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RectLabel for object detection

Developer Tools Photography
Developer: Ryo Kawamura
0.99 USD

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

Key features:
Drawing bounding box, polygon, and cubic bezier
1-click buttons make your labeling work faster
Customize the label dialog to combine with attributes
Settings for objects, attributes, hotkeys, and labeling fast
Layer order for overlapped boxes
Zoom in on a point
Quick zoom to existing boxes
Support the PASCAL VOC format

The details are described on our support page.

Found some problems?
Post the problem to our Github issues page

Have questions?
Send an email to

Thank you.