AI YouTube video summarizer — get key insights in seconds.
Productivity
Eightify is the AI YouTube summarizer that turned "TL;DR for a video" into a workable product — a browser extension that sits quietly next to any YouTube video and, on demand, produces a structured summary with the eight key points, timestamped links back to the moments those points are made, and a chat window to ask follow-up questions of the transcript. Founded in 2023 by Alex Ivanovs and Vlad Yudin and shipped originally as a quick "summarize this YouTube video in ChatGPT" prototype, Eightify grew into a full product with over a million installs on the Chrome Web Store, a Safari extension, a mobile experience, and a serious business built around the specific job of collapsing a 45-minute video into a two-minute read.
What Eightify actually does, cleanly stated, is take any YouTube video that has a transcript (essentially all of them, thanks to YouTube's auto-captions) and produce a structured summary card with eight key insights, each anchored to a timestamp you can click to jump into the video at that exact moment. Beyond the summary, Eightify offers a chat interface — ask questions of the video's content, get answers grounded in the transcript, follow up on specific claims. There is also multi-language translation, playlist summarization for course content, and export to Notion, Slack, and email. The whole thing lives in a side panel next to YouTube and stays out of the way when you are just watching.
The one-line positioning: Eightify is the tool you install when you want to know if a long YouTube video is worth watching before you commit 45 minutes to it — and, if it is, which specific parts are worth watching. For a busy person consuming educational YouTube, long-form podcast videos, business talks, tech tutorials, and video essays, the workflow is simple: install the extension, click "summarize" on any video, read the eight key points, and either close the tab (video not worth it) or jump to the specific timestamps that look interesting (skip the fluff). This is a legitimately useful workflow, and Eightify does it as well as anyone.
Eightify is not the only YouTube summarizer on the market — Glasp does it for free with different priorities, and there are dozens of Chrome extensions in adjacent territory. What Eightify has done is polish the specific YouTube summary workflow to a level of speed, structure, and cross-platform coverage that few competitors match. The eight-point format is a real design choice — enough structure to be scannable, not so much that it fragments the video's argument. The timestamps are reliable. The chat interface is competent. The extension is fast and unobtrusive. Small things done well add up to a real product.
Eightify's product surface is deliberately narrow. The features that earn the subscription are the summary card, the chat interface, and the multi-language support.
Eight-point video summaries. The signature feature. Click the extension button on any YouTube video and Eightify produces a structured summary with (usually) eight key insights, each with a timestamp. The eight-point format is the design decision that makes the tool scannable — you can read a full summary in about 90 seconds and decide what to watch, if anything.
Timestamped jump-back to the video. Every summary point links to the specific moment in the video where the claim is made. One click and you are watching the relevant 30 seconds instead of scrubbing through 45 minutes. This is the workflow that turns Eightify from a summarizer into a triage tool.
Chat with video. Ask any question about the video's content and get an answer grounded in the transcript. "What does the speaker say about topic X?" "Give me the counterargument they raise." "Explain the technical concept mentioned around minute 12." The chat is genuinely useful for the "I want more depth on this specific part" workflow.
Multi-language support. Summaries can be generated in 40+ languages, including Arabic, Spanish, French, German, Chinese, Japanese, Portuguese, Russian, Hindi, and many others. This is a real feature for anyone consuming English YouTube in a non-English native language, or vice versa. Translation quality is competent for major languages.
Playlist summarization. For educational content — a 30-video course on YouTube, a lecture series, a workshop playlist — Eightify can summarize the entire playlist as a structured document. Useful for the "should I take this course" decision or the "review the key points across all lectures" study aid.
Podcast video summaries. Long-form podcast videos (Joe Rogan, Lex Fridman, Huberman Lab, All-In) are one of the strongest use cases. A three-hour podcast video becomes an eight-point read in seconds. Perfect for triage — decide if the episode is worth the full listen, or extract the specific 10-minute segment that interests you.
Export options. Notion, Slack, email, PDF, and copy-to-clipboard. Data portability is good — every summary can leave the tool for your knowledge system of choice.
Chrome, Firefox, Edge, and Safari extensions. Broad browser coverage. The Safari extension is not always as feature-complete as Chrome, but it exists — which is more than many competitors offer.
iOS and Android apps. Mobile summarization is legitimately supported via native apps. Useful for the phone-watching context where the browser extension does not exist.
Autoplay-friendly UI. The summary panel does not block the video, does not pause playback, and does not interrupt the watching experience. You can generate summaries in the background while watching, which is a small but real UX detail.
What Eightify deliberately does not do. No note-taking or highlighting within the video (that is Glasp's job). No video editing or clipping. No non-YouTube video support (Vimeo, Twitch, TikTok are not covered). No podcast audio (audio-only podcasts, not YouTube podcast videos, need a different tool).
