Question: I need a way to get quick summaries of YouTube videos without watching the whole thing.

The first tool, Summarize.ing, gives you word-for-word, word-by-word and word-by-sentence summaries of YouTube videos. It also offers detailed summaries, detailed highlights, mind maps and segmented summaries. The tool uses Claude2 AI technology for more detailed summaries and is geared for people who need to process lots of information. It's free for personal use, with premium options for heavy-duty use.

Another good option is Video Highlight, which summarizes videos but also offers timestamped summaries, transcripts and an interactive chat interface for live Q&A. It integrates with the Notion productivity tool for notes and offers smart search for finding specific information. It's designed to help you work more efficiently and focus your attention, for example for market research or getting a quick understanding of a video.

YTSummary is another AI-powered YouTube video summarizer. It offers short and detailed summaries, mind maps, segment mode and support for multiple languages. You can also export and share summaries, which could be useful for education, conference recordings and news analysis. The tool offers a free version with 10 credits and two paid options for more use.

Last, Eightify offers immediate key ideas and summaries of YouTube videos. It can handle videos up to 4-6 hours long, multiple languages and offers TLDR summaries, key insights and timestamped breakdowns. It's available as an iOS app, Chrome and Safari extensions and can be used to upload unlisted YouTube videos. Eightify is designed to help you learn more efficiently and share your insights.