Getting started
Create your account, save your first entry and connect your other apps.
Start here. These pages take you from signing up to your first saved entry, show you how to connect the browser extension, the desktop app and other tools with a device key, and explain the tour and the Help panel inside the app.
Creating your account
Sign up, verify your email and find your feet in Ultrathink.
Your first capture
Save something in under a minute, from the web app or the browser extension, and see what the AI does with it.
Connect an app with a device key
Create a device key in Settings and use it to connect the browser extension, the desktop app, the API or the MCP server.
The tour, What's new and Help
The two-minute tour, the What's new panel and the Help panel: what each one shows and how to open it again.