How to Summarize a YouTube Video With AI (Using the Transcript)

Don’t have time for a 45-minute video? The most reliable way to summarise it is simple: get the transcript, then give it to an AI assistant with a clear prompt. Because the AI works from the actual words spoken, the summary is far more accurate than asking it about a video it hasn’t “seen.”

Why summarise from the transcript?

If you just give an AI a YouTube link, it may not be able to read the video at all, and some tools will confidently guess. Giving it the transcript means:

• The summary is based on what was actually said
• You can ask follow-up questions about specific parts
• You can ask for timestamps so you can verify each point

Step 1: Get the transcript

Paste the link into our free YouTube Video Transcript Generator. Keep timestamps on if you want the AI to reference where each point comes from, then click Copy.

Step 2: Paste it into an AI assistant with a clear prompt

Open the AI assistant you prefer, paste the transcript, and use one of the prompts below. Put the prompt before the transcript, and wrap the transcript in quotes or a code block so the assistant knows where it starts and ends.

Prompt: quick summary

Summarize this YouTube transcript in 5 bullet points.
Only use information from the transcript. Do not add outside facts.
Transcript:
"""
[paste transcript]
"""

Prompt: detailed notes with timestamps

Turn this transcript into structured study notes with headings.
For each key point, include the timestamp where it is discussed.
List any definitions and any numbers or statistics mentioned.

Prompt: key takeaways and action items

From this transcript, list:
1) the 3 most important takeaways,
2) any specific steps or recommendations the speaker gives,
3) any claims I should double-check.

Prompt: answer a specific question

Using only this transcript, what does the speaker say about [topic]?
Quote the relevant lines with their timestamps.
If the transcript doesn't cover it, say so.

Step 3: Verify the important parts

AI summaries are a starting point, not the final word. They can:

• Leave out caveats the speaker made
• Merge two separate points into one
• Repeat errors from auto-generated captions (wrong names or numbers)

Click the timestamps in our transcript to check anything you plan to rely on, quote or publish. See auto-generated vs. manual captions for the errors to look out for.

What about very long videos?

A multi-hour podcast can produce a very long transcript. If the AI says the text is too long or the summary feels thin:

1. Split the transcript into parts — for example, by the video’s chapters or every 20–30 minutes using the timestamps.
2. Summarise each part separately.
3. Paste the part summaries together and ask for an overall summary.

Other useful things to do with the transcript

• Make flashcards: “Create 15 question-and-answer flashcards from this transcript.”
• Write chapters: “Suggest YouTube chapter titles with timestamps based on this transcript.” (Great for creators.)
• Draft a blog post: for your own videos — see turn a video into a blog post.
• Translate: see transcripts in other languages.

A note on privacy and rights

Transcripts of public videos are generally fine to paste into an AI assistant for personal use, but avoid pasting anything confidential, and remember that publishing a summary of someone else’s video should credit and link to the original.

Frequently Asked Questions