Note Graph is a Chrome extension for Notion that turns links, mentions, backlinks, page hierarchy, and database relations inside Notion into an interactive knowledge graph. It emphasizes a “local-first” approach: it reads data within the authorized scope via the Notion API, then generates and renders the graph locally in the browser extension environment. It is well suited to increasingly complex Notion workspaces.
Its core feature is a contextual graph view, allowing users to start from the Notion page they are currently viewing, inspect related connections, and continuously shift focus. The graph can display page hierarchy, database relations, mentions, and links in a unified view. Hovering highlights upstream and downstream connections, and users can open Notion pages directly, creating a loop of discovery, validation, and adjustment. The Top & Orphans list helps identify highly connected “hub pages” and isolated pages. Advanced filtering, grouping, export, and tab view are also available during the current free period.
All features are currently free. Current access is $0, with no checkout or subscription activation required. The official materials state that paid plans may be introduced in the future depending on product direction and operating costs, but pricing has not yet been determined. They also promise to announce any changes in advance through the extension and the official website. In the short term, the value for money is strong, but long-term costs remain uncertain.
Note Graph primarily integrates with the Notion API and Notion OAuth. Access tokens, graph caches, and preferences are stored in Chrome extension storage, Local Storage, or IndexedDB. By default, Notion page content is not uploaded to Note Graph servers. The OAuth exchange goes through notion-oauth.notegraph.net, but the documentation indicates that this service is used to exchange authorization codes for tokens and should not require Notion content. No compliance certifications such as SOC 2 or ISO 27001 have been disclosed.
Its strengths are that it works right after installation, is currently free, covers a broad range of relationship types, and is relatively friendly to privacy-conscious users. Its limitations are that it is mainly delivered as a Chrome extension, while team permissions, enterprise governance, compliance certifications, and future pricing remain unclear. It is best suited to heavy Notion users, personal PKM and Second Brain workflows, knowledge base maintainers, and lightweight collaborative teams that need to map dependencies across databases.
No information is provided about access from China, so its status is unknown. Because the product depends on a Chrome extension, the Notion API, Notion OAuth, and several CDNs, actual availability may be affected by the local network environment. If Notion itself is unstable, alternatives to consider include Obsidian Graph View, Logseq’s graph view, Heptabase, AFFiNE, or Notion’s native relation features.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on notegraph.net official site.
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