YouTube Video Summarizer

Description

A Tampermonkey userscript that automatically summarizes YouTube videos and displays the summary in a panel, using the Mistral AI API.

Features

• One-click summary button (Ctrl+Shift+S)
• Summary panel with light/dark theme support
• Mistral API key management
• Error handling and loading animations

Installation

1. Install Tampermonkey in your browser.
2. Add the script to Tampermonkey.
3. Set your Mistral API key via the menu (🔑 Set Mistral API Key).

Usage

• On a YouTube video page, click the 📝 button at the bottom right or press Ctrl+Shift+S.
• The summary appears in a panel at the top right.
• Close the panel by clicking the ✖ button.

Requirements

• Tampermonkey extension
• Mistral AI API key

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For some videos, YouTube's transcript panel may open the chapters or timeline by default. In this case, you may encounter the "transcript not available" error. To solve the problem, you need to select the speech text.