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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
SiteBlock
Stay focused and eliminate distractions with this simple site blocker extension! Easily block any website by adding keywords like “social media” or “news” — the extension will automatically block matching sites when you try to visit them. Enjoy unlimited site blocking, a convenient right-click menu option, and effortless control over your browsing habits. Take back your time and boost your productivity — install the extension today!
Block Site
A customizable, password-protected website blocker and redirector. *** Block Site is now on the safer manifest v3. Please report the compatibility bugs you are experiencing. You can export the current rules to a JSON file and send it to me to investigate. *** This extension will block access to websites of your choosing. A master password controls all customization options, as well as access to any blocked site. It's also possible to redirect navigation from one specific website to another. Features: 1. Block unwanted domains. 2. Prevent access to a range of websites using wildcard matching or regular expression matching. 3. Reverse mode allows access to only some hostnames and blocks access to all others. 4. Custom redirection; you can redirect a single blocked hostname to a new destination. 5. Display a custom message on blocked pages. 6. Time and date-based blocking. Only block access to the websites at specified times and dates. This feature can be configured per hostname. 7. Protect data leakage. This extension prevents certain hostnames from gathering network activity from your computer since blocking occurs before any network request is emitted to the server. 8. Auto-closes blocked tabs after some time. 10. Closes annoying pop-ups as soon as the opening request is received. 11. Pause and resume blocking from the right-click context menu of the toolbar button. 12. Support overwriting configurations by managed storage 13. Block cached page load with service worker 14. Block dynamic page change with history push method For the FAQs and general feature suggestions please use: https://webextension.org/listing/block-site.html For technical bug reports use: https://github.com/ray-lothian/Block-Site/issues
Website Blocker
Easily block an unlimited number of websites using this free browser extension. Why install this browser extension? 🚫 Easily block as many websites as you want. 📚 Boost your productivity, avoid distractions, stop procrastination and stay focused. ⏲️ See how long each website has been blocked for. This feature motivates you to keep websites blocked. Once you unblock a website the timer is reset to zero. Challenge yourself to see how long you can go! 🔒 The only permission needed is 'Block content on any page you visit'. That's it. This means that you can be reassured that your privacy and security is protected. No user data is collected. How To Use: 1) Click on the extension icon to bring up the popup window. 2) In the popup window, click the link to go to the settings page. 3) In the text field, enter the URL of a website (e.g. example.com) that you want to block and then press add. 4) Your browser will then be blocked from visiting that website. This includes embeds. 5) To unblock a website, click on the trash can icon for that website. Note: The text that you enter in order to block a website is used as a URL filter. This means that any URL containing that text is blocked. For example, both "example.com" and "ple.com" will block the browser from visiting the URL "http://example.com/". If you like this extension, a rating would be very much appreciated. 😊
ScheduleBlock
Allows you to block any set of websites on a schedule or based on a timer. Allows you to block independently both opening new tabs and using old tabs (independently for each day of the week). Allows you to block sites after amount of time is spent. By default uses gray color scheme to save your eyes in the night. Reliable, without spying, ads or microtransactions. Fully open source, therefore open to both code inspections and great new ideas. Perfect for improving your concentration when you need it. If there are features you would like to see added, be sure to mention them in a review or on project's GitHub page.
