Monitors total system RAM, system CPU load, and estimated per-tab JS heap memory to help close and suspend heavy tabs.
Users
22
+13 in 30 days
Rating
5.0 / 5
+5.00 in 30 days
Ratings
2
+2 in 30 days
Store rank
#148K
#124K among extensions
Version
2.4.0
updated 23 Sep 2026
Users
monthly, 2 months
Latest, 21 Oct 2026:22 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 21 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About RAM & CPU Tab Monitor
π₯οΈ RAM & CPU Tab Monitor is a privacy-first browser extension designed to help you monitor system resources, identify heavy tabs, and keep your browser running smoothly. π
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π REAL-TIME SYSTEM MONITORING:
πΎ Live RAM Monitoring β View total, used, and available system RAM in real time.
β‘ Live CPU Monitoring β Monitor system-wide CPU usage with per-core information.
π Per-Tab Memory β See estimated JavaScript heap memory for individual tabs.
π― Activity Score (0β100) β Quickly identify which tabs are most active and resource-intensive.
π Historical Trends β View compact RAM and CPU graphs to understand resource usage over time.
β€οΈ System Health Badge β Instantly see whether your system is Healthy, Moderate, or Critical.
π Battery Saver Mode β Automatically detects battery power and applies more aggressive resource-saving settings.
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π₯οΈ FLOATING HUD OVERLAY:
π Always-On Mini Widget β A compact floating overlay appears on every webpage showing live RAM % and CPU % at a glance β no need to open the popup.
π Expandable Details β Click the pill to expand a full system stats panel with RAM bar, CPU bar, JS heap memory, and network speed β all in real time.
π Hibernate from Any Page β Suspend the current tab directly from the HUD without switching to the popup.
βοΈ Open Settings Instantly β Launch the Options page directly from the HUD widget.
π¨ Shadow DOM Isolated β The HUD overlay is fully isolated from page styles so it works cleanly on every website.
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ποΈ SMART TAB MANAGEMENT:
π₯ Top Resource Hogs β Quickly find the tabs consuming the most resources.
π Tab Insights β Inspect a tab's URL, heap usage, activity score, and memory status.
π€ Suspend Tab β Free resources by suspending tabs without permanently closing them.
β Close Tab β Remove unnecessary or resource-heavy tabs instantly.
π Group by Domain β Organize your tabs by website domain.
π‘οΈ Domain Whitelist β Protect important websites from automatic suspension.
β¨ Live Tab Updates β Keep your tab list synchronized without unnecessary screen flickering.
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π¦ TAB STASH:
πΎ Save Tab Groups β Stash a set of tabs into a named collection and close them to free resources instantly.
π One-Click Restore β Reopen an entire stash of tabs whenever you need them back.
ποΈ Multiple Stashes β Keep as many named stashes as you want β work projects, research sessions, reading lists, and more.
ποΈ Delete Stashes β Remove saved stashes you no longer need.
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π¬ RESOURCE HOG ANALYZER:
π 7-Day Domain Memory Tracking β The extension silently tracks how much memory each website domain uses over time.
π Top Memory Offenders β See which websites consistently consume the most memory across all your browsing sessions.
π Domain-Level Insights β Compare memory usage across domains to make smarter decisions about which sites to avoid or suspend.
π Reset Stats β Clear the 7-day history and start fresh at any time.
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π§Ή MEMORY LEAK AUTO-FIX:
π¨ Automatic Leak Detection β Detect continuous JavaScript heap growth over time.
π οΈ 1-Click Refresh & Clean β Refresh a detected leaking tab directly from its tab card.
π¨ Instant Memory Recovery β Reload the affected tab to help release accumulated memory.
β οΈ Memory Leak Badge β Clearly identify tabs showing suspicious memory growth.
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β° TAB SNOOZE & SCHEDULED WAKEUP:
π€ Snooze tabs to free their resources and have them automatically reopen when you need them.
β±οΈ Quick Presets
β’ β‘ Quick Test β 1 Minute
β’ π In 1 Hour
β’ π In 4 Hours
β’ π Tomorrow at 9:00 AM
π Custom Scheduler β Choose any specific date and time for a tab to reopen.
πΎ Instant Resource Release β Snoozing removes the tab from your active session until its scheduled wakeup.
π Automatic Wakeup β The tab can reopen automatically when its scheduled time arrives.
π Wakeup Notifications β Get a desktop notification when your scheduled tab is ready.
π» PC Shutdown Recovery β If your computer was turned off when a scheduled tab was due, the extension can restore the tab after startup.
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β‘ ONE-CLICK OPTIMIZATION:
π Optimize Now β Scan your tabs and suspend eligible heavy tabs with one click.
π― Smart Filtering β Respects your whitelist and protects the active tab.
β³ Auto-Suspend on Idle β Automatically suspend inactive tabs after a configurable period.
π Battery-Aware Suspension β Reduce idle limits while running on battery power.
π― Duplicate Tab Cleanup β Detect and close duplicate tabs quickly.
π° RAM Savings Tracker β Track how much memory you've freed through tab suspension.
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π SMART NOTIFICATIONS:
π¨ RAM Overload Alerts β Get notified when RAM usage reaches your configured Moderate (60%) or Critical (85%) threshold.
β‘ CPU Spike Alerts β Receive alerts when CPU usage crosses 65% or 85%.
π§ Memory Leak Alerts β Automatically notified when a tab shows continuous memory growth exceeding your set threshold (default 150 MB).
β° Snooze Wakeup Alerts β Know exactly when a scheduled tab has been reopened.
π In-Page Toast Banners β Real-time alert banners appear directly inside your open web pages so you never miss a notification even if your Windows notification tray is hidden or silenced.
π Optional Sound Chime β Enable an audio chime for every resource alert.
β±οΈ Notification Cooldown β Prevent notification spam with configurable cooldown periods.
π Auto-Dismiss Timer β Automatically dismiss notifications after your selected duration.
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βοΈ POWERFUL SETTINGS:
π― Activity Score Threshold β Choose how sensitive heavy-tab detection should be.
πΎ RAM Alert Thresholds β Configure Moderate and Critical RAM alert levels.
β‘ CPU Alert Thresholds β Set your preferred CPU warning limits.
β³ Auto-Suspend Duration β Choose how long a tab can remain idle before suspension.
π΅ Protect Media Tabs β Prevent tabs playing audio or video from automatic suβ¦