Free

A free, trusted Mac utility for system maintenance, file checks, and tweaking hidden settings with ease.

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Key Features

  • Check system files
  • Auto maintenance
  • Tweak hidden options
  • Clear caches
  • Rebuild databases
  • Wipe files securely

Interface Preview

OnyX - Mac System Utility user interface

Want to keep your Mac running like a champ without needing a PhD in Terminal commands? OnyX is your free ticket to system mastery—a powerhouse utility that’s been a Mac staple since 2003. Think of it as your behind-the-scenes tech wizard: it verifies system files, clears out junky caches, rebuilds databases, and lets you tweak settings Apple hides away—all through a clean, click-friendly interface. Whether you’re an admin fine-tuning a fleet of Macs, a power user customizing your Finder, or just someone who likes a speedy machine, OnyX digs deep to keep things humming. Tailored for each macOS version and rocking over two decades of trust, it’s the no-cost, no-nonsense way to maintain, optimize, and personalize your Mac like a pro.

Why You’ll Love It

  • File Checkup: Scans system files to catch issues early.
  • Maintenance Made Easy: Automates cleanup and tune-ups.
  • Secret Tweaks: Unlocks hidden settings for Dock, Finder, and more.
  • Cache Buster: Wipes clutter to free up space and speed.
  • Shred Safe: Deletes files securely, no traces left.

What It Offers

  • Fixer Kit: Verifies files, rebuilds indexes, and optimizes systems.
  • Control Center: Tweaks Finder, Safari, and Dock with ease.
  • Deep Clean: Clears caches and rebuilds databases like a pro.
  • Admin Edge: Accesses advanced options with admin rights.
  • Mac Match: Version-specific builds for peak performance.

Perfect For

  • Admins: Maintain Macs with precision and power.
  • Power Users: Customize and optimize to your heart’s content.
  • Clean Freaks: Keep systems lean and fast.
  • DIYers: Skip the command line for pro-level control.

Get Started

  1. Download: Pick your macOS version from OnyX.
  2. Install: Drag it to Applications and launch with admin rights.
  3. Tune: Verify files, clean caches, or tweak settings.
  4. Enjoy: Feel your Mac run smoother than ever.

System Requirements

  • macOS (version-specific builds, e.g., Ventura, Sonoma)
  • 4GB RAM minimum (8GB recommended for heavy tasks)
  • Works on Intel and Apple Silicon Macs
  • Admin account required

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