JustBlock – Free Ad Blocker & Browser Security

Block intrusive ads and popups, reduce common trackers and browse with more control. Free core protection.

# 🛡️ JUSTBLOCK — BLOCK ADS. BROWSE SAFER. **Free Ad Blocker, Popup Blocker & Browser Privacy Protection** Enjoy cleaner, quieter and safer browsing with JustBlock — your all-in-one browser protection and ad blocking companion. Block intrusive ads, stop unwanted popups, reduce common trackers and take greater control of your online privacy. More than a traditional ad blocker, JustBlock combines everyday browser protection with advanced popup blocking, privacy features and practical security tools. ✅ Free ad blocking and popup protection. ✅ No account required for core protection. ✅ Continuous core blocking without time limits. ✅ Advanced browser protection with JustBlock Pro. 🎁 **Try JustBlock Pro FREE for 5 days. No credit card required.** ## ✅ FREE BROWSER PROTECTION Essential protection that stays free. ### 🚫 AD BLOCKER & POPUP BLOCKER Browse with fewer advertisements and unwanted interruptions. - Block many intrusive ads and advertising requests. - Stop unwanted automatic popups and pop-unders. - Reduce interruptions from known popup advertising networks. - Allow legitimate user-initiated windows for logins and payments. - Pause protection or allow trusted websites whenever needed. - Keep core blocking active without daily usage limits. JustBlock uses built-in filtering rules. Effectiveness varies by website, and no ad blocker catches everything. ### 🔒 TRACKER & CRYPTOMINER BLOCKING Reduce common tracking and unwanted background activity. - Block listed email-tracking pixels. - Reduce selected social media and advertising trackers. - Block known cryptomining scripts and domains. - Reduce unnecessary network requests. - Browse with fewer common tracking interruptions. ### 🔗 LINK CLEANUP & PRIVACY CONTROLS Enjoy more control over your browsing experience. - Remove common URL tracking parameters, including utm, fbclid and gclid. - Clean tracking links manually with one click. - Add websites to your trusted list. - Pause and resume protection easily. - View recent protection activity stored locally. - Enable optional filtering lists for selected scam domains, clickbait and unwanted content. **All core protection features remain FREE. No subscription required.** ## ⭐ JUSTBLOCK PRO — ADVANCED BROWSER PROTECTION Want even more control, fewer distractions and additional browser protection? JustBlock Pro brings together advanced popup cleanup, browser utilities, scam warnings and privacy features in one convenient upgrade. 🎁 **Unlock all Pro features with a FREE 5-day trial.** ### ✨ ADVANCED POPUP BLOCKER Go beyond traditional ad blocking. Automatically hide selected distracting page elements on supported websites. ✓ Cookie notice cleanup. ✓ Newsletter signup overlays. ✓ Promotional popups and sticky offers. ✓ Floating chat widgets. ✓ Floating video panels. ✓ Custom page element blocking. ✓ Saved cleanup preferences. Undo changes or pause cleanup whenever needed. Hiding cookie notices does not automatically accept or reject cookies. ### 🧰 BROWSER TOOLS Practical tools for a more controlled browsing experience. ✓ Parental filtering — restrict access to selected adult-content domains. ✓ PIN website lock — add an optional PIN screen to supported webpages. ✓ Email Protector — inspect public email-domain security settings. Website PIN protection applies to supported webpages and does not lock the Chrome browser itself. ### 📧 EMAIL PROTECTOR Understand how your email domain is configured to help protect against spoofing. ✓ MX records — check incoming email routing. ✓ SPF records — inspect published sender authorization policies. ✓ DMARC records — review published anti-spoofing policies. ✓ Easy-to-understand explanations of the results. Email Protector checks publicly available DNS records. It does not access your inbox, detect email data breaches or guarantee protection against phishing. ### 🚨 SCAM POPUP WARNINGS Get additional warnings about certain suspicious webpage alerts. ✓ Recognize selected fake-virus warning patterns. ✓ Identify certain technical-support scam messages. ✓ Highlight suspicious messages urging you to call support numbers. ✓ Review warnings before hiding flagged content. Detection uses visible webpage patterns and runs locally. It is not antivirus software or comprehensive phishing protection. ### 🎯 FOCUS MODE Stay productive with fewer online distractions. ✓ Start timed focus sessions. ✓ Create weekly focus schedules. ✓ Hide selected YouTube Shorts and recommendations. ✓ Reduce distracting feeds and comments. ✓ Customize controls for supported YouTube, LinkedIn and Reddit pages. Keep the websites you need accessible while reducing distractions. ### 🔐 PRIVACY MASKS & REDACTED SCREENSHOTS Keep selected information out of shared screenshots. ✓ Manually select sensitive areas on webpages. ✓ Cover selected areas using privacy masks. ✓ Capture screenshots with selected areas redacted. ✓ Preview screenshots before saving. ✓ Manage or remove saved privacy masks. Privacy masks visually hide selected information. They do not delete the underlying webpage content or automatically identify sensitive data. ## 💎 FREE PROTECTION. MORE WITH JUSTBLOCK PRO. **JUSTBLOCK FREE — ALWAYS FREE** ✓ Ad blocking. ✓ Standard popup protection. ✓ Tracker filtering. ✓ Link cleanup. ✓ Trusted-site controls. ✓ Optional filtering lists. ✓ Core protection without daily usage limits. **JUSTBLOCK PRO — UNLOCK MORE** ✓ Everything in JustBlock Free. ✓ Advanced Popup Blocker. ✓ Browser Tools. ✓ Email Protector. ✓ Scam Popup Warnings. ✓ Focus Mode. ✓ Parental filtering and website PIN tools. ✓ Privacy Masks. ✓ Redacted Screenshots. ✓ Custom page cleanup. ### 🎁 TRY JUSTBLOCK PRO FREE FOR 5 DAYS Experience the additional protection tools before deciding whether to subscribe. - No credit card required to start. - No automatic charge when your trial ends. - Your free core protection continues after the trial. - Upgrade only if you want to keep using Pro features. **JustBlock Pro — $39.99/year** Equivalent to approximately $3.33/month, billed annually. Paid subscriptions automatically renew unless cancelled. No monthly subscription is offered. ## 🔒 PRIVACY & TRANSPARENCY JustBlock is designed to provide useful browser protection without unnecessary complexity. - Core ad and tracker filtering operates locally in your browser. - No account required for free protection. - JustBlock does not request Chrome's browsingData permission. - Recent protection activity and cleanup preferences are stored locally. - Email Protector queries publicly available DNS records using the domain being checked. - Page content is not sent to the subscription billing service. - Payment and subscription services process information needed for billing and premium access. ## ⚠️ IMPORTANT INFORMATION JustBlock is a browser protection and ad blocking extension, not antivirus software. It does not scan downloaded files, remove malware, detect every phishing attempt or guarantee complete protection against online threats. Popup blocking, scam warnings, website filtering and cleanup effectiveness depend on supported websites, available rules and browser limitations. ## 🚀 INSTALL JUSTBLOCK TODAY 🚫 Block intrusive ads. 🛡️ Stop unwanted popups. 🔒 Reduce common trackers. ✨ Enjoy cleaner websites. 🧰 Unlock additional browser protection tools. 🎁 Try advanced protection free for 5 days. **JustBlock — Block ads. Browse safer.** Start with free browser protection. Upgrade only when you want more. Questions or feedback? support@justblock.org Privacy policy: https://justblock.org/privacy/ Website: https://justblock.org