# Digital Shield: Tab Suspender & Tracker Blocker > Auto-suspend idle tabs to free 2-4 GB of RAM and speed up a slow Firefox. Blocks third-party trackers, malware and breach risks. Free, no sign-up, no account. A modern, safe Great Suspender alternative. Canonical page: [https://chrome-stats.com/d/digital-shield](https://chrome-stats.com/d/digital-shield) ## Overview - **ID:** `digital-shield` - **Platform:** Firefox - **Type:** Firefox add-on - **Status:** Available - **Publisher:** Digital Shields - Tech - **Category:** privacy-security,tabs - **Daily users:** 13 - **Weekly downloads:** 3 - **Version:** 18.9.5 - **Last updated:** 2026-09-09 - **First published:** 2025-07-08 - **Size:** 5.25 MB - **Data as of:** 2026-09-15 - **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/digital-shield/) - **Privacy policy:** [https://addons.mozilla.org/firefox/addon/digital-shield/privacy/](https://addons.mozilla.org/firefox/addon/digital-shield/privacy/) ## Description Digital Shield is a free tracker blocker, tab suspender and Browser memory saver - all in one lightweight Manifest V3 extension. Free up RAM when Browser is slow, block third-party trackers, malware and phishing, check email data breaches, and keep your family safe with built-in parental controls. Too many tabs slowing Browser down? Being tracked on every website you visit? Digital Shield fixes both - in one click. ⚡ SPEED BOOST - TAB SUSPENDER & MEMORY SAVER (FREE UP RAM) Browser slow or using too much memory? Digital Shield shows you exactly which tabs are eating your RAM - then frees that memory automatically, or in one click. 🌙 AUTO TAB SUSPENDER (FREE - set it once, forget it) • Idle tabs sleep automatically after 5 minutes to 2 hours - you choose the delay • Never-sleep rules: pinned tabs and tabs playing audio always stay awake • Per-site protection: one click to never suspend a site you rely on (email, docs, dashboards) • Suspended tabs stay in your tab bar and reload the instant you click them • A safe Great Suspender alternative, rebuilt for Manifest V3 - automatic tab suspension is free, no account or sign-up ⚡ MANUAL CONTROL & ONE-CLICK BOOST • See memory usage per tab: instantly spot the heavy tabs making Browser slow • Snooze any single tab to free its RAM immediately • Auto-detect memory hogs: huge pages, background video and audio, tabs left idle for hours • Close duplicate tabs in one click - keeps the copy you used most recently • Tab resource monitor: track RAM and CPU usage per tab to diagnose Browser slowdowns • Boost Now (PRO): suspend every background tab at once and reclaim hundreds of MB of RAM • Smart & safe: never suspends your active tab, pinned tabs, or tabs playing music or video 20 open tabs can cost 2–4 GB of RAM. Digital Shield reclaims it without closing anything - making Browser faster on any laptop or low-RAM device. 🛡 TRACKER BLOCKER & MALWARE PROTECTION • Block third-party trackers and invisible scripts that follow you across the web • Malware & phishing protection: identify and block dangerous domains before they load • Website Safety Score: real-time 0-100 security rating and Privacy Grade (A-F) per site • SpyGraph Visualizer: see exactly which ad networks and data brokers your data is shared with • Privacy Sandbox: feed trackers false data to break their profiling entirely 🔔 DATA BREACH CHECKER & IDENTITY PROTECTION • Check if your email was exposed in known data breaches - instantly • Zero-knowledge password vault: securely store, generate and autofill logins on-device • Email alias generator (PRO): create masked emails to protect your real inbox identity • Anti-fingerprint protection (PRO): block advanced cookieless tracking across sessions 👨👩👧 PARENTAL CONTROL EXTENSION & FAMILY SAFETY • Kids safe browsing: enforce strict Safe Search with granular age filters (Under 10 to 14+) • Adult content blocker (PRO): dynamic filtering to protect children from harmful content • Pause browsing instantly with a parent PIN - ideal for screen time and focus sessions • Bedtime scheduling: automatically disable browsing at set times for healthy sleep habits • 72-hour search history log (PRO): rolling parental review of browsing activity 🌙 PERFORMANCE & BROWSER PRODUCTIVITY • Universal dark mode: enable an eye-friendly dark theme on any website instantly • One-click browser cleaner: clear cache and cookies without getting logged out • Reader view: strip pop-ups and sidebars for clean, distraction-free reading 🔐 SECURE VAULT & PRIVACY TOOLS • Encrypted bookmark and notes vault protected behind a PIN • Network-level firewall (PRO): granular control over all browser network connections • AI privacy policy summarizer (PRO): understand any privacy policy in plain English • Session-safe cleaning: remove your digital footprint without losing active sessions 📊 PRIVACY DASHBOARD - VISUALIZE YOUR PROTECTION See your privacy at a glance. The Digital Shield dashboard turns invisible tracking into a clear, real-time tracker report, so you always know who is trying to track you and how well you're protected. • Live tracker report: trackers detected vs. trackers blocked on every website you visit • Privacy Score (0-100) and Protection Level at a glance • Trackers by category: a visual breakdown of advertising vs. analytics trackers • Weekly tracker activity graph: watch how many trackers Digital Shield blocks over time • Top detected trackers, named: Google, DoubleClick, Facebook Pixel, LinkedIn, Mixpanel and more 🚀 WHY DIGITAL SHIELD? ✔ Free tracker blocker and tab suspender - no account or sign-up required ✔ Makes Browser faster: built-in memory saver reclaims RAM in one click ✔ Built on Manifest V3 for low overhead and modern security ✔ Privacy-first: your data is encrypted and never leaves your device ✔ Covers what VPN extensions miss: tracker-level and script-level blocking ✔ Breach alerts + parental controls + tracker blocking + a memory saver in one app ✔ Available in 14 languages - Translated in English, German, Spanish, French, Portuguese and Russian Looking for a safe Great Suspender alternative, a Browser memory saver to free up RAM, a free tracker blocker, a data breach checker or a parental control extension? Digital Shield replaces all of them - tracker blockers, malware scanners, data breach checkers, parental control extensions, tab suspenders, memory savers, dark mode extensions and browser cleaners - in a single free privacy extension for Browser. Stop trackers. Block malware. Free up RAM. Protect your family. Speed up Browser. ## Rankings - #30,154 — Overall - #70 — malware - #149 — spend - #179 — tracker - #188 — wa sender - #213 — password-protected ## Permissions and access ### Permissions - `storage` - `activeTab` - `webRequest` - `declarativeNetRequest` - `alarms` - `cookies` - `browsingData` - `webNavigation` - `tabs` - `scripting` ### Host permissions - `*://*/*` - `https://api.lemonsqueezy.com/*` ### Content script matches - `` ## Safety - **Risk impact:** Very high risk impact - **Risk likelihood:** Moderate risk likelihood ### Analysis details - Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern. - This extension was recently updated in the past month. New updates may not be stable or safe. > Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing). ## Similar extensions and apps - [PrivacyShield](https://chrome-stats.com/d/privacyshield) - [PhantomShield: Advanced Privacy](https://chrome-stats.com/d/phantomshield-advanced-privacy) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro6) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro1) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro8) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro3) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro5) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro7) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro4) - [Privacy Shield Pro](https://chrome-stats.com/d/privacy-shield-pro2) - [NightShield Sentinel Pro](https://chrome-stats.com/d/nightshield-sentinel-pro) — 1 users - [PrivacyShield — Cookie Killer](https://chrome-stats.com/d/privacyshield-cookie-killer) --- Source: [Chrome-Stats](https://chrome-stats.com/d/digital-shield)