Textastic

Textastic is a powerful and fast text, code, and markup editor.

• Syntax highlighting of more than 80 programming and markup languages
• Supported file types include HTML, JavaScript, CSS, XML, Markdown, Objective-C, Swift, C++, PHP, Perl, Python, SQL, shell scripts and many more
• Compatible with TextMate 1 and Sublime Text 3 syntax definitions and themes 
• Code completion for HTML, CSS, JavaScript, PHP, C, and Objective-C
• Open files in tabs
• Open folders in a sidebar
• Find in files
• Print files
• Symbol list to quickly navigate in a file
• Emmet support built-in
• Auto Save and Versions
• iCloud document sync
• Full support for Dark Mode

Please note: You can use Textastic for iPad and iPhone to sync files between the Mac, iOS, and iPadOS versions of Textastic using iCloud Drive.