(01) CHAPTER ONE — THE MOMENT FOR YOUTUBE · CHROME / EDGE

A summary,
ready before
you finish
watching.

YT Summary reads the transcript of any YouTube video and generates a concise AI summary — custom prompts, multi-language translation, section-by-section breakdown — so you can learn faster without watching the entire video.

YT
YT Summary 12:34
Machine Learning Basics
Neural networks consist of layers of interconnected nodes that process information...
Summarizing section...
(03) HOW IT WORKS

Three things happen the
moment you click Summarize.

01

It reads.

YT Summary extracts the transcript from YouTube's built-in caption track. No API key needed for transcripts, no external service — just the text YouTube already generated for accessibility.

02:15 Today we'll cover the five key concepts of deep learning that every developer should know...
FRAGMENT FROM THE TRANSCRIPT
02

It thinks.

The transcript is sent to ChatGPT with your custom prompt. You decide the focus: main points, code snippets, action items, or a study guide. The AI sees only the transcript — never your screen, never your browsing data.

Processing with GPT-4o...
PROCESSING WITH YOUR CUSTOM PROMPT
03

It delivers.

A structured summary appears right in the sidebar, section by section. Click any timestamp to jump to that part of the video. Copy the entire summary or export the transcript as a .txt file.

Neural networks process data through layers of interconnected nodes, enabling pattern recognition.
SUMMARY APPEARS IN THE SIDEBAR
(04) USE CASES

Built for how people
actually learn.

📚

Online courses.

Summarize Udemy, Coursera, or any educational video on YouTube. Get the key takeaways without sitting through hours of content — jump to the sections that matter.

💻

Tech tutorials.

Extract code snippets, configuration steps, and architectural decisions from programming tutorials. Your custom prompt can focus on the exact technical details you need.

🌍

Language learning.

Translate transcripts into Vietnamese, English, or any supported language. Show subtitles right on the video player or in the transcript panel — your choice.

🎙️

Podcast recaps.

Long-form interviews and podcasts on YouTube become scannable summaries. Get the key quotes, topics covered, and action items without the two-hour commitment.

(05) INSIDE THE SIDEBAR

Small surfaces, built for how
a video actually teaches.

01 · FEATURE

Custom prompts that fit your style.

Write your own ChatGPT prompt to control exactly how the AI summarizes. Want bullet points? A study guide? Code-focused extraction? Your prompt, your format. Save and reuse across videos.

"One prompt to rule them all."
YT Summary - AI Summary tab showing structured summary of a YouTube video
02 · FEATURE

Real-time transcript translation.

Translate any video's transcript into your preferred language. Show translated subtitles directly on the video player, in the transcript panel, or both. Export the bilingual transcript as .txt.

"Watch in English, read in Vietnamese."
YT Summary - Transcript translation with Vietnamese subtitles
03 · FEATURE

Section-by-section summary.

Instead of one giant wall of text, YT Summary breaks the video into logical sections based on the transcript timeline. Each section gets its own summary with a clickable timestamp — jump right to the relevant part.

"Navigate a 2-hour lecture in 30 seconds."
YT Summary - Translation Settings popup with language, subtitle color and font size options
04 · FEATURE

One shortcut to summarize.

Click the CC button in the sidebar or use the browser action to instantly generate a summary. No menus, no configuration — just one click and the AI starts working. Results stream in real-time.

CC Transcript & Summary

Button lives in the sidebar — always visible when watching a video.

YT
YT Summary
CC
(06) PRICING

Start free. Upgrade when you're ready.

Start on Free with daily limits. When you need more, upgrade for unlimited access — cancel any time.

FREE
For casual learners.
$0 / FOREVER
  • Daily AI summary quota
  • YouTube transcript extraction
  • Custom ChatGPT prompts
  • Section-by-section breakdown
  • Transcript export (.txt)
Install for Free
PRO
For power users.
$9.99 / MONTH
  • Unlimited AI summaries
  • Everything in Starter
  • Unlimited translation
  • Priority support
  • Cancel any time
Upgrade to Pro
(07) FAQ

Things people ask
before they install.

YT Summary works on any YouTube video that has captions or subtitles available. This includes auto-generated captions, manually uploaded subtitles, and live stream transcripts. Videos without any caption track cannot be summarized.

No — YT Summary uses our hosted AI infrastructure. You don't need an OpenAI API key. Free users get a daily quota of summaries, and paid plans offer higher or unlimited usage.

Yes! YT Summary supports multi-language transcript translation. You can translate transcripts into Vietnamese, Spanish, French, German, Japanese, and many more languages. The AI summary also respects your chosen output language.

No. YT Summary only reads the transcript of the current video you're watching. We don't access your browsing history, watch history, or any other personal data. The transcript is sent to the AI for processing and that's the end of the round trip.

Absolutely. You can write your own custom prompt in the settings page. This lets you control the AI's output format — whether you want bullet points, study guides, code extraction, or any other format. The prompt is saved and reused across all videos until you change it.

Yes, absolutely. You can cancel your Pro or Starter subscription at any time from the extension's settings page. No questions asked, no penalties. You'll retain access until the end of your current billing period.

Ready to learn faster?

Install YT Summary and start summarizing any YouTube video in seconds.

Install for Chrome — It's Free