Privacy Policy

YouTube Transcript to LLM Chrome Extension

Last updated: January 6, 2026

Overview

YouTube Transcript to LLM is a browser extension that extracts transcripts from YouTube videos and sends them to Large Language Model (LLM) services for analysis. This privacy policy explains how the extension handles your data.

Data Collection

What data the extension accesses:

1. YouTube Video Data
   • Video title, channel name, duration, and URL from YouTube pages you visit
   • Video transcripts/captions (when available)
   • This data is accessed only when you actively use the extension on a YouTube video page
2. User Preferences
   • Selected LLM provider (ChatGPT, Claude, Gemini, Grok, or Perplexity)
   • Selected prompt template
   • Output language preference
   • Custom prompt templates you create

How data is stored:

• Chrome Sync Storage: Stores your preferences (selected provider, prompt ID, custom prompts). This data syncs across your Chrome browsers if you're signed into Chrome.
• Chrome Local Storage: Temporarily stores the prompt text when transferring it to an LLM tab. This data is automatically cleared after use.

Data NOT collected:

• We do NOT collect browsing history
• We do NOT collect personal information
• We do NOT use analytics or tracking
• We do NOT have external servers that receive your data
• We do NOT sell or share any data with third parties

Third-Party Services

When you choose to send a transcript to an LLM service, the extension opens a new tab with your selected provider and injects the prompt into their interface.

Important: Once you send data to these third-party LLM services, their respective privacy policies apply:

• OpenAI (ChatGPT) Privacy Policy
• Anthropic (Claude) Privacy Policy
• Google (Gemini) Privacy Policy
• xAI (Grok) Privacy Policy
• Perplexity Privacy Policy

Permissions

The extension requires the following permissions:

Permission	Purpose
activeTab	Access the current YouTube tab to extract video information and transcripts
storage	Save your preferences locally
tabs	Open new tabs for LLM services
contextMenus	Add right-click menu option on YouTube
clipboardWrite	Copy transcripts to clipboard when requested

Data Security

All data processing happens locally in your browser. No data is transmitted to external servers controlled by us. Your preferences are stored using Chrome's built-in storage APIs which are encrypted and secured by Chrome.

Children's Privacy

This extension does not knowingly collect any personal information from children under 13 years of age.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be reflected in the "Last updated" date at the top of this document.

Contact

If you have any questions about this privacy policy, please open an issue on our GitHub repository.

Open Source

This extension is open source. You can review the complete source code to verify our privacy practices.