Private Chat
Have natural conversations with AI entirely on your device. Ask questions, brainstorm, explain — zero data leaves your browser.
Chrome extension · Private by default
Summarize pages, research across tabs, and keep a private memory vault. The model runs on your GPU. Your prompts stay on your machine.
How it works
Your browser. Your GPU. Nothing leaves your device.
Add Privane from the Chrome Web Store. It opens as a sidebar — no new tabs, no account required.
One click pulls Gemma 4 (~1.6GB) onto your disk. It runs on your GPU via WebGPU.
Ask about open tabs, save knowledge, summarize pages. Everything stays on your machine.
Chat, research, and remember — privately on your device. No extra tools, no cloud round-trips.
On-device AI
Gemma 4 runs on your GPU inside Chrome. Ask anything from the sidebar — no account, no API key, no token meter.
Features
A full AI assistant in your browser sidebar — powered by Gemma 4.
Have natural conversations with AI entirely on your device. Ask questions, brainstorm, explain — zero data leaves your browser.
Your AI understands your tabs, bookmarks, and browsing history. Ask about your open tabs or find that page you visited last week.
Build a persistent knowledge base. Save facts, preferences, and research. Your AI remembers everything you tell it.
Organize research into project workspaces with clarifying questions. Track your deep dives across sessions.
Automatic timeline of your browsing activity with AI-generated daily summaries. Your private digital diary.
Select any text on any webpage to instantly summarize, explain, rewrite, or ask follow-up questions. Works everywhere.
Comparisons
An honest look next to the Chrome AI extensions people usually weigh it against.
| Feature | PrivanePrivate AI in Chrome | Cloud AI sidebarsClaude / ChatGPT copilots | Chrome built-in AILocal AI Sidebar & similar | Chat organizersRecall, Seermind & similar |
|---|---|---|---|---|
| Price | $0 free + $39 once | Free + API / sub | Free | Free + paid plans |
| Runs fully on-device (your GPU) | Partial | |||
| No API key or cloud account | Varies | |||
| Works offline after setup | Limited | |||
| Chat / summarize the current page | ||||
| Tab, history & bookmark agent | Pro | Limited | Limited | |
| Persistent private memory vault | Pro | Cloud-stored | Local chats | |
| In-page floating actions | Pro | Varies | Varies | |
| Your prompts stay on-device | Local only | |||
| Open model you download once | Gemma 4 | Chrome Nano |
Positioning as of 2026. Competitor names are trademarks of their owners. Features summarized from typical Chrome Web Store offerings in each category.
Pricing
Pay once. Keep Pro forever. 30-day money-back guarantee.
Launch offer · First 100 Pro licenses
60% offLifetime Pro for $39 normally $99
First 100 Pro licenses at launch pricing
$0
Private on-device AI with no signup — free forever.
First 100 · 60% off
$39once
$99 lifetime
You save $60 — launch pricing for the first 100 Pro licenses
Full browser intelligence. One license, up to 2 devices. Yours forever.
License key emailed after payment
FAQ