Hyro

When you create an HTML file, it comes in handy if you can also preview its contents and make sure the output matches your expectations. Hyro is an intuitive application that can help you preview your HTML files in realtime, as you create them.
The main window of the application is intuitive so you can start immediately working on a new HTML file or modify an existing item.
In the left panel of Hyro’s window you can start typing whereas in the right panel you will be able to preview all the changes, as soon as as you apply them.
The application integrates Codemirror, a popular text editor specialized for code writing and editing, thus helping you make sure your text will look good within a browser, despite the highlights or indentation you use.
Another function of Hyro is that you can process several files at the same time, since the app supports tabs - you can effortlessly copy and paste strings from one tab to the other, depending on your needs.
Additionally, you can drag and drop your HTML file over the left panel so that its contents gets appended to the already existing code. You will still be able to preview the new document in the right panel.
All in all, Hyro can be used whenever you are looking for a straightforward solution to creating, editing and viewing HTML files. Furthermore, you can customize the user interface color as you see fit, so as to obtain a friendly environment for processing your files.