Annotate your screen like a pro
The free, open-source screen annotation toolkit for Windows. Draw, highlight, zoom, record — everything presenters, teachers, and creators need in one app.
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Features
Everything you need to present with confidence
From simple pen annotations to screen recording and camera overlays — all in a single, lightweight app.
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Pen & Highlighter
Draw freely on your screen with a smooth pen and semi-transparent highlighter. Quadratic Bézier interpolation for natural strokes.
Shapes & Arrows
Rectangles, ellipses, lines, and arrows with shift-constrained proportions. Guide your audience with precision.
Text Annotations
Place text directly on screen. Choose size, color, and position for clear callouts during presentations.
Zoom & Magnifier
Magnify any region using the Windows Magnification API. Perfect for showing fine details in code, spreadsheets, or UI.
Mouse Highlight
Spotlight and visual emphasis around your cursor so the audience never loses track of your pointer.
Timer & Countdown
On-screen countdown timer or stopwatch. Stay on schedule during presentations, workshops, and exams.
Boards
Switch between whiteboard and blackboard backgrounds. Unlimited canvas for teaching and brainstorming.
Undo / Redo
50 levels of undo/redo history. Ctrl+Z your way back — mistakes are always recoverable.
Screen Recording
Record your screen to MP4 or GIF directly from the toolbar. No extra software needed.
Camera Overlay
Show your webcam as a floating overlay. Resizable, draggable, and always on top for face-to-face engagement.
Teleprompter
Scrolling scripts visible only to you. Adjustable speed, font size, and transparency for natural delivery.
Notes & Notebooks
Markdown-powered notes visible while presenting. Keep talking points, links, and code snippets at hand.
Mirror Tool
Duplicate a screen region and pin it anywhere. Show code output alongside editor, or zoom into a detail.
Keystroke Overlay
Show pressed keys on screen in real-time. Essential for tutorials, demos, and screen recordings.
Built Different
Designed for real presentations
No compromises on the details that matter when you're in front of an audience.
Multi-Monitor
Transparent overlay spans all your connected displays seamlessly.
Global Hotkeys
Control everything from any app — no need to switch windows.
Click-Through Mode
Annotate while interacting with apps underneath your drawings.
System Tray
Runs quietly in the background. Always ready when you need it.
Lightweight
Modern .NET 10, native performance. Fast startup, low memory usage.
No Account Needed
Fully offline. No login, no cloud, no tracking. Your data stays yours.
Compare
Free vs Pro
The free version is packed with features. Pro unlocks the full toolkit.
Pricing
Simple, honest pricing
Pay once, own it forever. No subscriptions, no hidden fees.
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FAQ