Chat with AI on any webpage AI
Select text to ask, sidebar for multi-turn chat, @tab to reference other pages. Bring your own API key. Supports DeepSeek, OpenAI and any compatible API.
Quantum entanglement is a phenomenon where two or more particles become interconnected.
Measuring one particle instantly affects the other, regardless of distance
Built for Efficient Browsing
Nine core capabilities covering every AI use case while you browse.
Text Selection Popup
Select any text or image on a webpage to open an AI toolbar. Explain, translate, summarize, or continue the conversation in the popup.
Sidebar Chat
Native browser Side Panel with Markdown rendering, code highlighting, and copy buttons. Multi-turn conversations with persistent context.
Web Search
DuckDuckGo web search integration. AI answers based on real-time search results, not limited to training data.
@tab References
Type @ in the sidebar to reference other open tabs. Deepdeep automatically extracts page content as context.
Page-Level Actions
One-click page summary, full-page translation, or content explanation. Also available via right-click context menu.
Multi-Session Management
Up to 20 independent chat sessions with persistent storage, auto-generated titles, and Markdown export.
BYOK Zero Data Collection
Bring your own API key. No servers, no analytics, no telemetry. All conversations go directly from your browser to your AI provider.
6+ AI Providers
Built-in presets for DeepSeek, MiMo, OpenAI, Anthropic, OpenRouter, plus any OpenAI-compatible API.
Streaming + Stop Generation
SSE real-time AI responses with AbortController support to stop generation anytime.
Ask AI Instantly
Select any text on a webpage and a toolbar pops up. Explain, translate, summarize, or ask follow-up questions. No copy-paste, no tab switching.
- One-click explain / translate / summarize
- Continue conversation in popup
- Shadow DOM isolation, no page interference
Quantum computing leverages superposition and entanglement to achieve exponential speedup on certain problems.Superposition allows qubits to exist in multiple states simultaneously
Image Understanding
Select any image on a webpage and Deepdeep uses multimodal models to describe its content. Screenshots, charts, memes — all understood.
- Auto-trigger on image selection
- Multimodal model support
- Follow-up questions in popup
This image shows a data visualization chart displaying user growth trends over the past 12 months...
@tab References
Type @ in the sidebar chat to select other open tabs. Deepdeep automatically extracts page content as context. Cross-page comparison and analysis made simple.
- @ triggers tab selector
- Favicon and title preview
- Up to 8000 chars per tab
Based on both pages: React uses Context + useReducer...
Web Search
Enable web search and Deepdeep fetches relevant web pages via DuckDuckGo, letting AI answer based on the latest information.
- DuckDuckGo real-time search
- Auto-extracted web snippets
- One-click toggle, always available
Based on latest search results:
Most popular AI browser extensions of 2025...
Chrome Web Store adds new AI features...
BYOK Privacy
No accounts, no servers, no analytics. Your API key is stored locally in the browser. All requests go directly to your chosen AI provider.
- Zero account system
- API key stored locally only
- Direct requests to AI provider
Support Your Favorite AI
6 built-in presets, one-click switch. Also supports any OpenAI-compatible API.
FAQ
Have questions? View all FAQs
What is BYOK and why is it safer?
Which AI providers does Deepdeep support?
Is my API key collected?
Is Deepdeep free?
Install Deepdeep
v0.1.0 is out. Download from GitHub, load as unpacked extension in developer mode. BYOK mode · Zero data collection · Supports DeepSeek, OpenAI, Anthropic and 6+ AI providers.
Free Install