Privacy Policy
Last updated: March 27, 2026
YouTube TLDW; does not collect, store, or transmit any personal data. Your API key and settings never leave your browser.
What data does the extension access?
When you click "Summarize" on a YouTube video, the extension:
- Reads the video transcript from YouTube using YouTube's public InnerTube API.
- Sends the transcript text to the AI service you selected (Gemini, OpenAI, or OpenRouter) to generate a summary.
What data is stored?
The extension stores the following in your browser's local extension storage (browser.storage.sync / chrome.storage.sync):
- Your AI service API key
- Your selected AI service (Gemini, OpenAI, or OpenRouter)
- Your custom prompt instructions (if any)
This data stays entirely in your browser and is never sent to any server controlled by us.
What data is shared with third parties?
When you request a summary, the video transcript is sent to the AI provider you chose. No other data is shared. The extension does not add tracking parameters, identifiers, or personal information to these requests.
Please review the privacy policy of your chosen AI provider:
Analytics and tracking
The extension does not include any analytics, telemetry, or tracking code. There are no cookies, no fingerprinting, and no remote logging.
No account required
The extension does not require you to create an account or sign in. There is no user registration and no server-side component.
Open source
The full source code is available on GitHub. You can inspect every line of code to verify these claims.
Contact
If you have questions about this privacy policy, please open an issue on GitHub.