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Categorizes YouTube videos by topic and hides ones you don't want to see, using keyword matching on titles and channel names. YouTube Topic Blocker lets you decide what kind of videos you never want to see. Pick from 7 built-in topics — Politics, Gaming, Breaking News, Sports, Music Videos, Drama/Prank, and True Crime — or create your own custom topics with comma-separated keywords. Matching videos are hidden from your home feed, search results, Shorts, and recommendations. If you open a blocked video directly, playback is stopped and replaced with a block screen (with a "Show anyway" override). Everything runs 100% locally in your browser using simple keyword matching on titles and channel names — no account, no API keys, and no data ever leaves your machine.
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.