The Kortex Tab
The Kortex tab is a small tab on the right edge of an AI chat. It opens a panel about the chat you are reading, with your notes and pins, and a button to send the chat to a notebook in Gemini Notebook (formerly NotebookLM).
Why use the Kortex tab?
Think of sticky notes on a page in a book. You can mark what matters, file the chat, and find your way back later, all without leaving the chat.
Where it shows up
The tab is on ChatGPT, Claude, Gemini, Perplexity and Grok. Click it to open the panel. Click the x in the corner to close it.
The first time, a notice beside the tab asks whether Kortex may keep your chats on this computer. The panel works once you say yes. Kortex saves a chat a few minutes after you start it.
What is in the panel
- Folders. Click the folder button to tick the Library folders this chat belongs in. Kortex marks a folder Suggested when one fits. Type a new name to make a new folder. You can also drag a chat from the site's own sidebar onto a folder.
- Tags. Pick tags you already use, or type a new one.
- Your note. One note per chat. It saves as you type.
- Pinned. The answers you pinned, each with a note you can add or edit.
- What you asked. A list of your questions in order. Click one to jump to it. Click the pin beside a question to pin its answer.
- Related chats. Other chats about the same thing, from any AI. Click one to open it.
How to pin, highlight or remember words
- Select some words in an answer with your mouse.
- A small bubble appears. Click Pin to keep the passage with the chat, Highlight to mark it in a colour, or Remember to save it as a fact in your Memory.
- The bubble says Pinned. The passage now shows under Pinned in the panel.
Highlights stay painted when you come back. Click one to change its colour, add a note or remove it. Highlights can be yellow, green, blue or pink.
You can keep 20 highlights and 20 pins. When you reach the limit, a short line appears in the bubble or the panel, with a button. Older items are locked. Pro has no limit. See the free plan and the trial.
The outline of your questions
In a long chat of four questions or more, a column of small dots appears under the tab. There is one dot for each question. Click a dot to jump to that question.
How to send the chat to a notebook
- Open the Kortex tab.
- Click the green Send to notebook button.
- Pick a notebook from the list. The one that fits best is marked Suggested.
- The chat goes into that notebook as a source.
Copy, and the more menu
- The copy button beside Send to notebook copies the whole chat, formatted.
- The ⋯ button opens a menu: Continue in another AI…, Read in the Library, Download as Markdown, Download as PDF, Save to Notion and Archive.
- An archived chat leaves every list and search except the Archive. Choose Move out of the archive to bring it back.
- A second button just above the tab opens the whole Library over the page.
- The panel's footer reminds you that you can search all your chats from any page. See Chat search.
- You can hide the tab. Turn off Show the Kortex tab on AI sites in the side panel's Chats settings.
- Your chats, notes and pins stay on this computer.
Related: Saving your chats, Folders, Continue in another AI.