Browser Support

Page Assist supports multiple browsers with varying levels of feature compatibility. For the best experience, we recommend using the latest versions of Chrome, Edge, or Firefox.

​

Supported Browsers

​

Feature Availability

​

Sidebar

The sidebar feature allows you to interact with your AI model from any webpage in a side panel. Fully Supported:

• Chrome, Brave, Edge, Vivaldi (Chromium-based browsers with sidePanel API)
• Firefox, LibreWolf, Zen Browser (Firefox-based browsers)

Not Supported:

• Opera: Lacks proper sidePanel API implementation
• Arc: Limited extension API support

​

Chat With Webpage

This feature enables contextual conversations about the current webpage content. Fully Supported:

• All browsers with sidebar support
• Requires content script injection and DOM access

Not Supported:

• Opera and Arc: Same limitations as sidebar feature

​

Web UI

The standalone web interface accessible by clicking the extension icon. Fully Supported:

• All browsers listed above including Opera and Arc
• Works as a standard extension popup/new tab page

​

Browser-Specific Details

​

Chrome (Recommended)

• Minimum Version: Chrome 114+
• Installation: Chrome Web Store
• Special Features:
  • Chrome AI (Gemini Nano) support when available
  • Full sidePanel API support
  • YouTube auto-summarize feature (Beta)
• Notes: Best performance and feature completeness

​

Brave

• Minimum Version: Brave 1.55+
• Installation: Install from Chrome Web Store
• Special Features:
  • Brave Search integration available
  • Privacy-focused browsing compatible
• Notes: Fully compatible as Chromium-based browser

​

Firefox (Recommended)

• Minimum Version: Firefox 109+
• Installation: Firefox Add-ons
• Special Features:
  • Sidebar implementation using Firefox’s native sidebar API
  • Enhanced privacy controls
• Notes:
  • Uses Manifest V2 (while Chrome uses V3)
  • YouTube auto-summarize not available
  • Full feature parity with Chromium version

​

Edge

• Minimum Version: Edge 114+
• Installation: Edge Add-ons
• Special Features: Same as Chrome (Chromium-based)
• Notes: Excellent compatibility and performance

​

Vivaldi

• Minimum Version: Vivaldi 6.0+
• Installation: Install from Chrome Web Store
• Notes: Full compatibility as Chromium-based browser

​

LibreWolf

• Minimum Version: Latest stable release recommended
• Installation: Install from Firefox Add-ons
• Notes:
  • Privacy-hardened Firefox fork
  • Full feature compatibility
  • May require adjusting some privacy settings

​

Zen Browser

• Minimum Version: Latest stable release
• Installation: Install from Firefox Add-ons
• Notes: Firefox-based browser with full compatibility

​

Opera (Limited Support)

• Supported Features: Web UI only
• Installation: May install from Chrome Web Store with limitations
• Limitations:
  • No sidebar support due to incomplete sidePanel API
  • Cannot use Chat with Webpage feature
  • Web UI and popup work normally

​

Arc (Limited Support)

• Supported Features: Web UI only
• Installation: May work with Chrome Web Store extensions
• Limitations:
  • Restricted extension API access
  • No sidebar functionality
  • Web UI accessible through extension icon

​

Installation Methods

​

Official Browser Stores (Recommended)

1. Chrome Web Store - For Chrome, Brave, Edge, Vivaldi, and other Chromium browsers
2. Firefox Add-ons - For Firefox, LibreWolf, and Zen Browser
3. Edge Add-ons - Alternative source for Edge users

​

Manual Installation (Development)

For testing or development purposes:

1. Clone the repository
2. Install dependencies with bun install
3. Build with bun run build
4. Load unpacked extension from the build directory

Chrome/Chromium:

• Navigate to chrome://extensions
• Enable “Developer mode”
• Click “Load unpacked”
• Select the build directory

Firefox:

• Navigate to about:debugging#/runtime/this-firefox
• Click “Load Temporary Add-on”
• Select manifest.json from the build directory

​

Technical Requirements

​

All Browsers

• Storage: Unlimited storage permission for chat history and knowledge base
• Active Tab: Access to current tab for Chat with Webpage
• Scripting: Content script injection for page analysis

​

Chromium-Based (Chrome, Brave, Edge, Vivaldi)

• Manifest: V3
• APIs: sidePanel, declarativeNetRequest, action
• Permissions: storage, activeTab, scripting, contextMenus, tts, notifications

​

Firefox-Based (Firefox, LibreWolf, Zen)

• Manifest: V2
• APIs: sidebar, browserAction, webRequest
• Permissions: storage, activeTab, scripting, contextMenus, notifications, webRequest, webRequestBlocking

​

Performance Considerations

​

Best Performance

• Chrome/Edge on Desktop: Optimal performance with Chrome AI support
• Firefox on Desktop: Excellent performance with privacy benefits

​

Resource Usage

• Memory: Varies by AI provider and model size
• Storage: Depends on chat history and knowledge base size
• CPU: Higher during RAG indexing and local AI inference

​

Feature Roadmap

​

Planned Support

• Improved compatibility with Arc browser
• Safari support (under consideration)
• Mobile browser support (future release)

​

Known Limitations

• Opera: Waiting for full sidePanel API implementation
• Arc: Limited by browser’s extension architecture
• Mobile: Current version is desktop-only

​

Reporting Issues

If you experience browser-specific issues:

1. Check the GitHub Issues
2. Include your browser name and version
3. Describe the specific feature not working
4. Provide console error logs if available

​

Recommendation Summary

For Best Experience:

• Chrome - Full features, Chrome AI support, best compatibility
• Firefox - Full features, enhanced privacy, excellent performance
• Edge - Full features, tight Windows integration

For Privacy-Focused Users:

• Brave - Chromium-based with privacy enhancements
• LibreWolf - Firefox-based with privacy hardening

For Basic Usage:

• Opera/Arc - Web UI works, but sidebar unavailable