Obsno — AI Sidebar: Chat, Summarize, Write & Research on Any Page

About

Obsno puts a powerful AI sidebar on every webpage you visit. Powered by Claude (Anthropic) — one of the most accurate AI models available.

── WHAT OBSNO DOES ──

📄 Chat with any page
Ask questions about the page you're reading. Obsno reads it automatically — no copy-pasting needed.

✦ Select text, get instant AI actions
Highlight any text on any website → Explain, Summarize, Translate, or Fix grammar instantly.

✍️ Writing assistant everywhere
Click into any text field — Gmail, LinkedIn, Twitter, Notion — and get AI help to improve, shorten, formalize, or continue your writing.

📎 Chat with PDFs & images
Upload PDFs, images, or code files and have a full conversation with them.

💬 Full AI chat
Ask anything — research topics, get explanations, brainstorm ideas, draft content. Full markdown responses with code highlighting.

📚 Chat history
Every conversation is saved. Jump back to any previous chat anytime.

── PLANS ──

✓ Free — 10 messages/day, no card required
✓ Pro — 100 messages/day — $12.99/month
✓ Ultra — 500 messages/day — $24.99/month

── KEYBOARD SHORTCUT ──
Press Alt+O on any page to open Obsno instantly.

── PRIVACY ──
Obsno only reads the page you're on when you actively use it. We never track your browsing or store your page content. See our privacy policy at Obsno.com