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Filters YouTube videos based on specific keywords to prevent spoilers. Don't let spoilers ruin your favorite movies, games, or shows! YouTube Spoiler Blocker is a lightweight and powerful tool designed to keep your YouTube experience clean. Whether you are avoiding leaks for the next big blockbuster, a new game release, or a TV show finale, this extension has you covered. Key Features: Custom Keyword Filtering: Easily add any word or phrase (e.g., "Invincible", "Spider-Man", "Ending") to your blocklist. Total Coverage: Automatically hides video thumbnails and titles on the Home feed, Search results, and Sidebar. Shorts Support: Unlike other blockers, we fully support YouTube Shorts, covering spoiler-heavy vertical clips. Smart Matching: Our algorithm uses strict word boundaries to prevent "false positives" (e.g., blocking "war" won't accidentally block "software"). Click to Reveal: Need to see a specific video? One click on the warning overlay safely reveals the content without refreshing the page. Privacy First: Your blocked keywords are stored locally in your browser. We never collect or track your browsing data. How to use: Click the extension icon in your toolbar. Type a keyword and press Add. Refresh YouTube (or just keep scrolling), and any matching video will be hidden behind a solid black protective shield. Support the Developer: If this tool helped you stay spoiler-free, please consider supporting my work via the Ko-fi link inside the extension! ☕
May 15, 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.