Labelme
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  • Getting started
  • 1. Annotate your first image
  • 2. Edit annotations and work through a folder
  • 3. Try AI-assisted annotation
  • Installation
  • Install Labelme as App
  • Install Labelme using Terminal
  • Install Labelme using Terminal (old way)
  • Install Labelme Toolkit
  • All released versions
  • Troubleshoot
  • Use annotations in Python
  • Read annotations with Python
  • Export a polygon mask to PNG
  • Read an exported mask
  • Annotation reference
  • Shape tools and editing
  • AI prompts and models
  • Connect an AI agent
  • Toolkit Docs
  • ai-annotate-rectangles
  • ai-text-to-annotations
  • ai-rectangle-to-mask
  • export-to-voc
  • export-to-yolo
  • export-to-yolo-obb
  • extract-image
  • import-from-yolo
  • import-from-yolo-obb
  • json-to-mask
  • json-to-masks
  • json-to-visualization
  • list-labels
  • print-stats
  • rename-labels
  • resize-image
  • Dataset Guide
  • 1. Download real dataset
  • 2. Verify dataset visually
  • 3. Verify dataset statistically
  • 4. Additional data collection
  • 5. Export dataset
  • Bonus: PyTorch dataset class

Annotation reference

  • Shape tools and editing
  • Draw and finish a shape
  • Edit existing annotations
  • Read stored coordinates
  • AI prompts and models
  • Download and select a model
  • Adjust polygon detail
  • Points and boxes
  • Text prompts
  • Connect an AI agent
  • Turn it on in Labelme
  • Claude desktop app
  • ChatGPT desktop app
  • Claude Code, Codex, Cursor and other apps
  • Where your images go
  • Questions