Two real object detectors run in your browser (about 41 MB the first time). Your photo is never uploaded.

SSD

SSDLite, MobileNetV2 backbone · 1,917 anchor boxes at 6 scales · COCO, 80 classes

Tiny-YOLOv3

two grids (13 × 13 and 26 × 26) × 3 anchors per cell · COCO, 80 classes