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Ytsum: Summarize YouTube Videos

Magille Oy
5.0(

2 ratings

)
ExtensionTools106 users
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Overview

Summarize YouTube Videos. Get direct links to key points in the video.

Easily and automatically summarize YouTube videos. Bring your own Claude API key, which you can get from https://platform.claude.com In addition to summaries, this extension gives you: - Direct answers to the promises made in video titles and often in the first few seconds to keep you hooked - Direct timestamped links to key points in the video so can get to the actual meaningful stuff faster - Spam, trust, and relevance scores to help gauge if a video is actually worth your time to watch - A copy button to get the full transcript in one click. You can then paste and analyze it in any tool you'd like. Setup instructions: - Click the extension icon in Chrome's toolbar next to the address field, then click Ytsum - Enter your API key (get it from https://platform.claude.com), and agree to terms - Extension will add a box below the video on youtube video page Version history 1.7.0 - Fixed transcript extraction since the youtube DOM keeps changing. Added heuristics that should work a little more reliably on various versions of the interface. As always, if you notice anything wrong, do let us know. 1.6.0 - Updated model selection, with a custom option so you can type in the Anthropic model you want to use when they release new ones - Fixed bugs and made to work with the new transcript box that is being A/B tested currently - Option to cache transcripts & analyses locally

Details

  • Version
    1.7.0
  • Updated
    April 12, 2026
  • Size
    76.75KiB
  • Languages
    English
  • Developer
    Magille Oy
    PO Box 1385 HELSINKI 00101 FI
    Website
    Email
    hi@ytsum.io
    Phone
    +358 50 4367339
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    539862202

Privacy

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This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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