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The easiest & fastest way to annotate images for vision AI. | Created by @wkentaro_ | 16K GitHub stars

Joined November 2023
On labelme.io, the Windows download now goes to the Microsoft Store. The .msi installer is still there if you need it.
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Labelme is now on the Microsoft Store. Click Get, then Open, and you can start annotating. Windows doesn't show the blue warning screen anymore. apps.microsoft.com/detail/9M…
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We'll soon bring this into Labelme so you get a much smoother local annotation experience
SAM3 now runs offline on your GPU. An ONNX export of Meta's SAM3 that runs on NVIDIA CUDA and Apple CoreML. Besides text, it takes several example boxes, negative boxes and clicks as prompts. A text prompt takes 0.37 s on an M5 MacBook Pro and 0.08 s on an RTX 3080 Ti.
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Turn it on in File › Connect AI Agent… and click Add to Claude Desktop. ChatGPT and Claude Code take one click too.
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Your AI agent can now annotate in Labelme. It looks at the image you open, reads existing shapes, adds new or deletes wrong ones. You approve each change.
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Fit to Selection zooms to each shape you select. Turn it on with Ctrl+Shift+F and step through the Shape List with the arrow keys.
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Labelme v7.9 is built for reviewing annotations. Lock each shape you have checked with Ctrl+Shift+L. Labelme won't move, reshape, relabel or delete it until you unlock it. The lock is saved in the JSON file.
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New icon dropped. Hope you (will) like it
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You can now download and manage AI models right in Labelme’s Settings. Keep annotating while models download in the background. Included in Labelme 7.6.
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Launch Labelme with nothing open and it now shows where to start: Open Image, Open Directory, or drop files onto the canvas
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