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Privacy Policy for NotebookLM Citation Mapper

Last Updated: October 15, 2025

Overview

NotebookLM Citation Mapper is a Chrome extension that enhances your experience with Google NotebookLM by helping you preserve citation references when copying text.

Data Collection

We do not collect, store, or transmit any user data.

What the Extension Does:

  • Scans the current NotebookLM page you're viewing for citation markers
  • Extracts text content from the page when you click the copy button
  • Processes all data locally in your browser
  • Does not send any data to external servers

Permissions Explained:

activeTab

  • Why we need it: To read citation information and text content from the NotebookLM page you're currently viewing
  • What we access: Only the NotebookLM page content when you explicitly interact with the extension
  • What we don't do: We never access other tabs or websites

clipboardWrite

  • Why we need it: To copy formatted text with citations to your clipboard when you click the copy button
  • What we access: Permission to write text to your system clipboard
  • What we don't do: We never read from your clipboard or access clipboard history

host_permissions for https://notebook.google.com/* and https://notebooklm.google.com/*

  • Why we need it: To function specifically on Gemini Notebook pages (formerly NotebookLM)
  • What we access: Only pages on the notebook.google.com and notebooklm.google.com domains
  • What we don't do: We never access any other websites or Google services

Local Processing

All text extraction and citation mapping happens entirely within your browser. No data leaves your device.

Third-Party Services

This extension does not use any third-party services, analytics, or tracking tools.

Data Storage

Citation mappings themselves are held in memory only while you are on a Gemini Notebook page and are discarded when you close the tab.

The extension does store three things. None of them is ever sent to us or to any third party:

  • settings - your theme choice and export preferences. Stored with chrome.storage.sync, so Chrome replicates it across devices where you are signed into the same Google account.
  • citationHistory - the copies you have made, so you can retrieve them from the settings page. Stored with chrome.storage.local, so it never leaves the device it was created on.
  • statistics - counters, for example how many citations you have exported. Also stored with chrome.storage.local and device-local.

You can delete all three at any time from the extension's settings page, either individually via "Clear History" or together via "Clear All Data". Uninstalling the extension removes them as well.

Updates

This privacy policy may be updated to reflect changes in the extension's functionality. The "Last Updated" date at the top of this document will be changed accordingly.

Contact

If you have questions about this privacy policy or the extension's behavior:

Your Rights

You have full control over this extension:

  • You can disable or uninstall it at any time via Chrome's extension settings
  • You can review the complete source code on our GitHub repository
  • The extension is open source under an open license

Compliance

This extension complies with:

  • Chrome Web Store Developer Program Policies
  • General Data Protection Regulation (GDPR)
  • California Consumer Privacy Act (CCPA)

We respect your privacy. This extension was built to help you work more efficiently, not to collect your data.