AcFun面捕助手 for Windows

Quick overview

AcFun面捕助手 is a dedicated facial- and motion-capture utility built for VTubers on the AcFun platform. It lets creators bring their virtual personas to life by driving Live2D and VRM avatars with real-time tracking, turning facial expressions and body movements into smooth on-screen animation for streams and recorded content.

Supported avatar formats

• VRM models (compatible with many 3D VTuber rigs)
• Live2D characters (2D rigs commonly used by VTubers)

Main capabilities

• Motion capture for body/upper-body movement, enabling natural gestures and posture
• Real-time facial expression tracking to reflect emotions instantly on the avatar
• Multiple capture modes, giving flexibility for different streaming setups
• Easy import and setup so you can connect a model and start animating quickly

Who this helps most

• VTubers seeking a more expressive stage presence
• Streamers and content creators wanting live, animated reactions
• Anyone producing virtual performances who needs a straightforward capture workflow

Platform and cost

AcFun面捕助手 is distributed free of charge for Windows users and is listed under Utilities & Tools, making it an accessible option for a wide range of creators who need a practical capture solution without licensing expenses.

Complementary tools and alternatives

• OBS Studio — for live streaming and scene composition, integrates well with capture tools
• Google Docs (free) — useful for collaborative scripts, schedules, and planning content
• Other VTuber suites — many commercial and open-source packages offer overlapping capture and avatar management features