Best AI to summarize YouTube videos (free options)
The best AI tools to summarize YouTube videos — paste a link or transcript and get key points fast.
Updated 2026-05-30
Key takeaways
- Paste the transcript into ChatGPT or Claude for free, flexible summaries.
- NotebookLM grounds summaries in the actual video transcript with citations.
- Perplexity can summarize and answer questions about a video URL.
The fastest way to summarize a YouTube video with AI is to paste its transcript into ChatGPT or Claude, or drop the video into Google's NotebookLM for a grounded summary with citations. All have free tiers. Here's how each compares.
ChatGPT / Claude (most flexible)
Open the video transcript (YouTube → … → Show transcript), paste it into ChatGPT or Claude, and ask for key points, timestamps or a TL;DR. Free and fully controllable.
NotebookLM (grounded)
Google's NotebookLM summarizes based strictly on the source, with citations back to the transcript — best when accuracy matters.
Perplexity (quick)
Perplexity can take a video URL or topic and return a cited summary, useful for fast overviews.
Tools mentioned
ChatGPT
The most widely used AI chatbot for writing, coding and research.
Claude
AI assistant known for long-context writing, analysis and coding.
NotebookLM
Google's AI notebook that reasons over your own documents.
Perplexity
AI answer engine that cites its sources for every claim.
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FAQ
What is the best free AI to summarize YouTube videos?
Pasting the transcript into ChatGPT or Claude is the best free method; NotebookLM gives grounded, cited summaries.
Can AI summarize a video from just the link?
Some tools (Perplexity, NotebookLM) accept a URL; otherwise paste the YouTube transcript into ChatGPT or Claude.