Eightify is freemium with a limited free tier and paid Pro subscription tiers.
| Plan | Monthly | Annual (per month) | What you get |
|---|---|---|---|
| Free | $0 | — | Limited summaries per day, basic features |
| Pro | $9.99 | $4.99 ($59.88/year) | Unlimited summaries, chat with video, multi-language, all exports |
| Team | Custom | Custom | Multi-user licenses, shared workspaces |
Free at $0 gives you a small number of summaries per day (typically around 5-10 depending on current caps) with basic features. It is enough to try the tool and see whether the workflow fits, but not enough for daily heavy use. Most users hit the cap within a session or two.
Pro at $9.99/month (or $4.99 effective on annual, about $60/year) is the tier working users land on. Unlimited video summaries, unlimited chat, all 40+ language support, all export formats, and priority processing during high-load periods. At $60/year, it is priced fairly for someone who summarizes even a few videos a week — the subscription pays for itself in saved time within a month.
Team pricing is quote-based for organizations wanting shared workspaces and admin billing. Aimed at learning teams, sales enablement organizations consuming video content, and educational institutions.
Eightify occasionally runs lifetime deals through AppSumo and similar platforms — worth checking if you prefer one-time purchases to subscriptions. The lifetime deal has historically been priced around $59-99 one-time.
The honest read: at $5/month annual, Pro is priced fairly for what the tool does. It is roughly the same price as the entry-tier ChatGPT alternatives, and for the specific YouTube summarization workflow, Eightify is meaningfully faster and better structured than pasting transcripts into ChatGPT. If you consume more than a few long YouTube videos per week — educational content, podcast videos, business talks — the subscription pays for itself in saved time.
Pros
Cons
Consuming educational YouTube efficiently. The canonical use case. You have a Watch Later list of 30 videos — university lectures, tutorials, conference talks, technical deep-dives — and no time to watch all of them. Eightify triages the list into "watch," "skim the relevant section," and "skip." This alone justifies the subscription for anyone using YouTube as a learning platform.
Triaging long-form podcast videos. Joe Rogan, Lex Fridman, Huberman, All-In, and similar three-hour podcast videos are a specific and huge use case. Eightify tells you if the episode is worth the full listen and, if not, extracts the specific segment that interests you. This is a massive time-saver for anyone who wants to follow multiple long-form podcasts without dedicating 15 hours a week.
Language learning. ESL learners who consume English YouTube can generate summaries in their native language for comprehension check. Native English speakers learning other languages can consume foreign-language YouTube with English summaries. Legitimate cross-language utility.
Business intelligence and competitive research. Watching competitor YouTube channels, sales talks, product demos, and conference presentations at scale. Eightify makes the "what did they announce" question answerable in minutes.
Sales and revenue teams consuming customer content. Product demos, prospect webinars, executive interviews. Eightify plus a CRM note field is a real workflow for keeping up with customer content.
Content creators researching topics via video. YouTubers, podcasters, and video essayists who need to consume large amounts of video for research. Eightify lets you triage 20 potential source videos in an hour instead of a week.
Students studying from YouTube. MIT OpenCourseWare, MOOCs on YouTube, exam prep channels. Playlist summarization is the specific feature that fits this use case.
News junkies keeping up with video news content. Political commentary channels, financial analysis videos, tech news roundups. Eightify triages the noise.
Bad fit. Anyone who watches YouTube primarily for entertainment (comedy, gaming, sports) — the workflow does not apply. Anyone who needs deep note-taking during watching (Glasp is the pick). Anyone who consumes non-YouTube video (Vimeo, Twitch, TikTok are not supported).
Eightify's competitive landscape is crowded but not equal — many extensions summarize YouTube videos; few do it as cleanly.
Glasp — the free social-highlighting competitor. Glasp does YouTube transcript highlighting plus AI summaries as part of a broader knowledge-management workflow. Free, more feature-rich in the "knowledge system" sense, less polished on the specific eight-point summary format. If you want highlighting-and-notes, Glasp wins. If you want fast triage summaries, Eightify wins.
YouTube's own AI features — the incumbent-with-AI answer. YouTube has been rolling out AI-generated summaries and chapter markers directly in the platform. Improving, still less structured than Eightify, and coverage varies. If you use YouTube heavily, watch for the native features — they may eventually make third-party tools like Eightify redundant.
ChatGPT and Claude with transcript paste — the frontier-model alternative at $20/month. Both can summarize YouTube videos if you paste the transcript. What you lose is the extension workflow, the timestamp anchoring, and the multi-language export polish. For occasional summarization, ChatGPT is fine. For daily use, Eightify's workflow is meaningfully faster.
Perplexity — the general research alternative. Perplexity can answer questions about YouTube videos with some prompting, but it is not built for the specific "structured summary of this video" workflow. Different job.
NoteGPT and Video Summarizer AI and other Chrome extensions — the direct competitors. Multiple extensions do essentially the same thing as Eightify, with varying quality and polish. Eightify's advantages are the eight-point format, the multi-language coverage, and the cross-platform apps. Some competitors are cheaper; few are clearly better.
