Best AI tool to summarize YouTube videos on my Windows laptop?

This is an excellent browser extension that summarize youtube video content without requiring you to download local audio files. Using its built-in transcription feature, it provides a complete transcript and a concise AI summary, allowing you to extract key notes and highlight important passages while watching the video.

Usage Guide: Install the Glasp extension in your browser, open the video page, click the toolbar icon, and select Summarize this video.

Once the automatic audio transcription and AI analysis are complete, you can view the full transcript, concise summary, and highlighted key content directly on the playback page, and add custom study notes right there. The software summarize youtube video without requiring installation, helping you effectively organize your study materials.

This tool is particularly useful for organizing class notes, quickly reviewing educational video content, or summarizing videos without subtitles—which standard AI tools that only support links cannot process.

Important Notes

Before submitting the link, please check whether the video includes automatically generated subtitles.

If the video is too long, split it into multiple parts and submit them separately to ensure the summary is complete.