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App 900 installs/mo

OnyX for Mac

Verify system files structure, run miscellaneous maintenance and more

Quick answer: OnyX is a utility for macOS. Install it with brew install --cask onyx. The licence is not declared in Homebrew metadata. It has 900 Homebrew installs in the last 30 days.

What OnyX is

OnyX is a utility for macOS: verify system files structure, run miscellaneous maintenance and more.

It is distributed as a Homebrew cask, which installs a .app bundle into your Applications folder. Homebrew only automates the download and install step; the licence terms come from the vendor.

How to install OnyX

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install --cask onyx.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install OnyX on Mac?

Run brew install --cask onyx in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is OnyX open source?

Homebrew's metadata does not declare a licence for this app, so the official site is the authoritative source.

Does OnyX run on Apple silicon?

Yes, as a universal binary.

How popular is OnyX?

It was installed 900 times in the last 30 days according to Homebrew analytics, ranking #1114 in this catalogue.

What version of OnyX is current?

The latest packaged version is 5.1.1.