KNOA — AI Web Highlighter

Highlight useful text on any webpage, save it with source context, ask AI questions, and turn it into searchable knowledge.

Stop losing useful ideas in bookmark folders. KNOA is an AI web highlighter and knowledge capture extension for people who research, learn and create on the web. Select the exact passage that matters, keep its source and surrounding context, and turn it into knowledge you can find and use again. WHAT YOU CAN DO • Highlight and save useful text without leaving the page • Keep the exact quote, page title, source URL and surrounding context • Ask questions about a selected passage and continue the conversation • Add your own note so you remember why the idea mattered • Save a full page or add it to Read Later • Choose an existing knowledge base or create a new one while saving • Group multiple highlights from the same article into one source • Search, organize and reuse saved knowledge in the KNOA workspace BUILT FOR Researchers, writers, students, product teams and anyone whose bookmarks have become a graveyard. HOW IT WORKS 1. Sign in to your KNOA account. 2. Select useful text on any supported webpage. 3. Choose Save, Ask, Add note or a knowledge base. 4. Open KNOA to review the saved passage with its original source. FREE TO START Core web highlighting and knowledge capture are available on the free plan. AI-assisted features and higher usage limits are available on paid plans. KNOA clearly shows when a feature requires an upgrade. PRIVACY BY DESIGN KNOA reads page content only when needed for a feature you initiate, such as saving a selection, saving a page or asking a question. Captures are kept locally for reliable offline saving and sync to your KNOA account after you sign in. KNOA does not sell browsing activity, record keystrokes or use remotely hosted extension code.