | Cause | Solution |
|---|---|---|
| Download button disabled | Not logged in | Sign in with Adobe ID |
| Animation doesn't fit VRM | Bone name mismatch | Apply Mixamo-to-VRM bone mapping |
| Large file size | "With Skin" selected | Use "Without Skin" option |
Notes
- Mixamo animations are free for commercial use
- "Without Skin" recommended since you provide your own VRM model
- Some animations may need adjustment for VRM proportions