RectLabel

RectLabel is an offline image annotation tool for object detection and segmentation. Key features: Using text and box prompts of Segment Anything Model 3, multiple objects are labeled at once Label polygons and pixels using Segment Anything Model 2 Label polygons and pixels using Cellpose model Label bounding boxes using Tracking model Automatic labeling using Core ML models including RF-DETR and YOLO26 Automatic text recognition for lines and words Label cubic bezier curves, line segments, and points Label oriented bounding boxes in aerial images Label keypoints with a skeleton Label pixels with brushes and superpixels Settings for objects, attributes, hotkeys, and labeling fast Search object, attribute, image names, and memo in a gallery view Export to YOLO, COCO, CreateML, and DOTA formats Export indexed color mask image and grayscale mask images Video to image frames, augment images, etc. How to use https://rectlabel.com Privacy policy https://rectlabel.com/privacy Terms of Use https://rectlabel.com/terms The standard RectLabel offers subscription plans, $2,99/month and $9.99/year. RectLabel Pro offers a one-time payment plan, $19.99/one-time. Both apps can use all features.