MultiMark - Multi-Color Web Highlighter

About

🎯 What MultiMark Does

MultiMark is a powerful text highlighting extension that helps you research, study, and organize information on any webpage. Highlight important text in multiple colors, save queries for automatic highlighting, and navigate through your highlights with ease.

 ✨ Key Features

🎨 Multi-Color Highlighting
• Choose from 8 default colors or add up to 16 custom colors
• Quick highlight with right-click context menu
• Selection toolbar for instant highlighting
• Persistent highlights that survive page refreshes

🔍 Smart Search & Queries
• Create saved search queries that auto-highlight on any page
• Support for case-sensitive, whole word, and regex searches
• Toggle queries on/off individually
• Bulk highlight multiple terms at once

⚡ Productivity Features
• Navigate highlights with keyboard shortcuts (Ctrl+. / Ctrl+,)
• Scrollbar markers show highlight positions
• Export/Import all your data for backup
• Whitelist/Blacklist domains for automatic enabling

🛡️ Privacy & Performance
• 100% FREE - No premium features, no ads
• Works completely offline - No internet required
• Zero data collection - Your highlights stay on your device
• Lightweight and fast using modern CSS Highlight API
• Open source and transparent

 📋 How It Works

1. Select & Highlight: Select any text and click a color from the popup toolbar
2. Create Queries: Add search terms that automatically highlight across all pages
3. Navigate: Use keyboard shortcuts to jump between highlights
4. Organize: Manage your queries, colors, and settings from the popup or options page
5. Export/Import: Backup your highlights and settings to a JSON file

 ⌨️ Keyboard Shortcuts

• Ctrl+Shift+H: Toggle highlighting on/off
• Ctrl+.: Navigate to next highlight
• Ctrl+,: Navigate to previous highlight

 🔒 Privacy Promise

MultiMark respects your privacy:
• No user accounts required
• No cloud sync - all data stored locally
• No analytics or tracking
• No external server connections
• Works on local files and offline pages

 💡 Perfect For

• Students: Highlight key concepts while studying online materials
• Researchers: Mark important information across multiple sources
• Developers: Highlight code patterns and documentation
• Readers: Mark favorite quotes and passages
• Anyone who wants to better organize web information

 🆕 What's New in v1.0.0

• Modern CSS Custom Highlight API for better performance
• Custom color picker with up to 16 colors
• Import/Export functionality for data backup
• Improved navigation with highlight flashing
• Scrollbar markers for quick overview
• Right-click context menu integration
• Domain whitelist/blacklist support

 Data Usage
- No data collection: MultiMark does not collect any user data
- Local storage only: All highlights and settings are stored locally on the user's device
- No remote servers: The extension works completely offline
- No analytics: We don't track usage or behavior
- No personal information: We never ask for or store personal details

Note: MultiMark is 100% free with no hidden costs or premium features. Your privacy is our priority - we never collect, share, or sell your data.