Free CSS Toolbox - Version 1.2 Free CSS Toolbox is a free productivity software for web developers who work with CSS code. Free CSS Toolbox includes a number of tools for fast-tracking and enhancing the development of style sheet code, such as an advanced CSS Formatter and CSS Validator. If you develop websites that use CSS, the Free CSS Toolbox can help you save time and increase productivity without any cost.Key features and benefits 1) Simple CSS editor