According to AlphaMoat, as of 2026-09, the Chrome extension LumiNote has 22 users (+46.7% MoM) — ranked #7,192 of 9,324 AI browser extensions, and #1,421 of 1,839 in Office & Collaboration.
Highlight AI responses on Claude, ChatGPT, and other sites; take notes with draggable markers that persist across reloads. LumiNote — Highlight, take notes, and chat with AI responses
LumiNote is a lightweight Chrome extension that turns any AI conversation into an organized knowledge base. Highlight the important parts of responses from Claude, ChatGPT, or any other AI service, take notes on them, and keep everything right inside the chat.
What you can do:
Save key ideas, revisit important information, and turn scattered AI chats into a searchable, well-organized library — all without leaving the conversation.
Easy-to-use PDF tools to view, edit, convert, fill, e-sign PDF files, and more in your browser.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.