Mixamo

Mixamo is a web-based tool for animating 3D characters. It offers a library of pre-rigged characters and thousands of motion-captured animations that you can apply to those characters with a few clicks. You can upload your own 3D models, and Mixamo will automatically rig them with a full human skeleton, ready for animation. The whole process happens in your browser, no special software required.

Mixamo stands out because it combines several steps that usually take separate tools. You pick a character or upload your own, choose an animation from a library of walk cycles, combat moves, dance moves, and more, and see it applied instantly. You can fine-tune animations on a timeline and adjust things like wind or ground position. When you're done, you export in formats like FBX for Unreal Engine, Unity, or other 3D software. The auto-rigging feature also includes optimizations for mobile performance, which is helpful for smaller game projects.

This tool is most useful for game developers, indie studios, and 3D animators who need to update a character quickly. You can animate a character in minutes without knowing rigging or keyframe animation. It also works for film projects and illustration where you need a character to move naturally. Since Mixamo is free and runs in a browser, it's a practical starting point for students and hobbyists learning character animation.