# How to search across all your NotebookLM notebooks > Search every NotebookLM (Gemini Notebook) notebook, source, tag and note from one box with the Kortex extension, using Ctrl+K in the Kortex Workspace. https://www.kortex-notebooklm.com/tutorials/how-to-search-across-all-notebooklm-notebooks 1. [Tutorials](/tutorials) 2. How to search across all your NotebookLM notebooks # How to search across all your NotebookLM (Gemini Notebook) notebooks 1 minute 5 steps Updated November 5, 2026 ## Quick answer Install the Kortex extension and open the Kortex Workspace. Press Ctrl+K (Cmd+K on a Mac) or /, then type. Kortex searches notebooks, sources, collections, tags, podcasts and notes at once. After three letters, it also shows related notebooks. ## Watch it first How to search across all your NotebookLM (Gemini Notebook) notebooks Read the transcript Want to search every notebook in Gemini Notebook, formerly NotebookLM, at once? The Kortex Workspace searches them all from one box. Click the Kortex icon in the toolbar, then Dashboard in the side panel header. The Workspace opens in its own tab. To open the search, press Control K, or Command K on a Mac. A slash works too. Or click Search everything in the top bar. Type a name, a tag or a few words. Matches are grouped by kind: notebooks, collections, tags, podcasts, sources and notes. After three letters, related notebooks show up too. Use the arrow keys and Enter, or click a result. Escape closes the box. To search inside one notebook, open it in Gemini Notebook. The Kortex bar has a source search and Source views chips. Save View keeps a filter for next time. Search every notebook from one box. ## What you need - The [Kortex extension](https://chromewebstore.google.com/detail/kortex/hdapplggdhndkblofffknpmnnnnbncbn) in Chrome, Edge or Brave, and signed in - A few notebooks in Gemini Notebook (formerly NotebookLM) ## On this page 1. [Open the Kortex Workspace](#step-1) 2. [Open the search](#step-2) 3. [Type what you remember](#step-3) 4. [Open a result](#step-4) 5. [Narrow one notebook's sources](#step-5) 6. [If it doesn’t work](#trouble) 7. [Questions](#faq) 1. ## Open the Kortex Workspace Click the Kortex icon in the toolbar. Then click the dashboard button in the side panel header. The Workspace opens in its own tab. [![The Notebooks table in the Kortex Workspace with sources, tags, collections and dates for each notebook.](/media/features/all-notebooks.webp)](/media/features/all-notebooks.webp) Every notebook in one table. 2. ## Open the search Press **Ctrl+K** (**Cmd+K** on a Mac) or **/**. You can also click **Search everything** in the top bar. 3. ## Type what you remember Type a name, a tag or a few words. Matches are grouped by kind: notebooks, collections, tags, podcasts, sources and notes. After three letters, **Related notebook** matches show up too. [![The Kortex Workspace search open over the notebook table: typing heat lists a notebook, a podcast and sources.](/media/features/command-palette.webp)](/media/features/command-palette.webp) Ctrl+K searches notebooks, sources, collections, tags, podcasts and notes. 4. ## Open a result Use the arrow keys and Enter, or click. Esc closes the box. If you type nothing, the box lists commands, such as jumping to Sources or creating a collection. 5. ## Narrow one notebook's sources To search inside one notebook, open it in Gemini Notebook. The Kortex bar has a source search bar and **Source views** chips. **Save View** keeps a filter for next time. [![The Kortex source filter row on a notebook: All, PDFs, GDocs, Web, Text and YouTube chips, and a Save View button.](/media/features/source-views.webp)](/media/features/source-views.webp) Filter a notebook’s sources. Save the filter as a view and use it again later. ## If it doesn’t work Ctrl+K does nothing The shortcut works inside the Kortex Workspace tab, not on other pages. Open the Workspace first and click the page once. Then press it again. Or use the Search everything box in the top bar. A notebook I just made is missing Press Ctrl+R in the Workspace to refresh the data. Then search again. ## Questions people ask Something we missed? [Ask us](#contact). ### Can I save a filter? Yes. Inside a notebook, Save View keeps a source filter and the sources you ticked. You can bring it back in one click. ### What can I search? Notebooks, collections, tags, podcasts and episodes, sources and Kortex notes. ### Can I search from the side panel? The side panel's Notebooks tab has its own search box and collection chips for finding a notebook. The search across everything is in the Workspace. ## Keep going [Global search One search box for every notebook, source, note, collection, tag and podcast.](/features/global-search) [Kortex docs The full reference for this feature, with every option.](/docs/notebook-search-bar) ### More tutorials - [How to tag and label sources in NotebookLM (Gemini Notebook)](/tutorials/how-to-tag-notebooklm-sources) - [How to see all your NotebookLM notebooks in one place](/tutorials/how-to-manage-all-notebooklm-notebooks-in-one-place) - [How to merge NotebookLM (Gemini Notebook) notebooks](/tutorials/how-to-merge-notebooklm-notebooks) - [How to organize NotebookLM notebooks into folders](/tutorials/how-to-organize-notebooklm-notebooks-into-folders) [All tutorials](/tutorials) ## Do it on your own notebooks. Install the Kortex extension and follow these steps on a notebook you already have. [Add to Chrome](https://chromewebstore.google.com/detail/kortex/hdapplggdhndkblofffknpmnnnnbncbn) 100,000+ users, rated 4.5 on the Chrome Web Store.