Bounding Box & Polygon Image Annotator
Interactive canvas tool for single/batch object bounding boxes, polygons, keypoint labeling with YOLO and COCO JSON export.
Key Features:
- 100% Local & Private: All processing is done inside your browser. No files are uploaded to any server.
- Free Online Access: No subscription, no registrations, no watermarks, completely unlimited.
- WASM/W3C Powered: Running local CPU/GPU engines with client-side sandbox execution.