Customizing themes for WordPress (using PHP, CSS, JavaScript, and HTML) or Ghost (using Handlebars .hbs files, CSS, JS, and HTML) requires a powerful code editor with excellent syntax highlighting, auto-completion, relevant extensions, and support for both Windows and macOS.
Here are the most popular and effective options used by developers working on these platforms.
Free Options
Visual Studio Code (VS Code) The most widely used editor for web and CMS theme development. It’s free, open-source, and extremely customizable through extensions.
Key strengths:
- PHP Intelephense or WordPress-specific snippets for theme and plugin development
- Excellent Handlebars support for Ghost .hbs files
- Built-in Git integration, debugging, live preview, and a massive extension marketplace
Recommended as the default choice for most developers.
Download: code.visualstudio.com
Notepad++ A lightweight and extremely fast editor perfect for quick edits. It offers excellent syntax highlighting for PHP, CSS, JS, and HTML, plus plugin support.
Native on Windows. macOS users can run it via Wine or use a similar lightweight alternative. Ideal for rapid WordPress tweaks.
Download: notepad-plus-plus.org
Premium / Paid Options
PhpStorm JetBrains’ professional PHP IDE — widely regarded as the best tool for serious WordPress theme and plugin development.
Key features: Advanced PHP code intelligence, refactoring tools, debugging, WordPress-specific autocompletion, and full support for Handlebars, CSS, and JavaScript.
Subscription-based (~$199/year after free trial).
Official site & trial: jetbrains.com/phpstorm
Sublime Text A fast, minimal, and highly extensible editor with a freemium model (unlimited free use with occasional pop-up reminders). One-time license costs ~$99.
Excellent for PHP, Handlebars, and all web languages on both Windows and macOS.
Official site: sublimetext.com
Nova (macOS-only) Panic’s modern, native macOS code editor. Features a polished interface, strong web development tools, PHP and Handlebars extensions, and excellent macOS integration.
One-time purchase or subscription options (around $99). Perfect for Mac-focused developers.
Official site & download: nova.app
Quick Comparison
- Visual Studio Code: Free | Windows & macOS | Best for versatility, extensions, and community support
- Notepad++: Free | Windows (macOS via emulator) | Best for fast, lightweight edits
- PhpStorm: Premium | Windows & macOS | Best for professional PHP and WordPress development
- Sublime Text: Freemium (~$99) | Windows & macOS | Best for speed and minimal interface
- Nova: Premium (~$99) | macOS only | Best for native Mac experience and polished UI
Quick Recommendation
Start with Visual Studio Code — it’s free, powerful, and has the best ecosystem of extensions for both WordPress and Ghost theme development.
Install the Handlebars extension for Ghost files and Intelephense (or PHP IntelliSense) for WordPress PHP work.
Pro Tips
- Always develop and test themes locally (use LocalWP for WordPress, or a native Ghost install).
- Use version control (Git) before pushing changes to your live site.