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ControlNet Aux
ControlNet Aux is a ComfyUI node pack of preprocessors that turn images into ControlNet hint maps such as edges, depth, poses and line art.
ControlNet Aux, short for ComfyUI's ControlNet Auxiliary Preprocessors, is a free node pack by Fannovel16 for people who guide image generation with ControlNet or T2I-Adapter models. Each node converts a reference picture into a hint image the control model understands. Line extractors include Canny, HED, PiDiNet, M-LSD, scribble and several line art styles, depth and normal estimators include MiDaS, Zoe, LeReS, Depth Anything V2 and Metric3D, and pose nodes cover OpenPose, DWPose, MediaPipe Face Mesh and animal poses. Optical flow estimators are also included. An AIO Aux Preprocessor node offers almost every preprocessor from one node, while the individual nodes expose their own threshold settings. The pack installs through ComfyUI Manager, downloads its annotator models from Hugging Face and is Apache 2.0 licensed.
ControlNet Aux at a glance
Key features
- Line extractors including Canny, HED, M-LSD and line art
- Depth and normal maps from MiDaS, Zoe and Depth Anything V2
- Pose estimation with OpenPose and DWPose
- MediaPipe face mesh and animal pose nodes
- AIO Aux Preprocessor node covering most preprocessors
- Optical flow estimators
Use it for
- Copy a pose from a reference photo into a new image
- Keep a room's layout with a depth map while changing its style
- Turn a sketch or photo into line art guidance
Companions
Tools that articles about ControlNet Aux recommend using with it, each with its job.
Alternatives to ControlNet Aux
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- ComfyArt — Runs fully locally on ComfyUI with no account or cloud required.
- ComfyUI Impact Pack — Detect-and-refine nodes that fix faces and small details
- ComfyUI Copilot — Automates ComfyUI workflow generation, error debugging, and parameter tuning.
- ComfyUI Nunchaku — Optimized infrastructure reducing inference costs and generation latency.
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- Flux — Runs via API or as open weights on your own infrastructure.
- Photocraft Companion — Runs local GPU-accelerated AI models directly on active canvas layers without sandboxing
- Wardrobe — Extracts garments and generates modeled lookbooks locally.
- FLUX 3 Klein — Supports text-to-image generation and image editing with up to four reference images.
All ControlNet Aux alternatives