According to AlphaMoat, as of 2026-09, the Chrome extension NotebookLM Source Adder has 81 users (+15.7% MoM), rated 5 (4 reviews) — ranked #4,562 of 9,324 AI browser extensions, and #947 of 1,839 in Office & Collaboration.
What is NotebookLM Source Adder
Quickly add sources to Google NotebookLM — URLs and YouTube playlists Completely free. No sign-up. No data collection.
Save time adding sources to Google NotebookLM. Instead of copying and pasting URLs one by one, add any web page directly from your browser with a single click.
What it does:
🔗 Add Active Page — Click the extension while browsing any page and instantly add it as a source to your selected notebook.
📋 Bulk URL Import — Paste multiple URLs at once and add them all to your notebook in one go. Great for research sessions.
🎵 YouTube Playlist Import — Enter a YouTube playlist URL, preview all videos, select the ones you want, and add them as sources. Perfect for course materials, lecture series, and tutorial collections.
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Why use it:
100% free. All features included, no premium tiers or hidden costs. No sign-up or API keys needed. Works with your existing NotebookLM session. No data collection. Everything runs locally in your browser. Clean, minimal interface. No clutter, no distractions. Saves hours of manual copy-paste work when building research notebooks. How it works:
Sign in to NotebookLM in Chrome as you normally would. Click the extension icon. Select a notebook from the dropdown. Add sources — current page, multiple URLs, or YouTube playlists. Built for researchers, students, and anyone who uses NotebookLM to organize knowledge.
Extension profile
User Growth Trend
Popular in Office & Collaboration
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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.