**Side Copilot** is a browser extension that puts an AI agent in a side panel to help you research, organize, and automate the web without breaking your workflow. Here's what it does: **🗂️ Vertical Tabs Manager** - Displays all your open tabs vertically in a side panel for easier scanning and switching **🌌 Spaces** - Organize tabs into themed groups (Workspace, Social Media, Shopping, Personal, Study, etc.) - Focus on one space at a time without distraction - All spaces sync across Chrome, Edge, Brave, Firefox, and other supported browsers **💬 Chat Mode** - Chat with AI about your open tabs - Summarize page content - Extract key information from multiple tabs at once **🤖 Agent Mode** - The AI can actually *take actions* in your browser: - Group tabs automatically - Search browser history - Restore closed windows/tabs - Arrange windows (cascade, grid) - Merge multiple windows - Take screenshots - Mute tabs - Daily wrap-up summaries - Research topics across the web **⚡ Shortcut Features** - Analyze/explain any page - De-duplicate tabs - Suspend tabs to free memory - Split windows - Export sessions - Fuzzy search for tabs - Custom themes and dark mode It's essentially a smarter, AI-powered way to manage browser chaos—16,000+ users according to their site.