YT Transcript & Summary by felixleopold

Copy YouTube video transcripts as plain text or Markdown, and generate AI-powered summaries. Supports light and dark mode.

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About this extension

YT Transcript & Summary adds Copy Transcript, Summarize, and Settings buttons to every YouTube video page.

Transcript features:
- One-click copy to clipboard
- Plain text or Markdown output
- Optional timestamps, video title, and URL
- Paragraph mode for continuous reading

AI Summary features:
- Supports OpenAI, Anthropic, Google Gemini, Groq, and OpenRouter
- Pick any model from your provider's API
- Customizable system prompt
- Display summary inline on YouTube or copy to clipboard
- Full Markdown rendering (tables, code blocks, lists, blockquotes)

Other:
- Automatically adapts to YouTube's light and dark theme
- Settings persist across sessions
- Works with YouTube's SPA navigation

Built on YouTube Transcript Copier by dislikelever, released under the MIT License.

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Permissions and data

Required permissions:

Input data to the clipboard
Access your data for sites in the youtube.com domain

Optional permissions:

Access your data for sites in the youtube.com domain
Access your data for api.openai.com
Access your data for api.anthropic.com
Access your data for generativelanguage.googleapis.com
Access your data for api.groq.com
Access your data for openrouter.ai

Required data collection, according to the developer:

Website content

Optional data collection, according to the developer:

Technical and interaction data