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Eightify

Eightify describes itself as an AI YouTube video summarizer from Rational Expressions Inc. The homepage says the extension extracts key ideas directly in YouTube, adds timestamped jumps, a comment overview, a transcript, and summaries or translations in 40+ languages. A FAQ says you install the extension, open any YouTube video, and click the summarize button. Mobile apps are listed for iOS and Android. Terms say premium subscriptions exist.

Official website · www.eightify.app

Pricing model
Paid
Main input
A YouTube video opened in the extension, app, or site
Output
Key points, timestamps, transcript, comment overview, share link
Access
Google account, age 13 or local minimum, premium subscription in the terms

Is Eightify right for you?

Eightify fits someone who already has the YouTube video open and wants a short read plus a way back to the moment. The public controls are specific: key ideas in the YouTube page, timestamped navigation, a top-comment overview, a transcript the page says outperforms YouTube subtitles, and one-click sharing as an article. Length is described as any YouTube video, including a multi-hour lecture, podcast video, or news clip hosted there, plus videos you uploaded. Eightify offers premium subscriptions, with cancellation through the app or support email and a pro-rata refund inside 30 days.

A good fit for

  • A viewer who wants key points and a timestamp without leaving the YouTube page.
  • Someone summarizing a long lecture, a podcast video, or a news clip that is already on YouTube.
  • A reader who will check the premium-subscription terms because no price is shown on these pages.

Know the trade-offs

  • The terms offer premium subscriptions and a 30-day pro-rata refund.
  • A homepage review calls it a paid service. That is a user comment, not a price card.
  • Claims such as 500,000+ users, 10x faster, and 6 hours saved per week are marketing lines on the page.
  • The terms page says last updated April 1, 2023. The privacy page says October 16, 2025. They are not the same date.

What the summarize button is said to return.

Click summarize on the YouTube page

The homepage FAQ answers how to summarize in one path. To use the feature, install the Eightify extension, navigate to any YouTube video, and click the summarize button. The Summary Generator is said to provide key points and insights. AI-Powered Insights are described as extracting key ideas from any video directly in the YouTube page, so the summary is framed as something you read beside the video rather than in a separate editor. The same FAQ says Eightify uses AI algorithms to analyze video content, extract main ideas, and generate summaries, and that it processes audio and textual elements. It does not name a model or a length slider. The terms page title includes the words AI ChatGPT. That title is a label, not a setting in the FAQ.

Official documentation

Timestamps, comments, transcript, and a share link

Smart Navigation is the jump control. The homepage says jump to specific topics with timestamped summaries. Top Comment Overview says see if people like you found the video useful. The feature line does not promise a full comment transcript. Video to Text says you can access transcriptions that outperform YouTube subtitles. Easy Sharing says turn summaries into shareable articles in one click. The FAQ adds that you can send the summary link or export the content.

Official documentation

Any YouTube length, including your own uploads

The length FAQ says Eightify can summarize YouTube videos of any length, whether a short clip or a multi-hour lecture. The answer says the summary technology can be applied to podcast videos and news hosted on YouTube. It does not say you upload an audio file from a podcast app. Your own uploads are included if they are on YouTube. The FAQ says the feature works on any YouTube video, including content you created. The terms say you must have the necessary rights to use the input content, and that Eightify is not responsible for copyright issues in user-generated summaries.

Official documentation

40+ languages, plus phone apps

Multilingual Support on the homepage says get summaries and translations in 40+ languages. The language FAQ repeats that Eightify can generate summaries for YouTube videos in 40+ languages. The privacy footer also shows a long menu of interface languages. That menu is not the 40+ summary list. Mobile is a separate FAQ. Eightify says the video summary is available on mobile through the App Store, the Play Store, or a mobile-friendly website. The privacy policy names the surfaces it covers: the site at https://eightify.app, including the Chrome Extension, Safari Extension, Android App, and iOS App. Eligibility says you must be at least 13, or the minimum age in your country, have a valid Google account, and be in a country where the service is available.

Official documentation

Ways to use Eightify

Skim a long lecture before watching

Install the extension, open the YouTube lecture, and click the summarize button. Read the key ideas directly in the YouTube page, then use timestamped summaries to jump to the section you still want to hear. The page also offers a transcript it says outperforms YouTube subtitles. Marketing lines about hours saved are.

Check a podcast episode that lives on YouTube

Another suggested workflow is a podcast or news video that is hosted on YouTube, which is the limit the FAQ actually states. Open that YouTube page, summarize it, and use the top-comment overview to see whether other viewers found it useful before you spend the hour. Sharing is the next step the FAQ does describe: send the summary link or export the content. Formats for the export are not listed.

