Last updated: April 29, 2026

Overview

Notion Diff ("the extension") is designed with your privacy in mind. This policy explains what data the extension accesses, stores, and transmits.

Data accessed

The extension accesses Notion data when you trigger a comparison or when VCS tracking is active (commits, FAB monitoring).

Data	Purpose	When
Notion page content	Rendering the diff	On comparison only
`token_v2` cookie (notion.so)	Session authentication	On comparison only
Notion integration API key	API key authentication (if entered by user)	On setup and comparison
Notion user identity (user ID, name)	Recorded as author of VCS commits	When committing via VCS
Notion workspace structure (database pages)	VCS setup and commit storage	On VCS setup and commit

The following data is stored on your device only (chrome.storage.local) and is never transmitted to any third party.

API key — Stored in obfuscated form. Never sent anywhere except Notion's servers.
Snapshots — Copies of Notion page content saved by you.
Theme preference — Light or dark mode setting.

The following data is written to a Notion database inside your own workspace and is not stored on your device.

VCS history — Commit snapshots, tags, and metadata. This data is not controlled by the developer.

No user data is transmitted to any third party.

The extension communicates only with the following endpoints: