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Annotation Tools
ShareX's annotation system is built directly into the image editor, providing a powerful set of tools for marking up screenshots. Whether you're creating tutorials, reporting bugs, or providing design feedback, the annotation tools help you communicate visually.
Arrow and Pointer Tools
- Arrow — Draw arrows with customizable:
- Arrowhead styles (filled, open, line)
- Line thickness and color
- Shadow effects for better visibility
- Curved or straight paths
- Cursor — Insert a mouse cursor image to indicate where to click
Step Numbers
The step numbering system is ideal for creating tutorials:
- Each click places a numbered circle (1, 2, 3...) on the screenshot
- Numbers increment automatically
- Customize the appearance: size, color, border, and shadow
- Reset numbering for different sections of your tutorial
- Combine with arrows and text for comprehensive guides
Text Annotations
Multiple text annotation styles are available:
| Style | Use Case |
|---|---|
| Outline Text | Readable on any background — best for general annotations |
| Background Text | Colored rectangle behind text for strong emphasis |
| Plain Text | Simple text overlay without borders |
| Speech Bubble | Comic-style bubbles for conversational annotations |
Shapes and Highlighting
- Rectangle / Ellipse — Draw borders around important areas
- Filled Shapes — Use semi-transparent fills to highlight regions
- Freehand — Draw custom shapes or write notes by hand
- Line — Connect related elements with straight lines
Obfuscation Tools
Protect sensitive information before sharing screenshots:
- Blur — Gaussian blur effect to fully hide text and details
- Pixelate — Block-style pixelation that obscures while keeping structure visible
- Highlight — Overlay a colored rectangle to draw attention rather than hide
Magnify Tool
- Create a magnified inset of any area on your screenshot
- Adjustable magnification level and size
- Perfect for drawing attention to small details
- Choose between circular and rectangular magnifier shapes
Workflow Efficiency
- All annotation tools are available from a single toolbar
- Keyboard shortcuts for quick tool switching
- Recent colors are saved for quick access
- Undo/Redo with no limit on history
- Copy individual annotations between screenshots
Official References
Official project links
If you need the original docs, release files or project source code, go directly to the official ShareX resources.