Paint Tool SAI

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Paint Tool SAI

Paint Tool SAI 1.1.0 running on Windows 7
Other names	SYSTEMAX Advanced Illustrator
Developer(s)	Koji Komatsu
Initial release	1.0.0 / February 25, 2008; 16 years ago (2008-02-25)[1]
Stable release	1.2.5 / April 25, 2016; 8 years ago (2016-04-25)
Preview release	2 Beta[2] / August 14, 2024; 3 months ago (2024-08-14)[3]
Written in	C++
Operating system	Microsoft Windows
Size	2.9 MB
Available in	Japanese, Spanish, German
Type	Raster graphics editor
License	Shareware (31-day trial)
Website	systemax.jp/en/sai/

SAI or Easy Paint Tool SAI (ペイントツールSAI) is a lightweight raster graphics editor and painting software for Microsoft Windows developed by Koji Komatsu (小松 浩司, Komatsu Kōji) and published by Systemax. The prototype of the software was "Full Color Paint Tool -Sai-" (フルカラーペイントツール-彩-, Furukarā peinto tsūru -Sai-) for X68000, produced in October 1996. Development of the software began on August 2, 2004, and the first alpha version was released on October 13, 2006. The first beta version was the released on December 21, 2007, and SAI's official release (1.0.0) was on February 25, 2008. It has been available on Microsoft Windows from XP to 11. It is available in Japanese, German, and English. A version 2 is currently in development.