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TopStyle Logo.png
Developer(s)Nick Bradbury, Stefan van As
Stable release / April 10, 2016; 6 years ago (2016-04-10)
Written inDelphi
Operating systemWindows 98, ME, NT4, 2000, XP, Vista, 7, 8.0, 8.1, 10

TopStyle was a CSS/XHTML/HTML editor for Microsoft Windows developed by Nick Bradbury and now maintained by Stefan van As. The editor was code-centric rather than WYSIWYG, with integrated support for previews using either the Mozilla Gecko, Internet Explorer Trident, or Apple Inc. Webkit layout engines. The software was available as a commercial version with a trial period.


TopStyle was created by Nick Bradbury. He also created Macromedia HomeSite (then just "HomeSite") in 1995. HomeSite was acquired by Allaire in March 1997, by Macromedia in 2001, and finally (as of 2006) by Adobe Systems.[1] Nick Bradbury left the company to found Bradbury Software in 2003 and created the editor TopStyle and a news aggregator titled FeedDemon. Bradbury Software was acquired by NewsGator Technologies in May 2005.[2] Stefan van As acquired TopStyle in December 2008.[3]


TopStyle supported HTML, XHTML, and CSS editing in various revisions, along with powerful checking for standards and browser compatibility issues. Checking optionally covered a variety of levels, such as a strict W3C CSS specifications, to issues on a wide variety of browsers. This style checker feature provided detailed warning messages allowing the user to visually see if parts of HTML or CSS code would be incompatible with a particular browser.

The software supported converting deprecated HTML styling to CSS code, converting HTML code to valid XHTML, and checking for orphaned code or pages.

TopStyle integrated with HTML Tidy, W3C's validation services, and the Windows application CSE HTML Validator. TopStyle 4 could use CSE HTML Validator to check links.[4]

TopStyle also integrated with Adobe Dreamweaver.

Syntax highlighting was supported for PHP, ASP, CFML, CSS, XHTML, HTML, JavaScript, and VBScript.

Version history[edit]

TopStyle 3.5 was released on October 15, 2007 (version New features include better support for Windows Vista and browsers released since TopStyle 3.12 (Safari 2, IE7, Firefox 2, Opera 9), Box Spy (tool that shows padding/margins of boxes in the preview window), and many more including many bug fixes and improvements.

TopStyle 4 was released on May 31, 2009. New features include (UTF-8) unicode support, live FTP editing, support for browsers released since TopStyle 3.5 (IE8, Firefox 3, Safari 3, and Safari 4), Script Insight for ASP + PHP + ColdFusion, support for iPhone (and iPod touch) webapp development, support for HTML 5, IE8 document compatibility, and many more including many bug fixes and improvements.

TopStyle 5 was released in November 30, 2012, including support for CSS3.

TopStyle's development ended in 2016.

See also[edit]


  1. ^ "TopStyle Pro HTML Editor, CSS Editor, XHTML Editor for Windows - from the creator of HomeSite". Retrieved 2016-10-13.
  2. ^ About Nick Bradbury
  3. ^ ANN: TopStyle Acquired by Stefan van As
  4. ^ CSE HTML Validator and TopStyle 4 Integration Retrieved on 2009-07-22.

External links[edit]