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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
Editing points to fit the shape
Create a label dialog from settings
Settings for objects, attributes, and hotkeys
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 website.

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

Have questions?
Send an email to

Thank you.