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Private browser memory for every page you read. Search by keyword or ask AI questions about your reading history. MemoryVault is a local-first Chrome extension that quietly builds a private, searchable memory of every page you read — without sending your browsing history to a cloud database. 🔒 100% Local by default Page text, embeddings, and the full-text search index live in your own browser's OPFS storage. We can't see them. Even on the paid plan, only the specific snippet you query is sent to our AI gateway — never your full reading history. ⚡ Semantic search by meaning, not just keywords "That Python thing I read about WebSockets" finds the right page even if you misremember the title. 🧠 AI answers grounded in YOUR reading Ask "what was that tip about email signups?" and get an answer based only on pages you've actually read, with source citations to the originals. 🛡️ Per-domain control Pause or delete memory for any site with one click. Sensitive domains (banking, email) are auto-skipped by default. Your incognito tabs are ignored. ✏️ Three modes for three users • Local (Free) — Hash-based keyword search, runs entirely on your device. No login, no cloud. • Subscription (Pro) — Managed AI semantic search and answers powered by our hosted gateway. No API keys to manage. • BYOK (Advanced) — Plug in any OpenAI-compatible API key. Bypass our gateway entirely. 🚀 How it works 1. Install the extension and pin the icon. 2. Browse the web as you normally would. The extension extracts readable content from each page in the background. 3. Open the side panel anytime to search your memory by keyword, ask AI questions, or browse your library. 💰 Pricing • Free forever for local keyword search. • Pro ($1.99/mo) unlocks managed AI answers. Cancel anytime, 7-day refund. 🔍 Privacy promises we keep • No browsing history uploaded. • No tracking cookies or third-party analytics. • Login is passwordless (email one-time code only). • Your captured library never leaves your browser unless you explicitly query AI. Read our full privacy policy at https://vault.stackfield.org/privacy 📬 Support Email support@stackfield.org — we respond within 24h on weekdays. --- Built for readers, researchers, writers, students, and anyone who reads a lot online and wants their browser to remember it.