# PenAnywhere

> Cross-platform screen annotation tool. Draw on anything. Annotate everything.

PenAnywhere is a lightweight macOS screen annotation app that lets you draw, highlight, and annotate directly on your screen over any app. Built natively with Swift and AppKit for maximum performance (under 25MB RAM, under 2ms stroke latency). Available on the Mac App Store.

## Product

- [Home](https://penanywhere.com/): Product overview, features, pricing, and download
- [Support](https://penanywhere.com/support): Help and contact information
- [Changelog](https://penanywhere.com/changelog): Release history and version notes

## Features

- Pressure-sensitive freehand drawing (pen, highlighter)
- Shape tools: arrow, rectangle, ellipse, line
- Text annotations
- Gradient strokes with 8 curated presets (Sunset, Electric, Neon, Candy, Aurora, Cosmic, Coral, Smoke)
- Cursor effects: spotlight, click ripple, pointer trail, magnifier, cursor highlight
- Backdrop modes: blackboard, whiteboard
- Infinite canvas for unlimited drawing space
- Auto-numbering for step-by-step annotations
- Undo/redo, screenshot export, clipboard copy
- Global keyboard shortcuts (customizable)
- Multi-display support
- Works over Zoom, Teams, Meet, Keynote, PowerPoint, OBS, VS Code, and any app

## Technical

- Native Swift + AppKit (not Electron)
- NSPanel overlay (non-activating, no focus stealing)
- Carbon RegisterEventHotKey for global shortcuts (zero permissions)
- ScreenCaptureKit for magnifier (optional, runtime TCC prompt)
- App Sandbox with only 2 entitlements
- Zero data collection, fully offline

## Legal

- [Privacy Policy](https://penanywhere.com/privacy): No data collected, runs entirely on device
- [Terms of Service](https://penanywhere.com/terms): Terms and conditions

## Brand

- Founded by Manthan Patel
- Website: https://penanywhere.com
- Contact: privacy@penanywhere.com