SiteBlocker — Block Distracting Websites & Stay Focused

Block distracting websites and track your screen time. Focus timer, scheduled blocking, browsing insights. Privacy-first.

You opened YouTube "just for a second" — and lost an hour. Again. SiteBlocker puts you back in control. Block distracting websites, track where your time goes, and build real focus habits. Over 2,000 users on Chrome and Firefox. BLOCK DISTRACTING SITES Add any site to your blocklist with one click. Right-click a page to block it instantly. Create separate lists for work, study, and personal time. SCHEDULED BLOCKING Block social media from 9 to 5. Block gaming sites during study hours. Set the schedule once — it runs automatically every day. FOCUS MODE Start a timed focus session when you need to lock in. Choose 25m, 45m, 1h, or 2h. Built-in Pomodoro cycles with break timers. Soft mode lets you quit early. Hard mode doesn't. BROWSING INSIGHTS See exactly where your time goes. Screen time per site, daily trends, top visited sites — with favicons so you can spot the time sinks instantly. All data stays on your device. WHITELIST MODE Nuclear option: block the entire internet except sites you approve. KEYWORD BLOCKING (PRO) Block any page containing words like "gambling," "betting," or "clickbait" — in the URL, title, or page content. Catches distractions you didn't plan for. MORE - Sync blocklists across Chrome and Firefox - Dark mode - Password-protected blocklists - Motivational quotes on the blocker page - 9 languages: English, Spanish, French, German, Japanese, Korean, Portuguese, Romanian FREE FOREVER All blocking features. No limits. No trial. No credit card. Pro unlocks keyword blocking and the full insights dashboard: $2.99/mo · $24.99/yr · $49.99 lifetime