7 Best AI YouTube Videos Summarizers in 2023 (FREE)

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YouTube has become an invaluable source of information, entertainment, and educational content. However, with the vast amount of videos available, it can be time-consuming to watch them in their entirety.

Thankfully, advancements in artificial intelligence have led to the development of tools that can automatically summarize YouTube videos, extracting the essential points and main ideas. Let’s take a closer look at the best 7 AI YouTube videos summarizers.

#1 Eightify

Eightify is an AI-powered service that specializes in generating summaries for YouTube videos. It aims to condense lengthy videos into concise summaries consisting of eight key ideas.

This approach allows users to quickly determine if a video is worth watching, making it particularly suitable for various purposes such as business education, podcasts, interviews, news, and lectures.

Eightify ai youtube video summarizer


  • AI Summarization, Eightify employs advanced natural language processing (NLP) techniques to extract the most important ideas from YouTube videos and generate summaries.
  • Contextual Understanding. the AI algorithm employed by Eighty aims to comprehend the content contextually, ensuring that the generated summaries capture the intended meaning accurately.
  • Eightify can work with a wide range of YouTube videos across different genres and topics, making it versatile for various content types.
  • It indicate timestamps and you can ship to your preferred part


  1. Install the Chrome extension
  2. Open a video on YouTube.
  3. Locate the extension’s button/icon next to the like and dislike buttons.
  4. Click on the “Summarize” button provided by the extension.
  5. Wait for the extension to generate the video summary.
  6. Review the summarized key points and timestamps.


  • Time Efficiency: Eighty allows users to efficiently evaluate whether a video is worth watching, helping them avoid spending time on content that may not align with their interests or needs.
  • Concise summaries provided by Eighty make it convenient for busy professionals, students, or anyone seeking quick access to essential information.
  • Easy to use and it summarizes videos without having to copy a link and paste it like other websites


  • Only available in the English language
  • Subjective selection: the AI algorithm used by Eightify determines the key ideas based on its understanding of the video, which may not always align perfectly with individual preferences or expectations.
  • Limited depth: AI summaries are designed to provide an overview rather than a comprehensive analysis of the video content. Users seeking in-depth knowledge may find that the summaries do not fulfill their requirements.

#2 Glarity

Glarity is an innovative AI software that harnesses the power of ChatGPT, a cutting-edge language model developed by OpenAI, to provide users with the ability to summarize YouTube videos effortlessly.

With Glarity, users can access concise and coherent summaries of YouTube videos, enabling them to quickly grasp the main points and key takeaways without having to watch the entire video.

Glarity ai youtube video summarizer


  • Collaboration with ChatGPT ai make to effectively summarise youtube videos
  • The extension is available for popular browsers like Chrome, Edge, Safari, Firefox, and Opera.
  • Support various websites such as Yahoo! ニュース, PubMed, PMC, NewsPicks, Github, Nikkei, Bing, and Google Patents, providing summaries for any page.


  1. Install the extension from the browser store.
  2. Enable the extension in the browser settings.
  3. Conduct a Google search.
  4. View the ChatGPT recap next to each search result.
  5. Watch a YouTube video.
  6. Access the ChatGPT recap alongside the video.


  • Time-saving: Glarity summary helps users quickly grasp the main points of YouTube videos, Google searches, and other supported webpages without needing to watch or read the entire content.
  • Efficient research, by providing summaries for various websites, the extension accelerates the research process, allowing users to gather information from multiple sources more efficiently.
  • Easy to set up and does not require subscriptions or signing in


  • Potential inaccuracies, as with any AI-generated content, there is a possibility of occasional inaccuracies or misinterpretations in the summaries provided by ChatGPT. Users should be mindful of this and exercise critical thinking when relying on the generated summaries.
  • Limited customization, the extension may not offer extensive customization options, such as adjusting the level of summarization or selecting specific sections of a webpage to summarize.

#3 YouTube Summarizer

YouTube Summarizer employs sophisticated AI algorithms to create extensive summaries of YouTube videos. It emphasizes critical points and essential information, enabling users to promptly comprehend the content of the video.

By utilizing YouTube Summarizer, you can swiftly grasp the context and key concepts of the video you are viewing.

youtube video summarizer ai


  • Provide both short and long summary side by side
  • Ability to customize the size of the summary


  1. Access the YouTube Summarizer platform.
  2. Enter the YouTube video URL.
  3. Wait for the AI-generated summary.
  4. Review and analyze the summary.


