AI Summarizer for YouTube
Last Updated on: Jan 7, 2026
AI Summarizer for YouTube
0
0Reviews
6Views
0Visits
Summarizer
AI Productivity Tools
AI Education Assistant
AI Knowledge Management
AI Knowledge Base
What is AI Summarizer for YouTube?
InsightKeeper AI YouTube Summarizer is a completely free macOS application designed to transform lengthy YouTube videos into three powerful and distinct summary formats: Quick Summary, Sequential Summary, and Deep Dive Questions with zero cost or in-app purchases. It runs entirely locally on your Mac, preserving your privacy by avoiding any server uploads.

The tool simplifies hours of video into compact, actionable insights optimized for tutorials, lectures, interviews, or any long-form video content. Featuring seamless integration with macOS and available directly from the Mac App Store, InsightKeeper AI offers users an efficient and secure way to extract meaningful intelligence from YouTube videos instantly and privately.
Who can use AI Summarizer for YouTube & how?
  • Students & Educators: Distill lectures or tutorials into key takeaways.
  • Researchers & Professionals: Extract insights from interviews, webinars, or long-form content.
  • Content Consumers: Avoid information overload by getting high-level gist quickly.
  • Privacy‑Focused Users: Keep all processing local, without cloud uploads.

How to Use It?
  • Install the App: Download the free InsightKeeper AI YouTube Summarizer from the Mac App Store.
  • Paste YouTube Link: Copy any YouTube video URL and paste it into the app.
  • Let AI Process Locally: The app analyzes the video on your Mac—no internet uploads, safeguarding privacy.
  • Select Summary Type: Choose between Quick Summary, Sequential Summary, or Deep Dive Questions to view insights.
What's so unique or special about AI Summarizer for YouTube?
  • Entirely Free: No subscription, no in-app purchases, unlimited usage.
  • Privacy‑First: Local processing ensures all data remains on your device.
  • Multiple Summary Modes: Offers three distinct modes tailored to different needs.
  • Native Mac Integration: Smooth, user-friendly experience via the Mac App Store.
  • No Account Required: Immediate usability without registration or online sign‑in.
Things We Like
  • Completely free with unlimited summaries
  • 3 versatile summary modes for different use cases
  • Strong privacy—runs entirely offline on your Mac
  • Easy to install and use via the Mac App Store
  • No accounts, logins, or cloud dependencies
Things We Don't Like
  • Available only for macOS—no support for Windows or Linux
  • Limited to YouTube content—doesn’t support other video platforms
  • No mobile or web version—desktop-only access
Photos & Videos
Screenshot 1
Screenshot 2
Pricing
Free
This AI is free to use
ATB Embeds
Reviews

Proud of the love you're getting? Show off your AI Toolbook reviews—then invite more fans to share the love and build your credibility.

Product Promotion

Add an AI Toolbook badge to your site—an easy way to drive followers, showcase updates, and collect reviews. It's like a mini 24/7 billboard for your AI.

Reviews

0 out of 5

Rating Distribution

5 star
0
4 star
0
3 star
0
2 star
0
1 star
0

Average score

Ease of use
0.0
Value for money
0.0
Functionality
0.0
Performance
0.0
Innovation
0.0

Popular Mention

FAQs

Yes. It offers completely free and unlimited summarization with no hidden costs.
No. All summarization runs locally on your Mac—there are no server-side uploads.
Three: Quick Summary, Sequential Summary, and Deep Dive Questions.
No—it currently only supports macOS via the Mac App Store.
No—it only accepts YouTube URLs as input.
TimeSkip
logo

TimeSkip

0
0
12
0

TimeSkip AI is an AI-powered YouTube Chapter Generator that automatically creates chapters for YouTube videos. Its main goal is to significantly increase video visibility and boost audience engagement by optimizing videos for search engines.

TimeSkip
logo

TimeSkip

0
0
12
0

TimeSkip AI is an AI-powered YouTube Chapter Generator that automatically creates chapters for YouTube videos. Its main goal is to significantly increase video visibility and boost audience engagement by optimizing videos for search engines.

