TopStyle is a powerful CSS/HTML/XHTML editor that allows you to create professional websites using the latest technologies and web standards. It offers a rich set of tools to help you build simple as well as more complex websites. The most important features are full HTML5 and CSS3 support, preview of the project using the most popular Gecko, Trident and Webkit rendering engines, built-in cascading style sheets and HTML code validator, simple FTP client and many more, however useful.

TopStyle offers a WYSIWYG editor, a syntax highlighting and auto-complete mechanism, an HTML to XHTML converter, and a large number of toolbars with the most important options for a webmaster. There couldn't be a lack of card mechanism, which allows you to work with multiple files in one window of the program. The tool is also equipped with easy navigation (switching) between HTML code and CSS sheets, support for Unicode, UTF-8, UTF-16, ANSI encoding systems, etc., the option of backing up edited files, spelling check, image map editor and intelligent copying of selected code fragments.