PageBrain

Private memory layer for the web: attach notes to pages, search them, and optionally lock with PIN/password encryption.

PageBrain turns every website into a place you can remember. Instead of losing context in bookmarks, browser history, or scattered notes, PageBrain lets you attach private notes directly to the pages you visit, so when you come back, your thoughts, decisions, and reminders are right there with the site. How it works • Open any website • Click PageBrain • Write notes for that page • Come back later, your notes appear instantly PageBrain becomes your second brain across the web. Key Features • Notes per website Attach notes to any URL. Dashboards, research pages, clients, tools, or listings. • Instant search Search all saved pages and notes by domain, title, or keyword. • Private & local All data is stored only in your browser. Nothing is sent to any server. • Optional security Lock your notes with a PIN or password. When enabled, notes are encrypted locally. • Flexible lock behavior Choose whether to unlock once per session or every time you open PageBrain. • Auto-enable on sites Choose which domains PageBrain should automatically open on. • Free & Pro plans Free users can save notes on up to 5 pages. Pro users get unlimited pages. Who it’s for • Business owners tracking clients, vendors, and dashboards • Developers keeping notes on tools and repos • Researchers, students, and writers • Anyone who wants to remember what mattered on a page PageBrain gives you memory for the web without leaving the page. Privacy PageBrain runs entirely in your browser. Your notes are never uploaded or shared.