RectLabel for object detection

Developer: Ryo Kawamura

Current Version: 1.79

Last Updated: 2 days ago

Download Size: 326.2 KB - Download


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 [email protected]

Thank you.


Release Notes:

- Added "Clear" button on the label dialog to clear the selected attribute items.
- Added "Sort images by latest modified date" to the settings dialog.
This is useful if you often add new images to the folder.