Cross-Platform / Hardware Flexibility Works on GPU when available (which gives much better performance) but can also run on CPU, though slower.
Support for different execution providers (CUDA for Nvidia, CoreML for Apple Silicon etc.) helps.
Single Image Face Swaps. Roop lets you swap a face in a video (or image) using just one image of the target face.
Real-Time / Webcam Use It supports webcam/live mode, so you can see face swaps in real time..
