Some of the best HTML editors for Mac OS X are free or available as an evaluation version with no enforced time limit. Sublime Text (the latter) is extremely fast and can be customized without much fiddling. Reviews of Mac CSS Editors. Coda has nice code-highlighting like the Mac-favorite text editor TextMate. It also sports a built-in preview area for seeing the results of your changes right away. My favourite free mac css editor has to be dashcode, i also have the html the css is linked to open in safari so i can see what my changes are. Some of the best HTML editors for Mac OS X are free or available as an evaluation version with no enforced time limit. Sublime Text (the latter) is extremely fast and can be customized without much fiddling. Mac’s default text editor, TextEdit, combines features of a text editor with those of a word processor, such as rulers, margins, and multiple font selections — allowing it to be used as both a text editor AND a basic word processor — depending on the settings/preferences. Similarly to Notepad (mentioned above), it has almost none of the.