How to Summarize a YouTube Video

Updated May 2026  ·  3 min read

There are three ways to do it. One takes 30 seconds — right inside YouTube, no copy-paste, no external tools.

3 ways to summarize a YouTube video

Fastest
1

Chrome extension — works inside YouTube

Install YouTube Summary once. After that, every YouTube video gets an AI Summary panel built right into the page. Click "AI Summary" — done in seconds.

    Pros
  • No copy-paste, no tab switching
  • Works on any video automatically
  • Also gives full transcript with timestamps
  • Completely free
    Cons
  • Chrome only
2

Paste transcript into ChatGPT

Open a YouTube video, click the three-dot menu under the title → "Show transcript". Copy the text, paste it into ChatGPT, and ask for a summary.

    Pros
  • No install needed
  • Works in any browser
    Cons
  • Manual copy-paste every time
  • Transcript not always available
  • Requires ChatGPT account
  • Slow — 5+ steps per video
3

Online summarizer tool

Various websites let you paste a YouTube URL and generate a summary. Results vary widely by tool.

    Pros
  • No install needed
    Cons
  • Leave YouTube, open another tab
  • Many require sign-up or payment
  • Quality inconsistent
  • Ads, slow load times

Method 1 step by step

Using the Chrome extension takes about 30 seconds to set up, then works automatically on every video.

1

Install YouTube Summary from Chrome Web Store

Free, no account needed. Click "Add to Chrome".

2

Open any YouTube video

The extension panel appears below the video automatically on every watch page.

3

Click the "AI Summary" tab

The summary is generated in seconds. Switch to "Subtitles" to get the full transcript with timestamps.

Quick comparison

Feature YouTube Summary ChatGPT method Online tools
Steps per video 1 click 5+ steps 3–4 steps
Works inside YouTube ✓ ✗ ✗
Full transcript + timestamps ✓ manual copy sometimes
Free ✓ limited partially
No sign-up ✓ ✗ usually not

Try it on the next video you watch

Free Chrome extension. No sign-up. Works on any YouTube video.

Add to Chrome — It's Free

Frequently asked questions

YouTube has been testing AI summaries in limited regions, but the feature is not available globally and only covers a small portion of videos. A Chrome extension works on any video right now, everywhere.
The extension works with both manually uploaded subtitles and YouTube's auto-generated captions. If a video has no captions at all, no tool can extract text from it without audio transcription.
Usually a few seconds. The extension fetches the transcript and sends it to the AI. Even for long videos (1–2 hours), the summary appears in under 10 seconds.
Yes. The AI processes the video's subtitle language regardless of what it is. The summary output language follows your interface language setting.
Yes — switch to the Subtitles tab and use the copy button to grab the full transcript. Each line includes its timestamp.