Substack to NotebookLM
Save Substack newsletters and posts to NotebookLM. Powered by Notebook Toolkit — the browser extension that bridges your favorite platforms to NotebookLM.
Substack hosts some of the best long-form writing online — newsletters, essays, podcasts. Notebook Toolkit captures Substack posts into NotebookLM with clean formatting, author info, and publish date preserved.
Knowledge workers who follow analyst newsletters, founder essays, or research letters can build a permanent searchable archive instead of letting valuable posts disappear into the inbox.
How It Works
Install the Notebook Toolkit extension
Add Notebook Toolkit from the Chrome Web Store and sign in to your account. Works on Chrome, Edge, Brave, and Arc.
Open Substack
Navigate to Substack and start or open a conversation. Notebook Toolkit detects the platform automatically.
Click the capture button
The Notebook Toolkit capture button appears in the Substack interface. Click it to select what to save.
Save to NotebookLM
Choose your target workspace, add optional tags, and click save. Your content appears in NotebookLM within seconds.
Features
Frequently Asked Questions
How do I export Substack to NotebookLM?
Install the Notebook Toolkit browser extension, open Substack, and click the capture button. Select your workspace and save — the content appears in NotebookLM instantly.
Is the Substack integration free?
Yes, basic Substack capture is available on the free plan. Pro users get unlimited capture, advanced formatting, and workspace routing.
Does Notebook Toolkit preserve formatting from Substack?
Yes, Notebook Toolkit preserves code blocks, markdown formatting, links, and structure from Substack conversations and content.
Can I capture specific parts of a Substack conversation?
Yes, Notebook Toolkit supports selective capture. You can choose to export the entire conversation or select specific messages and sections.
Start saving Substack to NotebookLM today
Install Notebook Toolkit for free and capture your first Substack conversation in under 60 seconds.