  • Swift Comprehension YouTube Summarizer enables users to swiftly grasp the main points and key concepts of a video.
  • Efficient information extraction
  • User-friendly interface
  • Services are provided for free


  • They should indicate the number of words to expect from large and small videos

#4 Glasp

Glasp Chrome Extension is a tool designed to simplify the process of highlighting text and leaving notes on the web. It offers features that make it easier to collect and organize content across multiple devices.

Glasp youtube video summarizer ai


  • Highlight text on the web
  • Take notes on saved content and highlights
  • Add tags to your highlights


  1. Click “Add to Chrome” to install the Glasp Chrome Extension.
  2. Log in to Glasp from the extension menu.
  3. Select text and choose a color from the pop-up color tip to highlight it.
  4. Access your highlights and notes on your profile page or the Glasp home feed.
  5. Add tags or leave comments on your saved content.


  • Retain more information and easy to look back.
  • Extract only important parts for future citation.
  • Discover useful information from like-minded people.
  • Share highlights and notes with friends and peers easily.


  • Little information available to guide you through the whole process.

#5 YouTube Digest

YouTube Digest is a Chrome extension that utilizes ChatGPT AI to generate summaries for YouTube videos. It serves as a useful productivity tool by providing video summaries, allowing users to save time and make informed decisions about which videos to watch.

YouTube Digest summarize YouTube video using AI


  • Generates summaries for YouTube videos using ChatGPT AI.
  • Offers different summary formats such as single paragraph (tl;dr;), bullet points, layered bullet points with video chapters, and article-style.
  • Supports summarization from any language to any other language.
  • Allows exporting summaries as PDF, DOCX, or plain text files.


  1. Install the YouTube Digest Chrome extension.
  2. Login or create a ChatGPT account.
  3. Specify the desired summary format.
  4. Request a summary for a YouTube video.
  5. Export the generated summary in the preferred format.


  • Saves time by providing video summaries before watching.
  • Customizable summary formats cater to individual preferences.
  • Easy to use and free from ads compared to other websites


  • Requires a ChatGPT account, which may limit accessibility.
  • Summaries’ quality depends on the accuracy of ChatGPT AI.

#6 Summarify

Summarify is an AI-powered tool that automatically generates summaries of YouTube videos. It extracts key points, essential information, and main ideas, enabling users to obtain a concise overview of the content.

Summarify AI YouTube video summarizer app


  • AI-Generated Video Summaries: Summarify utilizes advanced algorithms to generate concise summaries of YouTube videos.
  • Extraction of Key Points: The tool focuses on extracting the key points, essential information, and main ideas from the videos.


  1. Install and launch the Summarify app from your device’s app store.
  2. Log in with your existing account or create a new Summarify account.
  3. Access the video search feature within the app.
  4. Create custom summaries by selecting specific sections of the video.
  5. Download video transcripts and export text summaries


  • Time-saving,
  • Easy navigation: Video timestamps let you effortlessly navigate through the video and dive deeper into specific sections.
  • Summarify provides the option to download video transcripts in multiple formats, allowing easy access and reference.


  • Work only on apple devices

#7 Summarize.tech

Summarize.tech is a simple and free online tool that allows users to summarize long AI videos quickly and efficiently.

summarize tech ai youtube video summarizer



  • Ability to summarize long YouTube videos into five minutes summary
  • Ability to summarize other online videos


  1. Copy the URL of the AI video that you want to summarize.
  2. Go to summarize.tech, the website specifically Locate the prompt box on the website.
  3. Paste the URL of the video into the prompt box.
  4. Click the “submit” button to initiate the summarization process.
  5. To access the detailed summaries of each section, you can click the “see more” option.


  • Time-efficient, Summarizing long videos can be a time-consuming task, but with this tool, you can obtain an overview of the content in under a minute.
  • Free and accessible without signing in or using extensions.
  • No ads, user friendly interface


  • Dependency on URL, the tool requires the video’s URL to generate the summary, so if the video is not available online or the URL is inaccessible, the tool cannot be used.


Can these tools summarize videos in languages other than English?

While some tools may currently support only the English language, it’s worth exploring each tool individually as language support can vary.

How accurate are the video summaries generated by these tools?

The accuracy of the video summaries may vary depending on the tool and the complexity of the content. It’s recommended to review and modify the summaries as needed for the best results.

Do these tools have any duration constraints?

Most of these tools do not impose duration constraints, allowing you to summarize videos of any length. However, it’s advisable to check the specific limitations of each tool.


In conclusion, these AI-powered tools provide efficient solutions for summarizing YouTube videos. By utilizing advanced algorithms and artificial intelligence, they extract key points, highlights, and essential information, enabling users to save time and obtain a quick overview of the content.

Whether you need to catch up on important information or quickly understand the main ideas of lengthy videos, these tools can significantly enhance your YouTube viewing experience.

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