Eightify Review — AI YouTube Video Summarizer

ProductivityFreemium

Best for: YouTube video summarization

Chrome extension and mobile app that summarizes YouTube videos into 8 key insights with timestamps, transcripts, and cross-language translation.

4.3(2.2k)

Founded 2022

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Eightify Chrome extension showing YouTube video summary with 8 key insights and timestamps

What Is Eightify?

This is a Chrome extension and mobile app that summarizes YouTube videos into approximately 8 key insights with timestamps. It works on videos up to 10 hours long and translates summaries into 40+ languages.

The tool is designed for people who watch a lot of YouTube for research, learning, or work. Instead of watching an hour-long lecture or podcast, you get the key takeaways in seconds.

Eightify Features

The extension works directly inside the YouTube interface. Click one button and the summary appears alongside the video.

One-click YouTube video summaries in approximately 5 seconds
Timestamped key-point navigation
Handles videos up to 10+ hours
Translate and summarize in 40+ languages
Full transcript extraction
Chrome extension plus iOS and Android apps
Summary history on paid plans

How Eightify Works

Install the Chrome extension or download the mobile app. Open any YouTube video and click the Eightify button. The AI extracts the transcript, identifies the key points, and generates a summary with timestamps.

You can click any timestamp to jump to that point in the video. Paid plans save your summary history and support longer videos and more languages.

Install the Chrome extension from the Web Store
Open a YouTube video and click the Eightify button
AI extracts transcript and generates 8 key insights
Click timestamps to navigate to specific points
Translate the summary into 40+ languages

Eightify Pricing

The free tier gives you 3 summaries per day for videos up to 60 minutes. That is enough for casual use.

Premium at $9.99 per month removes all limits: unlimited summaries, videos up to 10+ hours, summary history, and 40+ language translation. The annual plan at $59.88 per year brings the cost to approximately $5 per month.

Compare Plans & Pricing

Free (3 summaries/day); Premium $9.99/mo or $4.99/mo annual ($59.88/yr); Team $19.99/mo

Free

3 summaries per day for videos up to 60 minutes.

3 summaries per day
Videos up to 60 minutes
8 key insights with timestamps
Full transcript extraction
Basic translation

Start Free

Eightify vs [SoBrief AI](/tools/sobrief)

SoBrief AI provides summaries of books, articles, and videos across multiple formats. It is a broader content summarization tool.

This tool is YouTube-specific but executes that niche very well. If you primarily need video summaries, it is purpose-built. If you also summarize books and articles, SoBrief AI covers more ground.

Who Should Use Eightify?

The tool is ideal for students summarizing educational lectures, professionals extracting takeaways from keynotes, and researchers skimming long podcasts and interviews.

If you regularly watch YouTube for work or learning, the time savings add up quickly. The annual plan at $5 per month is one of the cheapest productivity tools available.

Pros and Cons of Eightify

The biggest strengths are the Chrome Web Store Featured badge, the very cheap annual plan, and the clean UX inside YouTube. The free tier is genuinely useful.

The trade-offs are YouTube-only (no web pages or PDFs), quality dependent on transcript accuracy, and free tier limited to 60-minute videos.

Pros

Chrome Web Store Featured badge for editorial endorsement
Very cheap annual plan at approximately $5 per month
Fast, clean UX directly inside YouTube
Genuine free tier with daily summaries

Cons

YouTube-only with no support for web pages or PDFs
Summary quality depends on video transcript accuracy
Free tier limited to videos under 60 minutes
Summaries can miss nuance in dense technical content

Eightify Alternatives

The most common alternatives are SoBrief AI for broader content summarization, Tutor AI for learning-focused summaries, and Quizgecko for quiz-based learning from content.

SoBrief AI covers books, articles, and videos. Tutor AI creates structured learning from content. Quizgecko generates quizzes. The best choice depends on your content type and learning style.

TutorAI

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Quizgecko

Research & EducationFreemium

Best for: AI quiz, flashcard & study note generator

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Best For

Recommended use cases and scenarios where Eightify shines.

research content-creation marketing

Frequently Asked Questions

Common questions about Eightify, answered.

What is Eightify?

A Chrome extension and mobile app that summarizes YouTube videos into 8 key insights with timestamps. It handles videos up to 10 hours and translates summaries into 40+ languages.

Is Eightify free?

Yes, the free tier gives you 3 summaries per day for videos up to 60 minutes. Premium removes all limits.

How much does Eightify cost?

Premium is $9.99 per month or $59.88 per year (approximately $5 per month). Team is $19.99 per month.

How does Eightify summarize YouTube videos?

It extracts the video transcript, uses AI to identify 8 key insights, and presents them with timestamps so you can jump to specific points in the video.

What is the Eightify Chrome extension?

A browser extension that adds an Eightify button to YouTube video pages. Click it to generate a summary instantly without leaving the page.

Does Eightify support other platforms?

No, Eightify is currently YouTube-only. It does not summarize web pages, PDFs, or videos from other platforms.

Is Eightify accurate?

Accuracy depends on the video transcript quality. For videos with clear audio and speech, summaries are reliable. For dense technical content, summaries may miss nuance.

What are the best alternatives to Eightify?

The most popular alternatives are [SoBrief AI](/tools/sobrief) for broader content, [Tutor AI](/tools/tutor-ai) for learning-focused summaries, and [Quizgecko](/tools/quizgecko) for quiz-based learning.