Interface is user-friendly and easy to use. The Paint Tool SAI 2 download for free interface is customizable, so you can rearrange the features and panels to suit your needs. All the tools and menus are easily accessible. InterfaceĪpplication has a user-friendly interface. The functionality is great and the support is excellent. The interface of Paint Tool SAI 2 free download is user-friendly and the tools are easy to use. It is a painting and drawing application with a wide variety of features and tools. The software is mainly used for digital painting and creating illustrations. It is available for Microsoft Windows and macOS. Paint Tool SAI 2 is a graphics editor developed and published by Systemax Software.