WorldBrain’s Memex is an open-source, privacy-focused browser extension for Google Chrome and Firefox designed to transform your web history into a personalized, searchable knowledge graph. Inspired by Vannevar Bush’s concept of a “Memex,” it allows you to eliminate scattered bookmarks and disorganized notes by keeping all your research text, highlights, and insights locally on your device. Core Features for Web Research
Full-Text History & Bookmark Search: Memex indexes the text of every page and PDF you bookmark, tag, or annotate. You can find an old page by searching for any keyword you remember from its body text.
In-Page Highlights & Annotations: Select text on any web page to highlight it or attach notes. Memex saves these inline, letting you see your thoughts directly in context when you return to the page.
Spaces and Collections: Organize your research by grouping related pages and notes into “Spaces” or “Collections”. This prevents the clutter of massive bookmark files.
Search Engine Integration: When you search on Google or DuckDuckGo, Memex automatically injects a sidebar showing relevant pages and notes from your personal research history.
Offline-First Privacy: Your web history, tags, and notes are stored locally on your machine, ensuring no external server tracks your research. Optional multi-device syncing uses end-to-end encryption. How to Organize Your Research Flow
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