RectLabel is an offline image annotation tool for object detection and segmentation.
Draw polygons, cubic bezier curves, line segments, and points
Draw oriented bounding boxes in aerial images
Draw keypoints with a skeleton
Draw pixels with brushes and superpixels
Read/write in PASCAL VOC xml and YOLO text formats
Export to CreateML object detection and image classification formats
Export to COCO, Labelme, YOLO, DOTA, and CSV formats
Export indexed color mask image and grayscale mask images
Settings for objects, attributes, hotkeys, and labeling fast
Customize the label dialog to combine with attributes
1-click buttons speed up selecting the object name
Auto-suggest works for more than 5000 object names
Search object, attribute, and image names in a gallery view
Automatic labeling using CoreML models
Automatic text recognition using OCR
Video to image frames, augment images, etc.
How to use
Post the problem to our Github issues page.
Have questions? Send an email to our support team.