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Summarizer.tube

Best YouTube Summarizers in 2026

An honest comparison of 8 tools that summarize YouTube videos with AI. We tested each one so you don't have to.

Last updated: February 2026

Which YouTube Summarizer Is Best?

The best YouTube summarizer depends on your workflow. For quick, no-setup summaries, Summarizer.tube is the fastest option — paste a link and get key points in seconds, no extension or account needed. If you want in-page summaries while browsing YouTube, Eightify or Glasp offer solid Chrome extensions. For power users who need meeting transcription alongside video summaries, Notta or NoteGPT provide broader toolsets.

Feature Comparison Table

A side-by-side comparison of key features across all 8 YouTube summarizer tools. Check marks indicate full support; dashes indicate the feature is not available.

ToolFree tierChat with videoNo extension neededNo signup requiredMulti-language
Summarizer.tube5 summaries/day✓✓✓✓
NoteGPT3 summaries/day✓——✓
Eightify3 summaries/day———✓
GlaspVaries————
NottaLimited—✓—✓
Summarize.techLimited—✓✓—
GlarityLimited without API key———✓
ChatGPT (manual)Limited messages/day✓✓—✓

Detailed Reviews

Below you'll find an honest breakdown of each tool — what it does well, where it falls short, and how much it costs. We believe in transparency: Summarizer.tube is our product, and we list its limitations alongside everyone else's.

1. Summarizer.tube

A lightweight web app that summarizes YouTube videos using AI. Paste a link, get a structured summary with key points and chat with the video — no browser extension or account required.

Pros

  • +No extension or signup needed — works instantly in browser
  • +Chat with AI about the video after summarizing
  • +Multi-language support (any language with YouTube captions)
  • +Free daily summaries with no feature gating

Cons

  • −5 free summaries per day (Pro: 100/day)
  • −Requires video to have captions or auto-captions
  • −No browser extension for in-page summaries

Pricing: Free (5/day) · Pro $7.99/mo or $59.99/yr

2. NoteGPT

Full comparison →

AI-powered note-taking and summarization platform with a Chrome extension. Supports YouTube, articles, and PDFs with timestamped notes and mind maps.

Pros

  • +Timestamped notes synced to video
  • +Mind map generation from summaries
  • +Supports PDFs and articles beyond YouTube

Cons

  • −Requires Chrome extension for best experience
  • −Free tier is limited (3 summaries/day)
  • −Interface can feel cluttered for quick summaries

Pricing: Free (3/day) · Pro $9.99/mo

3. Eightify

Full comparison →

Chrome extension that adds AI summaries directly on YouTube pages. Provides key insights, timestamped highlights, and quick takeaways.

Pros

  • +Seamless YouTube integration via extension
  • +Clean, well-designed summaries
  • +Timestamped key insights

Cons

  • −Requires Chrome extension (no web app)
  • −Account required for full features
  • −Limited free tier (3 videos/day)

Pricing: Free (3/day) · Pro $9.99/mo

4. Glasp

Social web highlighter with a YouTube summary feature. The Chrome extension generates transcripts and AI summaries on YouTube pages, plus lets you highlight and share across the web.

Pros

  • +Free YouTube summary feature
  • +Social highlighting and sharing
  • +Transcript export functionality

Cons

  • −Chrome extension required
  • −YouTube summary is a secondary feature
  • −Must create account to use

Pricing: Free (basic) · Pro from $9.99/mo

5. Notta

Transcription-focused tool with AI summarization. Best known for meeting transcription, but also works with YouTube videos and audio files.

Pros

  • +Excellent transcription accuracy
  • +Supports live meetings and audio files
  • +Action item extraction from content

Cons

  • −YouTube summarization is not the core feature
  • −Requires account creation
  • −Free tier very limited for video summaries

Pricing: Free (limited) · Pro $13.99/mo

6. Summarize.tech

Minimalist web app that generates AI summaries of YouTube videos. Simple paste-and-go interface with no signup required.

Pros

  • +No signup needed
  • +Simple, clean interface
  • +Works in browser (no extension)

Cons

  • −No chat or follow-up questions
  • −Basic summary format (no key points)
  • −Limited customization options

Pricing: Free (limited) · Pro plans available

7. Glarity

Browser extension that adds AI summaries to YouTube, Google search results, and other websites. Uses ChatGPT or Claude for summarization.

Pros

  • +Works on YouTube, Google, and other sites
  • +Multiple AI model options
  • +Summary appears alongside content

Cons

  • −Browser extension required
  • −Needs your own API key for best results
  • −Can slow down page loading

Pricing: Free (with own API key) · Pro $12/mo

8. ChatGPT (manual)

You can manually copy a YouTube transcript and paste it into ChatGPT for summarization. Flexible but requires multiple manual steps.

Pros

  • +Extremely flexible — custom prompts
  • +Free tier available (GPT-4o mini)
  • +Works with any text content

Cons

  • −Must manually copy transcript (multiple steps)
  • −No direct YouTube integration
  • −Transcript may exceed context window

Pricing: Free (limited) · Plus $20/mo

Try Summarizer.tube Free

Get 5 free summaries per day. No extension, no signup, no credit card. Just paste a YouTube link and go.

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