Last updated 07-24-2026
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Noiz
Noiz is a YouTube video summarizer built by the team behind Eightify. Install the Chrome extension, open any YouTube video, and click Summarize to get key ideas, timestamped breakdowns, or full transcripts without watching the whole thing.
The tool handles videos up to 12 hours long and works on podcasts and other YouTube audio content. Summaries can be brief or detailed, formatted as lists or Q&A, and generated in 41 languages. Noiz also offers a library of free web tools for summarizing PDFs, articles, research papers, and other documents.
Over 500,000 users rely on Noiz for faster learning, research, and content creation. Mobile apps for iOS and Android let you summarize on the go, and the site itself is available in 11 interface languages.
Pull key ideas from any YouTube video as a list or Q&A, brief or detailed
Generate timestamped summaries in 41 languages without leaving YouTube
Convert any YouTube video into readable text transcripts
Process videos up to 12 hours long, including podcasts and lectures
Access free summarizers for PDFs, articles, research papers, and web pages
One-click summaries directly on YouTube without switching tabs.
Supports 41 languages and videos up to 12 hours long.
Free web tools for summarizing PDFs, articles, and research papers.
Chrome extension plus iOS and Android apps for mobile use.
Pricing details are not published on noiz.io; paid plans require installing the extension.
Focused on YouTube; does not summarize videos from other platforms.
Core summarizer requires a browser extension or mobile app install.
How do I install the Noiz YouTube video summarizer?
Click the Install button on noiz.io to open the Chrome Web Store, then select Add to Chrome. The extension is ready to summarize videos in seconds.
How do I summarize a YouTube video with Noiz?
Navigate to any YouTube video and click the Summarize video button. Noiz instantly generates a concise summary of the video content.
Is Noiz available on mobile?
Yes. Noiz offers iOS and Android apps so you can generate video summaries on the go.
Can Noiz summarize podcasts on YouTube?
Yes. Noiz works with any YouTube content, including podcasts and other audio-focused videos.
Does Noiz support non-English videos?
Yes. Noiz can summarize YouTube videos in 41 languages.
What is the longest video Noiz can process?
Noiz handles videos up to 12 hours long, from short clips to full multi-hour courses.