Labelme
Image annotation tool for polygon, rectangle, circle, and line annotations.
About
Labelme is a graphical image annotation tool written in Python with a Qt interface, inspired by the original MIT LabelMe project. It supports polygon, rectangle, circle, line, and point annotations for tasks such as semantic segmentation, bounding-box detection, and classification, and exports JSON that converts to common dataset formats. It offers multi-language interfaces and runs on Windows, macOS, and Linux. MIT licensed.
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Details
- Category
- Data Labeling & Annotation
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Beginner (1/5)
- License
- MIT
- Added
- Apr 3, 2026
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