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An efficient content blocker. Blocks ads, trackers, miners, and more immediately upon installation. An simple content blocker, *in Material You style*. Blocks ads, trackers, miners, and more immediately upon installation. A fork of uBO Lite (uBOL), youBlock is an efficient *MV3-based* content blocker, meaning it supports latest versions of Chrome. You can enable rulesets and options by visiting the options page -- click the _Cogs_ icon in the popup panel. youBlock is entirely declarative, meaning there is no need for a permanent youBlock process for the filtering to occur, and CSS/JS injection-based content filtering is performed reliably by the browser itself rather than by the extension. This means that uBOL itself does not consume CPU/memory resources while content blocking is ongoing -- youBlock's service worker process is required _only_ when you interact with the popup panel or the option pages.
Feb 13, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
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Whether the listing includes at least one video.
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Declared language locales.
Developer website
Listing exposes a developer website URL.
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Listing exposes a contact email.
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Case-insensitive substring match in the name.
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Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
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