Share notes from a video you published

A third suggested workflow uses your own YouTube upload. The FAQ says the summary feature works on content you created. Generate the summary, then turn it into a shareable article in one click or send the summary link. The terms still require that you have the rights to the input, and they say you must follow YouTube and Google Chrome terms because those are named third-party services. A suggested share is not a license.

How to get started with Eightify

  1. 1

    Install the extension or open the app

    The FAQ says to install the Eightify extension. Mobile is the App Store, the Play Store, or the mobile-friendly website.

  2. 2

    Open a YouTube video

    Navigate to any YouTube video, including a lecture, a podcast video, news on YouTube, or a video you uploaded.

  3. 3

    Click summarize

    The Summary Generator is said to return key points. Timestamped summaries are the jump control on the same page.

  4. 4

    Share or keep the transcript

    Send the summary link or export the content. A transcript is listed separately from the key ideas.

Premium subscriptions. A dollar amount was not verified here.

Check live pricing

The terms say Eightify offers premium subscriptions. They do not show a monthly or yearly amount. Cancellation is through the app interface or by emailing support. Users can request a refund within the first 30 days of use, and the terms say Eightify will provide a pro-rata refund for unused days. The footer label Free AI Tools is not described as a free summary allowance.

Premium

Anyone who needs the paid access the terms describe, after reading the refund window.

Not verified.

Subscription, amount not on the public pages.

  • Cancel through the app interface or by emailing support
  • A refund can be requested within the first 30 days, pro-rata for unused days

No dollar amount from a review site is repeated here. Signing up also consents to personalized emails based on your summary history, with an unsubscribe link in the email. Eligibility still requires a Google account. The terms were last updated April 1, 2023, so the refund wording is the public text, not a newer checkout screen.

Alternatives to Eightify

Elicit

The job is a research workflow in the Elicit listing, not a button on a YouTube page.

Elicit is tagged Research. Eightify's public pages summarize a YouTube video from the extension or app and mention premium subscriptions without a price.

Consensus

You want the other Research listing rather than a YouTube timestamp summary.

Consensus is tagged Research, Productivity, and Education. Eightify's public product is a summarize button, a transcript, and 40+ language summaries for YouTube.

ChatPDF

The source is a PDF you upload, not a video already playing on YouTube.

ChatPDF is tagged Research and Sales & Support. Eightify's FAQ limits podcasts and news to videos hosted on YouTube and does not describe a PDF upload.

Eightify: common questions

How do you summarize a YouTube video with Eightify?

Install the Eightify extension, navigate to any YouTube video, and click the summarize button. The FAQ says that returns key points. Key ideas are described as appearing directly in the YouTube page, with timestamped summaries for jumps.

Source
Does Eightify work on phones?

The FAQ says yes. Video summaries are available through the App Store, the Play Store, or a mobile-friendly website. The privacy policy also names a Chrome extension, a Safari extension, an Android app, and an iOS app. Sign-in on the public legal pages is with Google.

Source
Which videos can Eightify summarize?

Any YouTube video, of any length, including a short clip, a multi-hour lecture, and a video you created. Podcast videos and news are included when they are hosted on YouTube. You must have the rights to the input content.

Source
How many languages does Eightify claim?

The homepage says summaries and translations in 40+ languages, and the FAQ says Eightify can generate summaries for YouTube videos in 40+ languages.

Source
What does an Eightify premium subscription cost?

The terms say Eightify offers premium subscriptions, that you can terminate through the app or by emailing support, and that a refund within the first 30 days is pro-rata for unused days. Review sites in search results quote dollar amounts.

Source
What account and age rules are on the terms?

You must be at least 13, or the minimum age required in your country, have a valid Google account, and be located where the service is available. Misuse can lead to suspension or termination. Users must also follow Google Chrome and YouTube terms.

Source
What personal data does the privacy page name?

Name and email when you register, plus IP address, browser type, operating system, and access times. The YouTube embedded player is the only third-party cookie named there. You can ask to review or delete information by email, and iOS users can delete a profile in the app. No retention period in days is shown.

Source

Sources & last checked

Oct 6, 2026 · NavHunt editorial

NavHunt did not run Eightify and did not install the extension, open a YouTube video, or buy a subscription. This profile quotes the homepage, the terms of use, and the privacy policy. User reviews and marketing lines on the homepage are not NavHunt measurements. No price was shown on those pages. This description is based on Eightify's official materials reviewed on 2026-10-06, including Eightify homepage, Eightify terms of use, Eightify privacy policy.

Read the terms before assuming a free tier.

The terms say Eightify offers premium subscriptions and a 30-day pro-rata refund.

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