ChatLens is a Chrome extension that lets you instantly search and manage your AI chat history across platforms like ChatGPT, Claude, Gemini, Grok, Perplexity, and NotebookLM — all in one place. AI tools are great, but finding past conversations isn’t. Most platforms either don’t support search at all or only search conversation titles. Scrolling endlessly to find that one answer from last week wastes time and breaks your flow. ChatLens fixes this. 🔍 Instant, Unified Search Search inside message content, not just titles. Get millisecond-fast results across thousands of messages, even offline. Jump directly to the exact message you’re looking for. Supports advanced queries: Exact phrases ("react hooks") OR searches (react OR vue) Exclusions (react -class) Wildcards (react*) 🧠 Smart Context Awareness ChatLens helps you work smarter, not harder: Suggests related past conversations while you type Detects duplicate questions and links you to previous answers Notices topic drift and suggests starting a new chat 📚 Activity Stack (Multi-Tab AI Tracking) Working with multiple AI tools at once? A floating widget shows all active AI responses across tabs: See which AIs are still responding Get notified when answers are ready Pin or dismiss conversations as you review them Perfect for parallel workflows. ⭐ Bookmarks, Tags & Previews Bookmark important conversations Add custom keyword tags Preview full conversations on hover Navigate search matches with keyboard shortcuts 🔒 100% Private by Design All data stays locally in your browser using IndexedDB. No servers No analytics No tracking No data ever leaves your device ⚙️ Built for Power Users Filter by AI service, date range, or conversation length Sort by relevance or recency Choose advanced search algorithms (Pro) Works fully offline after sync 💸 Pricing Free: Basic search, single account Pro ($9.99 lifetime): Unlimited search, multiple accounts, smart suggestions, Activity Stack, advanced algorithms 7-day free trial, no credit card required If you use AI daily and hate losing great answers, ChatLens turns your chat history into a searchable knowledge base.