IN THE FIELD GUIDE
Labelme
labelme.io
Labelme is an AI-powered image annotation tool that runs locally on macOS, Windows, and Linux. It supports polygons, bounding boxes, segmentation, and uses local AI models like SAM2, SAM3, and YOLO-World to assist annotation without uploading images to the cloud.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Oct 8, 2026
A good fit for
- Users who want to annotate images locally with AI assistance without uploading data to the cloud.
Know the limitations
- The Pro dataset toolkit tools run in the terminal and require Python.
What you can do
- Creating training datasets for AI models in agriculture, medical, industrial, and traffic domains.
Features
- Supports polygons, rectangles, oriented rectangles, circles, lines, points, masks, and rich attributes for annotation.
- AI-assisted annotation with local models SAM2, SAM3, and YOLO-World that run offline on your machine.
- Editable polygons and bounding boxes with AI drafts that remain fully editable point by point.
- Exports training-ready datasets in YOLO, YOLO-OBB, and Pascal VOC formats.
Integrations
Not confirmed yet.
Platforms & data export
- Runs on macOS (Apple Silicon), Windows (64-bit), and Linux (64-bit).
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 1 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
A practical workflow
- Open a folder with images locally; outline objects with AI assistance; inspect and fix labels; export training-ready datasets.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
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Plan a switch from Labelme →What changed
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