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Block distracting websites, URL keywords, and nine website categories. Stay focused with a free block list and no site cap. Make more room for work, study, and the things you want to focus on. SheerBlock helps you reduce distractions in Chrome by blocking websites you choose, URLs containing specific keywords, and preset website categories. It’s free, with no cap on the number of websites you can add to your custom block list. BLOCK WEBSITES IN ONE CLICK Add the website you’re visiting directly from the extension popup. Website blocking covers the domain and its subdomains. Manage or remove your saved websites through the settings dashboard. BLOCK URL KEYWORDS Add a single-word keyword to block URLs containing it, including search queries. Matching is case-insensitive and checks the URL—not the text on the page. CHOOSE FROM NINE CATEGORIES Turn on preset lists for Social, Adult, News, Shopping, Gambling, Sports, Games, Finance, and Media. Each category blocks the websites in its catalog. Category selections apply to your current Chrome profile. STAY IN CONTROL Pause all blocking and resume whenever you’re ready. Your saved list and category selections stay in place. You can also turn custom-list blocking off while keeping selected categories active. SIMPLE SETUP Sign in with Google, add websites or keywords, and choose the categories you want to block. Use the dashboard to manage your custom list. PRIVACY SheerBlock does not collect your browsing history or record which pages you visit. Your custom block list is saved through an online service linked to your account. INCOGNITO SUPPORT To use SheerBlock in Incognito, open chrome://extensions, select SheerBlock, and enable “Allow in Incognito.”
Oct 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.