RectLabel is a dedicated macOS application for image and video annotation. It is a simple, clean, and efficient tool that focuses on providing a smooth user experience for bounding box, polygon, and keypoint annotation. It supports exporting to various formats, including YOLO and COCO. Because it is a native macOS app, it is very fast and responsive.
While it lacks the collaborative and advanced AI features of web-based platforms, it is an excellent choice for individual developers or researchers who work primarily on Mac hardware.
It's a pretty straightforward annotation tool, which is nice compared to some of the more complicated options I've looked at. I've been using it for a couple weeks to label images for a small object detection project, but honestly, the polygon tool feels a little awkward to use – it's not as intuitive as I'd hoped.
It's a pretty straightforward annotation tool, which is nice compared to some of the more complicated options I've looked at. I've been using it for a couple weeks to label images for a small object detection project, but honestly, the polygon tool feels a little awkward to use – it's not as intuitive as I'd hoped.
It's a pretty straightforward annotation tool, which is nice compared to some of the more complicated options I've looked at. I've been using it for a couple weeks to label images for a small object detection project, but honestly, the polygon tool feels a little awkward to use – it's not as intuitive as I'd hoped.
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