PolyAnnot v2.0 — AI Polygon Annotation

Image Input

Click to select an image
or drag and drop it here
JPG, PNG, WebP supported

Annotation Mode

Polygon YOLO + SAM
Precise masks

Bounding Box YOLO only
Fast detection

Polygon: SAM generates pixel-accurate masks. Slower but precise.

Actions

Upload an image and click
Run Annotation to start

Scroll to zoom · Click and drag to move

Tip: Scroll to zoom · Click and drag to move the image · Use panel on left to review

Drag points · Right-click to delete

100%

Annotating Image

YOLO + SAM pipeline · 15–60s

Upload ImageSending to serverWaiting

YOLO DetectionDetecting objectsWaiting

SAM SegmentationGenerating masksWaiting

Polygon ExtractionConverting masksWaiting

Export COCO JSONSaving datasetWaiting

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