Anthropic by Claude in Sidebar
Ask any question about the page you visit with Claude AI in the sidebar.
Extension Metadata
Screenshots
About this extension
🤖 Claude AI in your Firefox sidebar — ask questions about any webpage without switching tabs or copy-pasting.
✨ What you can do:
📄 Summarize long articles and documentation
💡 Explain complex topics or code
🌍 Translate foreign-language pages
🔍 Fact-check claims as you read
✍️ Draft emails or notes based on the page
🪟 The sidebar stays visible while you browse — read and chat side by side.
🔐 Requires a Claude.ai account (free or paid). Conversations go directly between you and Anthropic.
✨ What you can do:
📄 Summarize long articles and documentation
💡 Explain complex topics or code
🌍 Translate foreign-language pages
🔍 Fact-check claims as you read
✍️ Draft emails or notes based on the page
🪟 The sidebar stays visible while you browse — read and chat side by side.
🔐 Requires a Claude.ai account (free or paid). Conversations go directly between you and Anthropic.
Rated 5 by 4 reviewers
Permissions and data
Required permissions:
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2.0.1
- Size
- 241.5 kB
- Last updated
- 19 days ago (25 Apr 2026)
- Related Categories
- Licence
- Mozilla Public Licence 2.0
- Version History
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