LIVEditor

LIVEditor is a user-friendly and intuitive piece of software designed mainly as a replacement for other less performant HTML code editors, that do not always save the changes you make to your code. The program lets you to perform various design and tweaking operations in real time, without having to resort to Firebug or Dev Tools.
When you use other tools, you run the risk of losing any adjustments you might have made simply by refreshing the page you were working on, wasting many work hours and effort for nothing.
LIVEditor enables you to work with several distinct codes, namely HTML, CSS and JavaScript, allowing you to tweak such items in real time, without having to copy and paste the code from one window to another. Similarly, you can open existing local files and edit their contents, so suit your needs.
Many of the actions that can be performed in LIVEditor are also assigned a set of keyboard shortcuts, so 'Delete' elements, create 'New' files, 'Edit' or 'Insert' elements as well as 'Find' specific items, with the proper hotkeys. Other functions include the 'Wrap' or 'Beautify' features, that you can apply to your code.
In a side panel, LIVEditor allows you to view the effects your editing actions have on the appearance of the web page, so you can decide if they are worth keeping or require further adjustments. Additionally, it offers a 'Smart Code-Complete' function, that can automatically fill in tags, attribute names, CCS property names and values.
Moreover, you can open the HTML or CSS file in a web browser you have installed on your system, such as Internet Explorer, Google Chrome or Mozilla Firefox, in order to better estimate the impact of any alterations you might have made in a regular view.
In conclusion, LIVEditor is a useful and efficient piece of software that you can use to perform live changes on your HTML or CSS code, enabling you to view the results of your work in real time.