Guides · Published October 18, 2026 by PasteQuill

How to Summarize a YouTube Video with ChatGPT

The most reliable way to get a good ChatGPT summary of a YouTube video is to give it the video's actual words. This guide shows how to grab the transcript for free with no sign-up, get it into ChatGPT, and use ready-to-copy prompts for quick summaries, study notes, quotes with timestamps and more, plus how to check the result.

Why start with the transcript?

Asking ChatGPT to summarize a YouTube link can work, but you can't always tell what it actually read. It might work from the title, the description or other pages about the video rather than everything that was said. When you paste the transcript, ChatGPT works from the exact words in the video, and you can check every point it makes against the source.

A transcript also gives you control. You can summarize only the part you care about, ask follow-up questions, or compare two videos side by side. And if the summary gets something wrong, you have the original text right there to find out why.

Summarize a YouTube video with ChatGPT in five steps

1. Get the transcript. Paste the video link into the free copy-a-transcript tool, or the YouTube transcript generator on the home page, and choose Get transcript. PasteQuill shows the video's existing captions as text with timestamps.
2. Copy or download it. Select Copy text to copy the whole transcript without timestamps, or choose Download TXT if it's long and you'd rather upload a file.
3. Give it to ChatGPT. Paste the text into a new ChatGPT chat, or attach the TXT file. Add the video title and link so the summary can refer back to the source.
4. Ask with a specific prompt. Use one of the templates below instead of just “summarize this.” Say who the summary is for, how long it should be and what format you want.
5. Check the summary against the video. Spot-check names, numbers and quotes by jumping to the matching timestamp on YouTube before you rely on or share the summary.

Paste the text or upload a file?

For most videos, pasting is simplest: Copy text gives you the full transcript without timestamps, which keeps the prompt clean. For long videos, uploading a TXT file can be easier than pasting a very long message.

According to OpenAI's file uploads FAQ, TXT files can be uploaded on both Free and paid plans; Free users are limited to 3 file uploads per day, and text files are capped at 2 million tokens. Limits can change, so check that page if an upload fails. If a transcript is still too long to handle well, split it into parts and use the long-video prompt below.

Want ChatGPT to cite timestamps? Paste the transcript as it appears on the PasteQuill page, with timestamps, or download the SRT file and paste its contents. Then use the quotes prompt below.

Copy-and-paste ChatGPT prompts for YouTube summaries

Replace the text in [brackets], paste the transcript where shown, and send. Each template asks ChatGPT to stick to the transcript, which helps it avoid filling gaps with guesses.

Quick summary

Summarize the YouTube video transcript below for [audience, e.g. a busy manager].
Give me:
1. A one-sentence summary.
2. The 5 most important points as bullets.
3. Any conclusions or recommendations the speaker makes.
Use only what's in the transcript. If something is unclear, say so instead of guessing.

Video: [title and link]
Transcript:
[paste transcript]

Study notes

Turn this lecture transcript into study notes.
- Organize them under clear headings in the order topics are covered.
- Define each key term in one or two sentences.
- List any examples, formulas or steps exactly as given.
- End with 5 review questions and short answers based only on the transcript.

Transcript:
[paste transcript]

Key quotes with timestamps

From the timestamped transcript below, pick the [5] most quotable lines.
For each one, give the exact quote, its timestamp, and one sentence on why it matters.
Copy the quotes word for word. Don't paraphrase or combine lines.

Transcript:
[paste transcript with timestamps]

Action items and takeaways

Read this transcript of a [webinar / tutorial / talk] and list:
1. Every concrete action or recommendation, written as a checklist.
2. Any tools, resources or links the speaker mentions.
3. Open questions or claims I should verify before acting on them.
Keep it to what the transcript says.

Transcript:
[paste transcript]

Chapter outline

Create a chapter outline for this video from its timestamped transcript.
For each chapter, give the start timestamp, a short title (under 8 words) and a one-line description.
Aim for [6-10] chapters that follow where the topic actually changes.

Transcript:
[paste transcript with timestamps]

Long videos in parts

I'll send a long video transcript in [3] parts. After each part, reply only with "Got part X" and a 3-bullet summary of that part.
After the last part, write a full summary of the whole video: an overview paragraph, the main points in order, and the speaker's conclusion.

Part 1:
[paste first part]

Follow-up questions that get better results

The first summary is a starting point. A few follow-ups usually make it much more useful:

• “Which points in your summary are the speaker's opinion rather than fact?”
• “What does the speaker say about [topic]? Quote the relevant lines.”
• “Rewrite the summary for [a 10th grader / a technical audience / a LinkedIn post].”
• “What did you leave out of the summary that a skeptic would want to know?”

Check the summary before you use it

AI summaries can drop context, merge separate points or state something more confidently than the speaker did. Auto-generated captions add their own errors, often in names, numbers and technical terms. Before you rely on a summary, check the claims that matter most. On the PasteQuill result page, each passage's timestamp opens that moment in the YouTube video, so checking a line takes seconds.

It's also worth keeping the video link with your summary. If you share it, people can go back to the source; if you return to it in a month, you'll know exactly where it came from. Our guide to turning a YouTube video into notes covers this habit in more detail.

What if the video has no captions?

Without captions, there's no transcript to copy. PasteQuill may offer free AI transcription for public videos up to 3 minutes, which you confirm first. For longer videos without captions, you'll need a tool that transcribes the audio; our comparison of PasteQuill, Notta and Otter covers two that do.

Start with the words: use the free Copy a YouTube transcript page to grab a video's full text in one click, then paste it into ChatGPT with a prompt above.