KLayout supports both Intel and Apple Silicon (M1/M2/M3/M4) Macs.
Pre-built packages often embed necessary components like Qt5 or Qt6 , but some versions might require an existing MacPorts or Anaconda environment. Installation Steps for Mac Once you have downloaded the .dmg file: KLayout Layout Viewer And Editor
Native ARM64 (Apple Silicon) builds are available for newer OS versions. For older versions, x86_64 DMG files can run on Apple Silicon via Apple's Rosetta . klayout download mac
If you use the Homebrew package manager, you can install KLayout with a single command in your Terminal: brew install --cask klayout .
The most straightforward way to get KLayout is via the official KLayout Download Page . As of May 2026, the current stable version is , which supports a wide range of macOS versions. KLayout supports both Intel and Apple Silicon (M1/M2/M3/M4)
KLayout is a powerful, open-source mask layout viewer and editor essential for anyone working with GDSII, OASIS, and LEF/DEF files. For Mac users, getting this high-performance tool running requires choosing between pre-compiled DMG packages, package managers like Homebrew, or building from source for the latest features. How to Download KLayout for Mac
Navigate to the "Mac OS" section on the Download Page. Select the .dmg file that matches your operating system (e.g., Sequoia, Sonoma, or Ventura). For older versions, x86_64 DMG files can run
While sites like Softonic offer downloads, it is always safest to download directly from the official website or GitHub to ensure you have the most secure and up-to-date version. System Requirements & Compatibility