Best NotebookLM Tools for Gemini Notebook™ Alternatives in 2026

About NotebookLM Tools for Gemini Notebook™

Do more with NotebookLM™ (now Gemini Notebook™). Bulk import sources, organize with collections, download audio & video overviews. NotebookLM Tools turns your browser into a research powerhouse. Import content in bulk, organize your library, generate and download studio outputs, and search everything — all from one extension. Fully compatible with Gemini Notebook, Google's new name for the app. ORGANIZE WITH COLLECTIONS Group your notebooks into native collections — synced to your Google account and visible on notebook.google.com: - Create them with a name and an optional emoji - Put one notebook in as many groups as you need - Bulk-add multiple notebooks in one go - Filter your notebook list by collection, or show only ungrouped notebooks - Dedicated manage page with search, sort, and a two-pane layout - Convert your existing tags with one click — nothing is deleted - Add and remove right from the notebook cards on the homepage - Account-synced: your groups stay even if you remove the extension GENERATE STUDIO ITEMS Create studio items directly from the extension: - Pick from 9 types: Audio, Video, Reports, Quizzes, Flashcards, Slide Decks, Mind Maps, Data Tables, Infographics - New: 60-second Short Video Overviews — pick Video → Short - "Suggest ideas" fetches AI-generated video concepts from your sources - Customize format, length, style, and difficulty per type - Add custom instructions and override the output language - Choose which sources to include or use the whole notebook - "Also Generate" toggle while adding URLs, playlists, RSS feeds, or tabs - Live progress tracking with cancel anytime ADD SOURCES IN BULK Why add links one at a time? - Paste a list of URLs and add them all at once - Import an entire YouTube playlist - Pull every article from any RSS feed or sitemap - Add all your open browser tabs in one click - Grab every link from any webpage SEARCH EVERYTHING Find anything across your library: - Search notebooks, collections, tags, sources, URLs, and authors at once - Tabbed results with type filters (PDF, URL, Video, and more) - Find a notebook by the tags or groups it belongs to - Matches highlighted in context LABEL YOUR SOURCES Native source labels, managed right from the extension: - Add multiple labels to any source, then filter by label - Color-coded chips make groups easy to spot - Let AI label all your sources, fill in just the gaps, or start over - Labels sync with the notebook — collaborators see them too ORGANIZE SOURCES INTO FOLDERS Keep your sources tidy inside each notebook: - Create up to 50 folders per notebook - Drag and drop to reorder - Move multiple sources at once - Folders preserved when you export and import ORGANIZE WITH TAGS Color-coded tags for your notebooks, private to your browser: - Filter, search, and find notebooks instantly - Merge tags one by one or in bulk - Rebuilt two-pane manager - Undo right after removing one COPY AND MOVE SOURCES BETWEEN NOTEBOOKS Reuse research across projects — or combine notebooks entirely: - Compatibility preview before confirming - URL, YouTube, and PDF sources re-added as originals - Docs, Drive, and Sheets copied as text - Optional move mode deletes originals after success - Progress bar with per-source updates FIND AND REMOVE DUPLICATES Clean up your notebooks in one pass: - One scan checks both links and content similarity - Review duplicate groups before deleting anything - Keep-oldest or keep-newest preference - Delete duplicates in batch COMPARE SOURCES See exactly how sources differ: - Compare the contents of selected sources side by side - Pick any source as the baseline - Inline diff highlights the changes MERGE SOURCES Combine multiple sources into one. Consolidate related material with content size validation. KEEP SOURCES FRESH Stay on top of changing content: - Auto-detect stale sources on notebook open - One-click refresh individually or in bulk - "Sync X sources" pill when updates are available - Bulk Sync: check every source across chosen notebooks and re-sync stale ones in one run - Live progress plus a clear summary at the end RENAME ANYTHING Sources, studio items, notebooks — rename them all: - Single or bulk rename with Replace, Add, or Custom methods - Live preview before you apply MANAGE YOUR NOTEBOOKS Full control without leaving the extension: - Create new notebooks and delete the ones you no longer need - Owner, Editor, and Viewer badges on every notebook - Read-only mode keeps shared notebooks safe - Notes management: search, rename, and bulk delete VIEW AND STUDY INLINE Open studio items without leaving the extension: - View 10+ types: Audio, Video, Reports, Mind Maps, Slide Decks, Data Tables, Infographics, Notes, Quizzes, Flashcards - Take quizzes with scoring and try-again - Study flashcards with shuffle, flip, self-rating, and fullscreen - Keyboard shortcuts and session resume EXPORT AND DOWNLOAD STUDIO ITEMS Take your outputs with you: - Download Audio Overviews as MP3 and Video Overviews as MP4 - Export selected or all studio items as a ZIP - Flashcards and data tables saved as CSV - Get a CSV map of which sources built each output - Filter by type or by source, and bulk delete LISTEN ANYWHERE Built-in player and library for your Audio Overviews: - Play from any notebook and download as MP3 - Search and sort all your podcasts in one place - Mark episodes as listened — automatic at 90% - Bulk download as a ZIP SAVE CUSTOM PROMPTS Build a personal library of AI prompts: - Use shortcodes like /myprompt to insert instantly - Prompt dropdown injected right into the chat - Pin favorites and organize prompts into categories - Get started fast with the sample library - Import and export prompts as JSON QUICK ACTIONS ON NOTEBOOK PAGES A handy toolbar right on NotebookL