# YT Transcript & Summary

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

Canonical page: [https://chrome-stats.com/d/yt-transcript-summary](https://chrome-stats.com/d/yt-transcript-summary)

## Overview

- **ID:** `yt-transcript-summary`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** felixleopold
- **Category:** search-tools
- **Daily users:** 8
- **Weekly downloads:** 3
- **Version:** 1.0.1
- **Last updated:** 2026-04-19
- **First published:** 2026-04-15
- **Size:** 33 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/yt-transcript-summary/)

## Description

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

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

<strong>AI Summary features:</strong>
- 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)

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

Built on <a href="https://addons.mozilla.org/en-US/firefox/addon/youtube-transcript-copier/" rel="nofollow">YouTube Transcript Copier</a> by dislikelever, released under the MIT License.

## Rankings

- #37,017 — Overall
- #25 — summary
- #51 — ai summary
- #171 — script

## Permissions and access

### Permissions

- `storage`
- `clipboardWrite`

### Host permissions

- `*://*.youtube.com/*`
- `*://api.openai.com/*`
- `*://api.anthropic.com/*`
- `*://generativelanguage.googleapis.com/*`
- `*://api.groq.com/*`
- `*://openrouter.ai/*`

### Content script matches

- `*.youtube.com`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: youtube.com, openai.com, anthropic.com, googleapis.com, groq.com, openrouter.ai
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/yt-transcript-summary)