ComfyUI Annotations

A lightweight annotation overlay for ComfyUI. Draw freehand notes directly on your workflow canvas.

Features

• Freehand Drawing - Smooth pen strokes with adjustable color, size, and opacity
• World-Space Annotations - Strokes stay anchored to nodes during zoom/pan
• Eraser Tool - Remove strokes with visual cursor feedback
• Undo/Redo - Full history support (Ctrl+Z / Ctrl+Shift+Z)
• Auto-Save - Annotations persist with your workflow file
• Performance Optimized - Handles thousands of strokes smoothly
• Non-Destructive - No workflow data modification

Installation

ComfyUI Manager (Recommended)

1. Open ComfyUI Manager
2. Search for "Annotations"
3. Click Install
4. Restart ComfyUI

Git Clone

cd ComfyUI/custom_nodes
git clone https://github.com/0dot77/comfyui-annotations.git

Manual

1. Download the latest release
2. Extract to ComfyUI/custom_nodes/comfyui-annotations/
3. Restart ComfyUI

Quick Start

1. Press A to toggle annotation mode
2. Draw with your mouse, trackpad, or pen tablet
3. Press A again to exit and resume normal editing
4. Save your workflow - annotations are included automatically

Keyboard Shortcuts

Key	Action
A	Toggle annotation mode
P	Pen tool
E	Eraser tool
T	Collapse/expand toolbar
Ctrl+Z	Undo
Ctrl+Shift+Z	Redo
Escape	Exit annotation mode

Toolbar

Located in the top-right corner:

• Mode Toggle - ON/OFF button
• Tools - Pen and Eraser
• Pen Settings - Size, opacity, color presets
• Actions - Undo, Redo, Clear All

Browser Support

Browser	Status
Chrome 90+	✅ Full support
Edge 90+	✅ Full support
Firefox 88+	✅ Full support
Safari 14+	✅ Full support

Uninstall

Remove the comfyui-annotations folder from custom_nodes/ and restart ComfyUI.

Your workflows remain intact - annotations are simply ignored when the extension isn't installed.

Contributing

1. Fork the repository
2. Create a feature branch
3. Submit a pull request

License

MIT License