Snipd — the podcast-focused alternative. Snipd is a podcast player with AI transcription and clipping. Better for audio podcasts (not YouTube video podcasts), less useful for general YouTube summarization. Complementary rather than competitive.
Notion AI — different category, but relevant if you already work in Notion. Notion AI can summarize pasted transcripts, but the workflow friction is real. Eightify is a purpose-built tool; Notion AI is a general one.
Manual transcript reading — the free-adjacent answer. YouTube provides transcripts on most videos; you can read the transcript in the "Show transcript" panel. Fine if you have time. Eightify is faster.
Install the Eightify extension for your browser. Chrome Web Store is the primary distribution channel. Firefox, Edge, and Safari versions are also available. Install and sign in with Google or email.
Try it on a real video from your Watch Later list. Not a demo. Pick a 30-45 minute video you were genuinely thinking about watching — a lecture, a podcast episode, a technical talk — and generate a summary.
Judge the eight-point summary honestly. Does it capture the video's main points? Are the timestamps accurate? Would reading the summary help you decide whether to watch the video? This is the value proposition test.
Use the chat interface on one specific claim. Ask the chat a follow-up question about a specific point in the summary — "give me more detail on the argument the speaker makes about X." Judge whether the answer is grounded in the transcript or generic.
Try multi-language summarization if you use it. Summarize an English video in your native language, or vice versa. This is one of the strongest features of the tool — worth testing on real content.
Test the playlist summarization on a course. If you have a favorite YouTube course or lecture series, run the playlist summarization to see whether the structured document accelerates your study.
Upgrade to Pro if you hit the free cap. At $5/month annual, the subscription is a clean call for anyone who summarizes more than a few videos a week. The free tier is designed to test the workflow; the paid tier is designed to sustain it.
Export summaries to your knowledge system. Notion, Slack, or email. Every summary you find useful should leave Eightify and land in the tool where your notes actually live.
Is Eightify better than YouTube's own AI summaries? Currently, yes — the eight-point format is more scannable than YouTube's paragraph summaries, and Eightify's multi-language and export features are more polished. That said, YouTube is improving its native features, and this could change over time.
Which AI models does Eightify use? A rotating mix of frontier models — GPT-4/5 class, Claude class — with Eightify's own prompt engineering and structured output constraints. Model versions rotate as new releases land.
How accurate are the summaries? For clearly structured educational content, summaries are accurate and useful. For rambling podcast conversations or videos with poor transcription, accuracy drops. Always spot-check specific claims before citing them.
Does Eightify work on any YouTube video? Essentially any video with a transcript, which is almost all of them thanks to YouTube's auto-captions. Very short videos (under 2 minutes) and videos with music-only audio may not summarize meaningfully.
Can I summarize private or unlisted YouTube videos? Yes, if you have access to the video. Eightify uses the transcript that YouTube's player provides, so any video you can watch, you can summarize.
Does Eightify support other video platforms? YouTube only. No Vimeo, no Twitch, no TikTok, no Twitter/X video. This is a real limitation for anyone whose video consumption spans multiple platforms.
Does Eightify train on my summarization queries? Data practices depend on the current terms of service. Personal-tier data may be used for product improvement by default; check the privacy policy for opt-out options.
Can I download a summary as PDF or Notion? Yes — PDF, Notion, Slack, email, and copy-to-clipboard exports are all supported on Pro. Export is not gated behind higher tiers.
Is there a lifetime deal? Eightify has run lifetime deals on AppSumo and similar platforms in the past. Whether one is currently available varies. Worth checking if you dislike subscriptions.
Eightify Pro at $5/month annual is the right pick for anyone who consumes long YouTube content regularly and wants a fast, structured way to triage what is worth watching. The eight-point summary format, the reliable timestamps, the competent chat interface, and the multi-language export polish combine into a workflow that meaningfully accelerates YouTube consumption for educational content, podcast videos, business talks, and technical tutorials. For the specific job of "should I watch this 45-minute video, and if yes, which parts," Eightify is one of the best tools on the market.
Where Eightify stops being the right answer: highlighting and note-taking during watching (Glasp is the pick, and it is free), consuming non-YouTube video (Vimeo, Twitch, TikTok are not supported), deep-understanding work that requires actually watching a video for its tone and delivery (no summary replaces that), and users who watch YouTube for entertainment rather than information. Eightify is honest about being a triage tool, not a substitute for careful watching.
The honest recommendation: install the free extension today, try it on three videos from your actual Watch Later list, and judge whether the workflow accelerates your consumption. If yes — and for most people using YouTube as an educational medium, it does — upgrade to Pro at $5/month annual within the first week. Stack it with Glasp for the highlight-and-notes workflow on the videos you actually watch, with Perplexity for the general research questions videos raise, and with Notion AI as the knowledge system where summaries land. The three-or-four-tool productivity stack around video content costs about $30/month combined and covers a workflow that was essentially impossible a few years ago. Eightify is the triage layer, and it earns its place at the price it charges.