Prewatchr is a browser extension for Chrome and Firefox that generates AI-powered summaries of YouTube videos so you can decide whether to watch them — before you click.
| Data | Where it goes | How long |
|---|---|---|
| Summaries count | Your browser only | Until you uninstall |
| Video URL (when you request a summary) | Processed, then deleted | Seconds |
| Video transcript | Processed, then deleted | Seconds |
| Your browsing history | Never collected | — |
| Personal information | Never collected | — |
The extension stores one piece of information in your browser's local storage:
This data never leaves your device and is never transmitted to us.
When you click a YouTube thumbnail with Prewatchr armed, here's exactly what happens:
To deliver the summary, we use the following services. Each has its own privacy policy:
Generates the summary from the video transcript. View Gemini privacy terms →
Source of video transcripts and captions. View Google privacy policy →
We use third-party services to ensure reliable delivery of transcripts. These services process video URLs temporarily during the summary request. No user data is stored or shared beyond real-time processing.
You have full control over your data:
Prewatchr is not intended for use by children under the age of 13. We do not knowingly collect data from children.
We may update this privacy policy from time to time. When we do, the "Last updated" date at the top of this page will change. We recommend checking this page periodically.
If you have any questions about this privacy policy or how Prewatchr handles data, we're happy to help.
[email protected]