Eightify

What is Eightify?

Eightify is a Chrome extension that uses AI to summarize YouTube videos. Free tier covers 3 summaries daily; Premium at $4.99/mo annual unlocks unlimited use. Used by 1M+ users in 2026 who watch substantial video content but want to filter and prioritize what's worth full attention. Best for researchers, knowledge workers, and creators who use YouTube as a primary information source.

The product is narrow but executes well. Install the Chrome extension, navigate to any YouTube video, click the Eightify icon, and get an AI-generated summary covering key insights, important timestamps, and chapter-by-chapter breakdown. The summary appears in a sidebar alongside the video — useful for deciding whether to watch fully, skipping to relevant sections, or extracting key information without watching.

What Eightify does differently than competitors: focus on YouTube specifically with polished UX. Where general AI tools require copying transcript text into ChatGPT or Claude, Eightify integrates directly into the YouTube viewing experience. The friction reduction matters for daily use — what would otherwise be a 5-step workflow becomes one click.

The free tier is genuinely usable for occasional viewers. 3 summaries per day handles light research-heavy viewing. Active users (researchers, educators, content creators consuming hours of YouTube daily) hit the limit quickly and upgrade.

Who is it for?

Researchers and analysts using YouTube as a primary information source. Lectures, conference talks, podcast interviews, expert discussions — all of which run 30-90 minutes per video. Summaries enable rapid triage of which videos deserve full attention.

Content creators researching their niche. Watching competitor content, industry analysis videos, and trending topics to inform original content. The summary approach handles "I need to understand what's being discussed in this space" workflow efficiently.

Students supplementing coursework with YouTube educational content. Lecture summaries, tutorial highlights, study material extraction. Free tier handles light student use; Premium fits more active research patterns.

Non-native English speakers consuming English YouTube content. Summary in native language enables comprehension before deciding whether to watch with subtitles or full attention.

Knowledge workers using YouTube for professional development. Industry talks, software tutorials, leadership content. Summarization enables faster decision-making about which long-form content to watch.

Key Features

• One-click summarization — Single button in YouTube sidebar generates full summary
• Key insights extraction — Bulleted highlights from across the video
• Important timestamps — AI-identified moments worth jumping to
• Chapter-by-chapter breakdowns — Section summaries for longer videos
• 40+ language outputs — Summary in any major language regardless of source language
• Long video support — Up to 60 min free tier; 10+ hours on Premium
• Chrome and Edge extensions — Cross-browser support for both major browsers
• Mobile companion — Web app accessible on mobile for video summarization workflow
• Export to text — Copy summary content for external use (notes, reports, etc.)
• History tracking — Saved summaries for re-reference
• Privacy posture — No personal data collected beyond service-necessary; YouTube viewing history not tracked
• No YouTube login required — Works on any YouTube content without account integration

Eightify vs Competitors 2026

Data verified May 2026 from each provider's pricing pages.

Eightify vs Glasp: Different scopes. Glasp is broader (web pages, YouTube, PDFs all in one tool) with social highlight features. Eightify is narrower (YouTube only) with cleaner UX. Pick Eightify for YouTube focus; Glasp for cross-content workflow.

Eightify vs ChatGPT Plus: ChatGPT can summarize YouTube manually (paste transcript, ask for summary). Eightify automates the workflow with one-click integration. ChatGPT Plus subscriber might use Eightify alongside; non-subscribers find Eightify cheaper than ChatGPT subscription for YouTube use specifically.

Eightify vs NotebookLM: NotebookLM (free) handles YouTube content among broader research workflows. NotebookLM is better when YouTube is part of larger research project; Eightify is better when YouTube is the primary content type.

Pricing 2026

Prices verified May 2026 from eightify.app/pricing. Annual billing offers approximately 50% discount versus monthly equivalent.

For most active users, Premium Annual at $4.99/mo effective is the right call. Free tier is generous but caps at 3 summaries daily — light users may not need to upgrade. Team tier matters for content teams or research groups consuming high YouTube volumes.

Our Testing

Testing Eightify across diverse YouTube content (educational lectures, tech tutorials, podcast interviews, conference talks, vlogs). Summary quality was strongest on structured content with clear segments — lectures, tutorials, formal interviews. Weaker on loose content (vlogs, reaction videos, comedy) where the conversational structure doesn't map to summary format.

Key insight extraction worked reliably on long-form podcast content (60+ minute conversations). The AI identified the most discussion-worthy moments — useful for deciding which 10 minutes of a 90-minute podcast deserve attention.

Multi-language summaries impressed us. Summary of Russian-language source video in English output was readable and accurate. Spanish, French, German summaries were similarly solid. Smaller languages (Vietnamese, Tagalog) less reliable.

The honest weak spots: cost per summary on free tier is artificial scarcity (3/day is low for serious researchers). Some summaries miss nuance — particularly on technical topics where small details matter. Transcript accuracy depends on YouTube's auto-captions, which fail on non-English content with English creators. Quality varies by content quality of source video.

Use Cases

Researcher tracking AI industry through YouTube content. Premium tier. Conference talks, expert interviews, technical tutorials all consumed via summaries first. Decide whether to invest 60+ minutes per video based on summary quality.

Content creator competitive research. Premium tier. Watch competitors' content via summary to understand themes, identify gaps, find content ideas without spending hours daily.

Student supplementing coursework. Free or Premium tier. Khan Academy videos, lecture recordings, supplementary YouTube content all flow through summary workflow. Saves hours weekly.

Non-native English speaker consuming English content. Premium tier. Summary in native language enables comprehension; decide whether to watch with subtitles based on summary.

Knowledge worker professional development. Free tier (light use) or Premium (active use). LinkedIn talks, industry analysis, software tutorials — all consumed more efficiently via summary triage.

Our Verdict

Eightify is the focused YouTube summarization tool that works as advertised at accessible pricing. The free tier is genuinely useful for casual users; Premium at $4.99/mo annual is among the cheapest specialized tools in the AI productivity category. The workflow integration (Chrome extension directly in YouTube) is meaningfully smoother than manual ChatGPT workflows.

The honest assessment: this is a narrow tool serving a specific use case well. For users whose research workflow centers on YouTube content, Eightify earns its place. For users who want broader content summarization (web pages, PDFs, internal documents), Glasp or NotebookLM serve broader needs. The free tier daily limit (3/day) is the main upgrade pressure.

Disclosure: AIVario does not currently have an affiliate relationship with Eightify. Our rating reflects honest editorial assessment with no commercial incentive.

Best for: YouTube-heavy researchers, content creators doing competitive research, students supplementing coursework, non-native English speakers consuming English video content.

Not ideal for: Cross-content research workflows (try Glasp or NotebookLM), users wanting deep content analysis vs. quick summaries, or workflows requiring video data extraction beyond summarization.

Bottom line: The cleanest YouTube summarization tool in 2026 — focused execution, accessible pricing, genuine workflow integration that earns its place in research-heavy YouTube consumption.

Related Tools

• Glasp — Broader content summarization including YouTube, web, PDFs
• NotebookLM — Document Q&A platform with YouTube support
• ChatGPT — General AI alternative for manual YouTube summarization
• Claude — Alternative for manual content summarization workflows
• Otter — Audio/video transcription with summarization for meetings