MensorAI by Rouven
A note-taking sidebar for YouTube. Insert clickable timestamps, ask AI questions about the video transcript, and sync your notes across devices.
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About this extension
MensorAI is a browser extension that adds a note-taking sidebar to YouTube. While watching videos, you can:
- Take timestamped note: click to insert the current video time, click timestamps to jump back
- Ask AI about the video: type /ask to query the video's transcript (e.g., "What were the 3 main points?")
- Sync notes across devices: sign in to access your notes anywhere
The sidebar opens via a tab on the right side of YouTube.
- Take timestamped note: click to insert the current video time, click timestamps to jump back
- Ask AI about the video: type /ask to query the video's transcript (e.g., "What were the 3 main points?")
- Sync notes across devices: sign in to access your notes anywhere
The sidebar opens via a tab on the right side of YouTube.
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Permissions and data
Required permissions:
- Access browser tabs
- Access your data for sites in the youtube.com domain
- Access your data for www.mensorai.com
- Access your data for localhost:3000
- Access your data for localhost:3001
- Access your data for mensorai.com
Required data collection, according to the developer:
- Website content
More information
- Add-on Links
- Version
- 1.0.8
- Size
- 361.06 KB
- Last updated
- 5 days ago (Jan 29, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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