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Description
Pin a Google account to each service (Gmail, Drive, YouTube) — auto-adds authuser, no more account switching. If you run more than one Google account, you know the routine: open Drive, wrong account, switch, reload. AuthPin skips it. You pin an account to each site once, and that's where it opens — Gmail in your work account, YouTube in your personal one. Think of it as the account switcher you set up once and forget. Behind the scenes it sets the right "authuser" on the URL before the page loads, so there's no account chooser and no guessing which account you're in. How it works 1. Click the icon and turn it on. 2. Add a rule: a Google site, and the account it should use. 3. Save. That site now opens with your pinned account. Example: work account for Gmail and Drive, personal for YouTube, school for Classroom. Features • Per-site accounts — a different account for Gmail, Drive, YouTube, and the rest. • Set and forget — the right account loads the moment you open the site. • Any Google site — add it yourself, even ones like notebooklm.google.com. • Backup & restore — export your rules to a file, import them back anywhere. • Light and dark themes, with an accent color you pick. Works across Google (Gmail, Drive, Calendar, and more), YouTube, and Google AI. Privacy Everything stays on your device. AuthPin doesn't transmit, sell, or share your data — no analytics, no tracking, no servers. Your rules and preferences live in your browser, nowhere else. AuthPin is an independent project. It's not affiliated with, endorsed by, or sponsored by Google LLC. Google, Gmail, YouTube, and Google Drive are trademarks of Google LLC.