TimeSkip
logo

TimeSkip

0
0
12
0

TimeSkip AI is an AI-powered YouTube Chapter Generator that automatically creates chapters for YouTube videos. Its main goal is to significantly increase video visibility and boost audience engagement by optimizing videos for search engines.

PDF Summarizer
logo

PDF Summarizer

0
0
4
0

PDF Summarizer Pro is a robust AI-powered tool designed to help users efficiently extract key insights, summaries, and detailed study guides from PDF documents. It caters especially to students, researchers, and professionals who often deal with lengthy or complex documents, enabling them to save time and improve comprehension. The platform supports uploading multiple PDF files and offers an interactive Q&A chat interface that allows users to ask specific questions about the content, facilitating deep exploration beyond just summaries. Additionally, it supports multi-language documents and offers an organized dashboard to manage and search across uploaded files. By leveraging advanced natural language processing and text extraction techniques, PDF Summarizer Pro provides concise overviews, keyword highlights, and actionable insights that simplify document analysis.

PDF Summarizer
logo

PDF Summarizer

0
0
4
0

PDF Summarizer Pro is a robust AI-powered tool designed to help users efficiently extract key insights, summaries, and detailed study guides from PDF documents. It caters especially to students, researchers, and professionals who often deal with lengthy or complex documents, enabling them to save time and improve comprehension. The platform supports uploading multiple PDF files and offers an interactive Q&A chat interface that allows users to ask specific questions about the content, facilitating deep exploration beyond just summaries. Additionally, it supports multi-language documents and offers an organized dashboard to manage and search across uploaded files. By leveraging advanced natural language processing and text extraction techniques, PDF Summarizer Pro provides concise overviews, keyword highlights, and actionable insights that simplify document analysis.

PDF Summarizer
logo

PDF Summarizer

0
0
4
0

PDF Summarizer Pro is a robust AI-powered tool designed to help users efficiently extract key insights, summaries, and detailed study guides from PDF documents. It caters especially to students, researchers, and professionals who often deal with lengthy or complex documents, enabling them to save time and improve comprehension. The platform supports uploading multiple PDF files and offers an interactive Q&A chat interface that allows users to ask specific questions about the content, facilitating deep exploration beyond just summaries. Additionally, it supports multi-language documents and offers an organized dashboard to manage and search across uploaded files. By leveraging advanced natural language processing and text extraction techniques, PDF Summarizer Pro provides concise overviews, keyword highlights, and actionable insights that simplify document analysis.

AI Book Summarizer
logo

AI Book Summarizer

0
0
6
0

AI Book Summarizer is a free online tool that transforms lengthy books into concise, meaningful summaries using advanced AI technology. It supports multiple book formats including PDF, EPUB, and TXT, performing smart chapter analysis and understanding key themes and context. Users can interact with the AI chat interface to explore specific chapters or topics in depth, enabling efficient learning and discovery without spending hours reading the entire book.

AI Book Summarizer
logo

AI Book Summarizer

0
0
6
0

AI Book Summarizer is a free online tool that transforms lengthy books into concise, meaningful summaries using advanced AI technology. It supports multiple book formats including PDF, EPUB, and TXT, performing smart chapter analysis and understanding key themes and context. Users can interact with the AI chat interface to explore specific chapters or topics in depth, enabling efficient learning and discovery without spending hours reading the entire book.

AI Book Summarizer
logo

AI Book Summarizer

0
0
6
0

AI Book Summarizer is a free online tool that transforms lengthy books into concise, meaningful summaries using advanced AI technology. It supports multiple book formats including PDF, EPUB, and TXT, performing smart chapter analysis and understanding key themes and context. Users can interact with the AI chat interface to explore specific chapters or topics in depth, enabling efficient learning and discovery without spending hours reading the entire book.

Recall
logo

Recall

0
0
16
0

Recall is a personal knowledge-management & content summarization tool that transforms everything you read, watch, or listen to into a searchable, interactive knowledge base. You save web articles, blogs, YouTube videos, PDFs, podcasts, or Google Docs and turn them into “Recall Cards” which include the original content, AI summaries (concise or detailed), chat-interactions, editable notes, and connections to related content. The system also supports a spaced repetition / active recall workflow so that you can review key ideas over time, helping retention. Recall organizes what you learn automatically using tags and keywords, builds a graph of your saved content (knowledge graph), and provides augmented browsing so related past content resurfaces when you are browsing new material.

