LightMark - Apple Notes markdown extension

A macOS app that provides a live Markdown preview for Apple Notes. LightMark runs in the background and displays a floating preview window that renders your Apple Notes content in Markdown format.

Features

• 🔄 Live Preview: Real-time Markdown rendering as you type in Apple Notes
• 🎯 Smart Positioning: Preview window automatically positions next to your Notes window
• 🎈 Floating Button: Convenient floating button appears when Notes app is active
• 🖥️ Background Operation: Runs silently in the background without cluttering your dock

How It Works

1. Launch LightMark - The app runs in the background with a menu bar icon
2. Open Apple Notes - A floating "LightMark" button appears in the Notes window
3. Click the Button - Opens a live Markdown preview window positioned next to Notes
4. Type in Notes - Preview updates automatically every 2 seconds while Notes is focused

Installation

Requirements

• macOS 12.0 or later
• Apple Notes app
• Accessibility permissions

Setup

1. Download and launch LightMark
2. Grant Accessibility permissions when prompted:
   • Go to System Settings → Privacy & Security → Accessibility
   • Enable LightMark in the list
3. The app will show a status bar icon and is ready to use

Usage

Basic Usage

• Open Apple Notes and start typing
• Click the "LightMark" floating button that appears
• The preview window will show your note content rendered as Markdown

Supported Markdown Elements

• Headers (# ## ###)
• Bold text (**bold**)
• Italic text (*italic*)
• Code blocks (`code`)
• Lists (ordered and unordered)
• Links and more

Privacy & Permissions

LightMark requires:

• Accessibility Access: To read the focused text content from Apple Notes
• No Network Access: All processing happens locally on your device
• No Data Collection: Your notes stay private and are never transmitted

Troubleshooting

Preview Not Updating

• Ensure Apple Notes is the active/focused application
• Check that accessibility permissions are granted
• Try clicking the floating button again

Floating Button Not Visible

• Make sure Apple Notes app is running and focused
• Restart LightMark from the menu bar

Permission Issues

• Go to System Settings → Privacy & Security → Accessibility
• Remove and re-add LightMark if needed
• Restart the application