RectLabel

An image annotation tool to label images for bounding box object detection and segmentation.

Download on the App Store
Draw bounding boxes and read/write in YOLO text format Draw oriented bounding boxes in aerial images Draw polygons, cubic bezier curves, line segments, and points Editing points to fit the shape Export index color mask image and separated mask images Draw keypoints with a skeleton Export keypoints and pixels objects to COCO JSON file Label pixels with brush and superpixel tools Label pixels with brush and superpixel tools Settings for objects, attributes, hotkeys, and labeling fast Automatically label images using Core ML models 1-click buttons speed up selecting the object name Auto-suggest works for more than 5000 object names Search object/attribute names and image names Video to frames, augment images, etc. Video to frames, augment images, etc.

Key features

Draw bounding boxes and read/write in YOLO text format

Draw oriented bounding boxes in aerial images

Draw polygons, cubic bezier curves, line segments, and points

Draw keypoints with a skeleton

Label pixels with brush and superpixel tools

Read/write in PASCAL VOC xml or YOLO text formats

Export to YOLO, Create ML, COCO JSON, and CSV formats

Export index color mask image and separated mask images

Settings for objects, attributes, hotkeys, and labeling fast

Automatically label images using Core ML models

1-click buttons speed up selecting the object name

Auto-suggest works for more than 5000 object names

Search object/attribute names and image names

Video to frames, augment images, etc.

Privacy policy

We do not collect any images, annotations, and settings data.

Terms of Use

Paid subscriptions or One-time payment

Report issues

Post the problem to our Github issues page.

Have questions?

Send an email to support@rectlabel.com

Thank you.