Overview

Onyx is a free maintenance and tuning application for macOS that helps keep your computer running efficiently. It bundles a selection of utilities for system upkeep, diagnostics, and personalization in a straightforward interface that suits both beginners and power users.

Primary Capabilities

  • Provides detailed system diagnostics and verification, so you can inspect the health of your Mac.
  • Lets you reveal and adjust hidden system options to fine-tune behavior and appearance.
  • Offers tools to manage which apps and services launch at startup, improving boot time.
  • Includes routines to remove stale caches and temporary files, freeing disk space.
  • Enables customization of system preferences with more granular controls than standard settings expose.

Advanced Controls and Options

  • A range of deeper configuration panels for users who want to modify less-visible aspects of macOS.
  • Repair and maintenance routines that verify system files and perform corrective tasks when needed.
  • Scheduling and batch options for running maintenance tasks without manual intervention.

Who Will Benefit

  • Casual users who want a simple way to tidy and inspect their Mac without dealing with complex command-line tools.
  • Experienced users and administrators seeking quick access to under-the-hood settings and verification utilities.
  • Anyone looking to extend macOS’s built-in maintenance capabilities with easy-to-use GUI tools.

Reasons to Use It

  • No cost: the utility is available free of charge.
  • Clear, approachable interface: tasks are grouped logically so newcomers can find what they need.
  • Versatile: combines cleanup, diagnostic, startup, and customization features into a single package.

Quick Start

  • Install and open the app, then review the system information panel to get a snapshot of your Mac.
  • Run verification or repair checks before making major changes.
  • Tackle one maintenance task at a time—start with diagnostics, then proceed to cache cleaning or startup item review as needed.

Technical

Title
Onyx
Requirements
  • Mac
Language
English
Available languages
  • English
  • French
License
  • Free
Latest update
2025-12-08
Author
Titanium
Other Useful Business Software
$300 Free Credits for Your Google Cloud Projects Icon
$300 Free Credits for Your Google Cloud Projects

Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
Start Free Trial
Rate This App
Login To Rate This App

User Reviews

Be the first to post a review of Onyx!