You can also easily write your own macro in your favorite languages. There are, of course, syntax highlighting feature for various languages, find and replace with the regular expression, auto-indentation, command-line tool, and lots of other deep functions. However, at the same time, CotEditor is neither a software only for beginners nor a typical minimal “zen-style” editor. The simply organized user interface doesn't disturb your task. It's perfect for you to write a draft version of your document or a scratch code. There are no complex configuration files that require geek knowledge so that you can access all your settings including syntax definitions and themes from a standard preferences window.ĬotEditor launches so quick that you can write your text immediately when you want to. It means, you already know how to use it even on the first launch. CotEditor looks and behaves just as macOS applications should. The application is exactly made for macOS.

CotEditor is a light-weight, neat, yet powerful text editor designed for editing plain-text files such as web pages (HTML, CSS), program source codes (Python, Ruby, Perl, etc.), structured texts (Markdown, Textile, TeX, etc.), or any other kind of plain-text.