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Mac Ninja

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Visit macninjaa.com

A Mac menu bar app that puts idle browser tabs to sleep and lowers the priority of busy background apps. Sleeping tabs stay in place and reload when clicked. Try it for seven days without a card.

Key features

  • Sleep idle browser tabs while keeping their place in the tab bar
  • Lower the resource priority of busy background apps
  • Review sleeping tabs and slowed apps in the dashboard
  • Optionally clean up abandoned browser-agent tabs with the Chrome helper
Screenshot of the homepage of macninjaa.com
Screenshot of the homepage · macninjaa.com
Its sharing image of macninjaa.com
Its sharing image · macninjaa.com

Quick facts

Homepage title
Mac Ninja – Make a Slow Mac Feel Brand New Again
In its own words
Speed up a slow Mac without closing apps. Mac Ninja unloads idle browser tabs (Chrome, Safari, Brave, Edge, Arc…) and calms background apps that hog the CPU or the disk. $9.99/year or $24.99 once. Free 7-day trial.
On its homepage
  • Dozens of tabs, quietly eating RAM
  • Background apps hogging the CPU
  • Spinning wheels & roaring fans
  • “Out of application memory”
  • AI agents that leave their tabs behind
  • That “just unboxed” speed. Every day.
  • Three quiet moves. One fast Mac.
  • Puts idle tabs to sleep
Type
Mac software
Category
Software and technology
Who it's for
Freelancers · Developers · Consumers
Based in
Sweden
Launched
November 2026
Pricing
Free trial · From US$9.99/year or $24.99 once

How this listing was checked

Submitted by its maker, who confirmed an email address on its own domain on Wednesday 11 November 2026. Its website was last read on Wednesday 11 November 2026.

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