NoteFolder

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A Chrome extension for organizing and managing NotebookLM projects with tags.

Features

• Tagging: Add multiple tags to each project freely
• Hierarchical Tags: Organize with parent-child relationships (e.g., Work/ProjectA)
• Drag & Drop: Change parent-child relationships and merge tags via D&D
• Filtering: Filter projects by tags
• Sorting: Sort by name or tag count
• Sync: Automatically sync tag information across Chrome accounts
• Lightweight: No external server required, works locally

Installation

Method 1: From GitHub Releases (Recommended)

1. Download the latest ZIP file from the Releases page
2. Extract the ZIP file
3. Open chrome://extensions in Chrome
4. Enable "Developer mode" in the top right
5. Click "Load unpacked"
6. Select the extracted folder

Method 2: From Source Code

1. Clone or download this repository

   git clone https://github.com/rm007080/NoteFolder.git

2. Open chrome://extensions in Chrome
3. Enable "Developer mode" in the top right
4. Click "Load unpacked"
5. Select the cloned folder

Usage

Adding Tags

1. Open NotebookLM
2. Click the 📁 icon on each project in the project list
3. Enter a tag in the popover and click "Add"

Filtering

1. Click the "🏷️ Tags ▼" button at the top of the page
2. Select the tag you want to filter by
3. Only projects with the selected tag will be displayed

Sorting

1. Click the "📊 Default ▼" button at the top of the page
2. Select sort order
   • Default: NotebookLM's standard order
   • Name (A→Z / Z→A)
   • Tag count (More→Less)

Deleting Tags

To remove a tag from a project:

• Click 📁 icon → Click × next to the tag

To completely delete a tag:

• Click "🏷️ Tags ▼" → Click × next to the tag → Confirm in the dialog

Hierarchical Tags (Drag & Drop)

1. Click the 📁 icon to open the popover
2. Drag a tag and drop it onto another tag
3. It becomes a child tag of the drop target (e.g., drop "Exercise" on "Health" → "Health/Exercise")

Dropping on same-name tags:

• Dropping on a tag with the same name automatically merges tags across all projects

Notes

• Supported Browser: Google Chrome (may work on Chromium-based browsers)
• Supported Site: NotebookLM (https://notebooklm.google.com/) only
• Data Storage: chrome.storage.sync (synced with your Google account)
• External Communication: None (privacy-safe)

Disclaimer

This extension is not an official product of Google or NotebookLM. It is an unofficial third-party tool.

Permissions

This extension uses only the minimum necessary permissions:

• storage: Store tag information, colors, pin status, etc.
• host_permissions (https://notebooklm.google.com/*): Inject UI only on NotebookLM

Privacy

• No external servers are used
• Data is stored only in chrome.storage.sync and is not transmitted externally

Stored Data

The following data is stored in chrome.storage.sync:

• Project ID
• Project name (retrieved from NotebookLM's screen)
• Tags (including hierarchical tags)
• Tag colors
• Pin status
• UI settings (dropdown height, expanded state, etc.)

Known Limitations

• May stop working if NotebookLM's DOM structure changes
• Chrome sync may take a few seconds to reflect
• Chrome sync storage has capacity and key count limitations

Troubleshooting

If the UI is not displayed:

1. Verify you are on https://notebooklm.google.com/
2. Click "Reload" for NoteFolder in chrome://extensions
3. Reload the NotebookLM page

If sync is not reflected:

• Wait a few seconds or reload the page

Uninstallation and Data Deletion

• Sync data may remain on Chrome's side even after removing the extension
• To completely delete, remove extension data from Chrome's sync settings

For Developers

Tech Stack:

• Chrome Extension Manifest V3
• Vanilla JavaScript (no frameworks)
• chrome.storage.sync API

License

MIT License - See LICENSE for details

Feedback

Please report bugs or feature requests via Issues.