OnyX 4.9.9

OnyX 是 macOS 上知名的免費系統維護與最佳化工具，能協助使用者清理暫存、修復權限、執行例行維護，並深入調整 Dock、Finder、Safari 等內建程式的隱藏參數。它的最大特色是將許多原本需要指令或第三方軟體才能達成的調校選項整合在單一介面，操作直覺。開發團隊持續更新，近一年來版本釋出相當頻繁，在同類工具中屬於熱門選擇，使用者評價普遍不錯。

這套軟體適合熟悉 macOS 但不想碰終端機的進階使用者，當你覺得系統變慢、出現小毛病，或想自訂一些 Apple 沒公開的設定時，OnyX 能派上用場。相較於 CleanMyMac X 等付費工具，OnyX 完全免費，但功能偏向技術性調校，介面也較為樸素；它僅支援英文，且需對應 macOS 版本使用，下載前最好確認相容性。整體而言，它是追求免費、深度優化使用者的實用選擇。

OnyX is one of the best free utilities for the maintenance, personalization, and optimization of your macOS.

Not only that it is capable to run countless miscellaneous tasks of system maintenance, but it enables you to easily find and tweak many hidden parameters of Dock, Dashboard, Safari, Expose, Disk Utility, and Finder.



After just a few minutes spend optimizing your Mac with OnyX, not only that you will be able to optimize many aspects of your daily computer usage, streamlining the way you work certain things and increasing your productivity, but also making your Mac run faster and enabling it to run longer on your if you prefer using laptops.



Some of its most popular options are without a doubt ability to preview logs, CrashReporter reports, countless hidden parameters of the system, and removal of unused and large files or directories.

All of the functions of this app are accessible via a highly-intuitive interface that features eight main tabs filled with countless OS tweaks – Verify, Maintenance, Cleaning, Utilities, Automation, Parameters, Log, and Info.

The parameters section is especially useful, enabling you to tweak core functions and services of many basic macOS apps that everyone uses countless times every day.

With all this power at the tip of your fingers, OnyX for Mac definitely represents the best possible way to control your system from most obvious tasks and easy tasks to deeply hidden options that were before accessible only to professionals (for the app also offers access to the powerful command line that can be used to run scripts and automated commands).

How to Use

Open the downloaded DMG file and install the app

Launch OnyX and authenticate with admin password

Choose Maintenance, Cleaning, or Utilities tab

Select desired tasks and confirm execution

Review system logs and results when complete

Use Automation tab for all-in-one system optimization

Always back up your data before major changes

System Requirements

Compatible with macOS Sonoma, Ventura, Monterey, Big Sur, Catalina, and earlier

Specific version of OnyX is required for each macOS version

Intel or Apple Silicon (M1/M2/M3) Mac

PROS

• Deep system cleaning tools
• Free with no ads or tracking
• Detailed system information access
• Optimized for each macOS version
• Customizable maintenance scripts

CONS

• Risky if misused by beginners
• No real-time performance monitor
• Dated user interface design
• No built-in recovery option
• Separate download per macOS version

Note: Requires 64-bit processor.

Download OnyX for Mac Latest Version Why is this app published on FileHorse? (More info)