Short answer: NotebookLM doesn't have a built-in "add current tab" button. The NotebookLM Tools Chrome extension adds one — click the toolbar icon or right-click the page and the current tab becomes a NotebookLM source.

The default alternative is six steps: copy the URL, switch to NotebookLM, open the notebook, click Add source, paste, confirm. Fine once; tedious across a research session.

Why Native NotebookLM Makes This Hard

Google NotebookLM is a web app. It runs in its own tab. To add a page from another tab, the default flow is:

Copy the URL from the source tab
Switch to the NotebookLM tab
Open the correct notebook
Click Add source → Website
Paste the URL
Confirm

That's fine once or twice. Across 20 tabs it adds up.

The One-Click Pattern

NotebookLM Tools adds two ways to capture the current tab:

Toolbar icon — click the extension icon in the browser toolbar to send the current tab to NotebookLM.
Right-click menu — right-click anywhere on the page and choose "Add to NotebookLM" from the context menu.

Both routes ask which notebook the source should land in, remember your last pick, and return you to the original page — no tab switching.

Beyond the Current Tab

If you're adding one page, the toolbar icon is the fastest. When you have several tabs open, NotebookLM Tools has better options:

Add all open tabs — capture every tab in the current window as sources in one pass. Useful for research sessions where you've been collecting links.
Add selected text only — highlight part of a page, right-click, and send just the selection as a note. Useful when you don't want the whole article.
Add a link target — right-click a link and send the linked page to NotebookLM without opening it. Useful when collecting references.
Bulk URL paste — paste 50+ URLs at once into the extension's import panel. See all the ways to import sources.

Practical Tips

Match notebook to intent. If you're mid-research, set the extension's default notebook to the active project. Every right-click adds to the right place without confirmation.

Capture as you browse, organize later. Don't stop to categorize every source. Dump pages into the destination notebook, then use folders to organize in batches once you've collected enough.

Use the right-click for selections. If an article has one useful paragraph and 20 paragraphs of filler, highlight the relevant text before right-clicking. NotebookLM gets a cleaner source and better summaries.

Combine with source freshness. Web pages change. Run source freshness sync periodically to detect updated pages and refresh them in your notebook.

Frequently Asked Questions

Does NotebookLM have a native "add current tab" button?

No. NotebookLM runs in its own tab and has no awareness of your other tabs. The NotebookLM Tools browser extension adds this capability.

Can I add a tab without opening NotebookLM?

Yes. NotebookLM Tools sends the page to the notebook in the background. NotebookLM itself doesn't need to be open in another tab.

Does it work for pages behind a login?

The extension sends the URL to NotebookLM and NotebookLM fetches the page itself. If NotebookLM can reach the URL publicly, it works. Pages behind paywalls, intranet logins, or session-only auth usually don't work — the same limitation applies whether you paste the URL manually or use the extension.

What about PDFs or Google Docs?

Yes. Add a PDF from a web viewer the same way you'd add any page. Google Docs, Sheets, and Slides can also be added through the right-click menu or the bulk import panel.

Is it free?

Yes. Adding the current tab is part of the free feature set. Every feature in NotebookLM Tools works without a license — see pricing for what the optional Pro license adds.

Wrap-up

If you add tabs to NotebookLM often, NotebookLM Tools collapses the six-step flow into a click. See the context menu feature for all seven right-click actions, or browse the full feature list.

Related articles:

Right-Click to Add Any Web Page to NotebookLM — All seven context-menu actions in detail.
NotebookLM Tips #3: All the Ways to Import Sources — Every import method beyond the current tab.
Keep Your NotebookLM Sources Up to Date — Refresh web sources when pages change.
How to Organize NotebookLM Sources with Folders — Categorize sources after capturing them.