Recall
logo

Recall

0
0
16
0

Recall is a personal knowledge-management & content summarization tool that transforms everything you read, watch, or listen to into a searchable, interactive knowledge base. You save web articles, blogs, YouTube videos, PDFs, podcasts, or Google Docs and turn them into “Recall Cards” which include the original content, AI summaries (concise or detailed), chat-interactions, editable notes, and connections to related content. The system also supports a spaced repetition / active recall workflow so that you can review key ideas over time, helping retention. Recall organizes what you learn automatically using tags and keywords, builds a graph of your saved content (knowledge graph), and provides augmented browsing so related past content resurfaces when you are browsing new material.

Recall
logo

Recall

0
0
16
0

Recall is a personal knowledge-management & content summarization tool that transforms everything you read, watch, or listen to into a searchable, interactive knowledge base. You save web articles, blogs, YouTube videos, PDFs, podcasts, or Google Docs and turn them into “Recall Cards” which include the original content, AI summaries (concise or detailed), chat-interactions, editable notes, and connections to related content. The system also supports a spaced repetition / active recall workflow so that you can review key ideas over time, helping retention. Recall organizes what you learn automatically using tags and keywords, builds a graph of your saved content (knowledge graph), and provides augmented browsing so related past content resurfaces when you are browsing new material.

TubeIQ
logo

TubeIQ

0
0
14
1

TubeIQ is an AI-powered platform designed to help YouTube creators grow their channels through data-driven insights and automation. It offers tools for keyword research, video optimization, competitor analysis, and content ideation, aiming to enhance engagement and streamline content creation. Elevate your content strategy, engage your audience, and stay ahead of the curve with our comprehensive resources designed to empower creators.

TubeIQ
logo

TubeIQ

0
0
14
1

TubeIQ is an AI-powered platform designed to help YouTube creators grow their channels through data-driven insights and automation. It offers tools for keyword research, video optimization, competitor analysis, and content ideation, aiming to enhance engagement and streamline content creation. Elevate your content strategy, engage your audience, and stay ahead of the curve with our comprehensive resources designed to empower creators.

TubeIQ
logo

TubeIQ

0
0
14
1

TubeIQ is an AI-powered platform designed to help YouTube creators grow their channels through data-driven insights and automation. It offers tools for keyword research, video optimization, competitor analysis, and content ideation, aiming to enhance engagement and streamline content creation. Elevate your content strategy, engage your audience, and stay ahead of the curve with our comprehensive resources designed to empower creators.

y2doc
logo

y2doc

0
0
25
1

Y2Doc is an AI-powered platform that transforms YouTube videos into structured, searchable documents. By simply pasting a YouTube URL, users can convert video content into various formats such as summaries, transcripts, blog posts, emails, and even podcast scripts. This tool is particularly beneficial for learners, researchers, content creators, and professionals who wish to extract and utilize information from video materials efficiently. :contentReference[oaicite:6]{index=6}

y2doc
logo

y2doc

0
0
25
1

Y2Doc is an AI-powered platform that transforms YouTube videos into structured, searchable documents. By simply pasting a YouTube URL, users can convert video content into various formats such as summaries, transcripts, blog posts, emails, and even podcast scripts. This tool is particularly beneficial for learners, researchers, content creators, and professionals who wish to extract and utilize information from video materials efficiently. :contentReference[oaicite:6]{index=6}

y2doc
logo

y2doc

0
0
25
1

Y2Doc is an AI-powered platform that transforms YouTube videos into structured, searchable documents. By simply pasting a YouTube URL, users can convert video content into various formats such as summaries, transcripts, blog posts, emails, and even podcast scripts. This tool is particularly beneficial for learners, researchers, content creators, and professionals who wish to extract and utilize information from video materials efficiently. :contentReference[oaicite:6]{index=6}

Video Background Remover
0
0
6
1

Video Background Remover is a free, browser-based AI tool that removes and replaces video backgrounds instantly without a green screen or complex software. It detects one or multiple subjects automatically, tracks them across frames, and lets creators apply blur, gradients, textures, or custom backgrounds for clean, professional results. Designed for phones and laptops, it supports MP4, MOV, and WebM, enabling social-ready edits for YouTube, TikTok, Reels, and Shorts. Brands can add logos, colors, and overlays for consistent visuals, while educators can swap cluttered scenes with slides or whiteboards. Edits process online, with Full HD, watermark-free downloads available for a limited time.

