5 items
One-click AI summaries, timestamped chapters, comment digests and transcripts for any YouTube video. a clean panel to any YouTube watch page and turns the video into something you can read in seconds. Four ways to digest any video: • Insights: the key points, grouped by theme. Stop scrubbing through a two-hour video to find the • Insights: the key points, grouped by theme. Stop scrubbing through a two-hour video to find the one thing you needed. • Chapters: an auto-generated, timestamped outline. Click any timestamp to jump straight there. • Comments: a digest of the comment section, so you get the crowd's take without scrolling. • Transcript: the full, searchable transcript with clickable timestamps. How it works usum reads the captions that already exist on the video. No audio is uploaded, nothing is downloaded. Open a video, open the panel, pick a mode. Privacy first Transcripts are sent to our backend only to produce your summary, then discarded. Nothing is stored, nothing is sold, nothing is used to train models, and nothing is tied to your Google account. An anonymous device id keeps your settings and usage count. usum does one job: summarizing the YouTube video you are watching.
Aug 8, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.