LumiNotes by Prakshal

Highlight AI responses on Claude, ChatGPT, and other sites; take notes with draggable markers that persist across reloads.

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About this extension

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:

🖍 Highlight anything — mark the key parts of any AI response with markers that persist across page reloads.
📝 Take notes on your highlights — attach your own notes directly to any highlighted text to capture insights, questions, and ideas exactly where they matter.
💬 Chat with your highlights — ask a built-in AI assistant follow-up questions about any highlighted text to dig deeper, summarize, or clarify without losing your place.
🗂 Organize with tabs — group your highlights and notes into tabs so different topics, projects, or conversations stay neatly separated.
🔍 Search instantly — find any saved highlight or note across all your conversations in seconds.
☁ Sync with Google Drive — back up your notes and access them across devices.
📤 Export — take your highlights and notes with you whenever you need them.

Save key ideas, revisit important information, and turn scattered AI chats into a searchable, well-organized library — all without leaving the conversation.

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Permissions and data

Required permissions:

Block content on any page
Access browser tabs
Access your data for all websites

Optional permissions:

Access your data for claude.ai
Access your data for chatgpt.com
Access your data for chat.openai.com
Access your data for gemini.google.com
Access your data for www.perplexity.ai
Access your data for perplexity.ai
Access your data for www.googleapis.com

Data collection:

The developer says this extension doesn't require data collection.

Optional data collection, according to the developer:

Website content