Video Background Remover
0
0
6
1

Video Background Remover is a free, browser-based AI tool that removes and replaces video backgrounds instantly without a green screen or complex software. It detects one or multiple subjects automatically, tracks them across frames, and lets creators apply blur, gradients, textures, or custom backgrounds for clean, professional results. Designed for phones and laptops, it supports MP4, MOV, and WebM, enabling social-ready edits for YouTube, TikTok, Reels, and Shorts. Brands can add logos, colors, and overlays for consistent visuals, while educators can swap cluttered scenes with slides or whiteboards. Edits process online, with Full HD, watermark-free downloads available for a limited time.

Video Background Remover
0
0
6
1

Video Background Remover is a free, browser-based AI tool that removes and replaces video backgrounds instantly without a green screen or complex software. It detects one or multiple subjects automatically, tracks them across frames, and lets creators apply blur, gradients, textures, or custom backgrounds for clean, professional results. Designed for phones and laptops, it supports MP4, MOV, and WebM, enabling social-ready edits for YouTube, TikTok, Reels, and Shorts. Brands can add logos, colors, and overlays for consistent visuals, while educators can swap cluttered scenes with slides or whiteboards. Edits process online, with Full HD, watermark-free downloads available for a limited time.

TextWisely
logo

TextWisely

0
0
13
0

TextWisely is an AI writing assistant built specifically for macOS, designed to enhance productivity by integrating intelligent writing features directly into the user’s workflow. It enables users to fix grammar, reply to emails, summarize text, change tone, and perform inline edits without leaving the macOS app they’re working in. The tool aims to eliminate tab-switching, reduce context loss, and streamline writing tasks by offering quick actions via shortcuts and smart editing capabilities.

TextWisely
logo

TextWisely

0
0
13
0

TextWisely is an AI writing assistant built specifically for macOS, designed to enhance productivity by integrating intelligent writing features directly into the user’s workflow. It enables users to fix grammar, reply to emails, summarize text, change tone, and perform inline edits without leaving the macOS app they’re working in. The tool aims to eliminate tab-switching, reduce context loss, and streamline writing tasks by offering quick actions via shortcuts and smart editing capabilities.

TextWisely
logo

TextWisely

0
0
13
0

TextWisely is an AI writing assistant built specifically for macOS, designed to enhance productivity by integrating intelligent writing features directly into the user’s workflow. It enables users to fix grammar, reply to emails, summarize text, change tone, and perform inline edits without leaving the macOS app they’re working in. The tool aims to eliminate tab-switching, reduce context loss, and streamline writing tasks by offering quick actions via shortcuts and smart editing capabilities.

VigiVideo
logo

VigiVideo

0
0
15
0

VigiVideo is an AI-powered video creation and editing platform that automates the process of turning raw clips or text scripts into polished, engaging videos. Designed for marketers, content creators, and social media professionals, it offers tools for automated scene selection, captioning, transitions, and background music matching. The platform’s intelligent editing engine detects pacing, tone, and emotion to generate visually cohesive content optimized for platforms like YouTube, TikTok, and Instagram. VigiVideo aims to make high-quality video production accessible to everyone, removing the need for complex editing software or technical expertise.

VigiVideo
logo

VigiVideo

0
0
15
0

VigiVideo is an AI-powered video creation and editing platform that automates the process of turning raw clips or text scripts into polished, engaging videos. Designed for marketers, content creators, and social media professionals, it offers tools for automated scene selection, captioning, transitions, and background music matching. The platform’s intelligent editing engine detects pacing, tone, and emotion to generate visually cohesive content optimized for platforms like YouTube, TikTok, and Instagram. VigiVideo aims to make high-quality video production accessible to everyone, removing the need for complex editing software or technical expertise.

VigiVideo
logo

VigiVideo

0
0
15
0

VigiVideo is an AI-powered video creation and editing platform that automates the process of turning raw clips or text scripts into polished, engaging videos. Designed for marketers, content creators, and social media professionals, it offers tools for automated scene selection, captioning, transitions, and background music matching. The platform’s intelligent editing engine detects pacing, tone, and emotion to generate visually cohesive content optimized for platforms like YouTube, TikTok, and Instagram. VigiVideo aims to make high-quality video production accessible to everyone, removing the need for complex editing software or technical expertise.

NoteGPT
logo

NoteGPT

0
0
25
4

NoteGPT is an all-in-one AI learning assistant designed to enhance studying, research, teaching, and professional work through advanced AI-powered summarization, chat, and writing tools. It helps users quickly summarize YouTube videos and playlists, extract key points from PDFs while preserving original layouts, and convert between different document formats such as PDF, Word, Markdown, Image, and Excel. With built-in math problem solving, formula calculators, and AI-driven writing assistance, NoteGPT supports students, educators, researchers, professionals, and creators to study smarter, generate notes, prepare presentations, and create content effortlessly.

NoteGPT
logo

NoteGPT

0
0
25
4

NoteGPT is an all-in-one AI learning assistant designed to enhance studying, research, teaching, and professional work through advanced AI-powered summarization, chat, and writing tools. It helps users quickly summarize YouTube videos and playlists, extract key points from PDFs while preserving original layouts, and convert between different document formats such as PDF, Word, Markdown, Image, and Excel. With built-in math problem solving, formula calculators, and AI-driven writing assistance, NoteGPT supports students, educators, researchers, professionals, and creators to study smarter, generate notes, prepare presentations, and create content effortlessly.

NoteGPT
logo

NoteGPT

0
0
25
4

NoteGPT is an all-in-one AI learning assistant designed to enhance studying, research, teaching, and professional work through advanced AI-powered summarization, chat, and writing tools. It helps users quickly summarize YouTube videos and playlists, extract key points from PDFs while preserving original layouts, and convert between different document formats such as PDF, Word, Markdown, Image, and Excel. With built-in math problem solving, formula calculators, and AI-driven writing assistance, NoteGPT supports students, educators, researchers, professionals, and creators to study smarter, generate notes, prepare presentations, and create content effortlessly.

RecCloud AI
logo

RecCloud AI

0
0
11
1

RecCloud is an AI-powered audio and video platform that simplifies media creation and editing with an integrated toolkit for speech-to-text, subtitles, text-to-speech, summarization, and video generation. It transforms spoken audio into accurate, polished transcripts, automatically generates and translates subtitles, and converts text into natural-sounding voices in multiple languages. Users can summarize long lectures, YouTube videos, and presentations into concise highlights, or turn text prompts directly into complete videos. Designed for students, educators, creators, and marketers, RecCloud focuses on boosting efficiency, accessibility, and creativity while keeping everything easy to use and free to start.

RecCloud AI
logo

RecCloud AI

0
0
11
1

RecCloud is an AI-powered audio and video platform that simplifies media creation and editing with an integrated toolkit for speech-to-text, subtitles, text-to-speech, summarization, and video generation. It transforms spoken audio into accurate, polished transcripts, automatically generates and translates subtitles, and converts text into natural-sounding voices in multiple languages. Users can summarize long lectures, YouTube videos, and presentations into concise highlights, or turn text prompts directly into complete videos. Designed for students, educators, creators, and marketers, RecCloud focuses on boosting efficiency, accessibility, and creativity while keeping everything easy to use and free to start.

RecCloud AI
logo

RecCloud AI

0
0
11
1

RecCloud is an AI-powered audio and video platform that simplifies media creation and editing with an integrated toolkit for speech-to-text, subtitles, text-to-speech, summarization, and video generation. It transforms spoken audio into accurate, polished transcripts, automatically generates and translates subtitles, and converts text into natural-sounding voices in multiple languages. Users can summarize long lectures, YouTube videos, and presentations into concise highlights, or turn text prompts directly into complete videos. Designed for students, educators, creators, and marketers, RecCloud focuses on boosting efficiency, accessibility, and creativity while keeping everything easy to use and free to start.

Editorial Note

This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.

If you have any suggestions or questions, email us at hello@aitoolbook.ai