.HX File Extension

Haxe Source Code Module

Developer Haxe Foundation
4.2  |  5 Votes

What is an HX file?

An HX file is a source code file used by programs written in the Haxe programming language. It contains code written using extended ECMAScript syntax. HX files can be opened and edited in any source code editor.

More Information

Screenshot of a .hx file in Microsoft Visual Studio Code with Haxe extension installed
HX file open in Microsoft Visual Studio Code with Haxe extension installed

Haxe is an open-source, general-purpose programming language used to create video games, web applications, mobile applications, and cross-platform desktop applications. Notably, Haxe is used in the HaxeFlixel game engine, which is an open-source game engine used to develop 2D games.

Haxe source code is saved in HX files. These files contain classes and functions used to run Haxe applications. When a developer compiles a Haxe application, the compiler transforms the application's HX files into a functional program.

Complex Haxe programs may require multiple HX files to run. These files are organized in directories and sub-directories, which are often referred to in other HX files. In these cases, HX files may be referred to as modules, since they contain only part of a program's code.

How to open an HX file

You can open and edit HX files in any source code editor. The Haxe Foundation recommends opening HX files in Microsoft Visual Studio Code (cross-platform), Sublime Text (cross-platform), Jetbrains IntelliJ IDEA (cross-platform), or GitHub Atom (cross-platform). After you have installed Haxe and its related extensions, these programs will highlight Haxe syntax correctly, making it easier to edit Haxe source code.

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Programs that open or reference HX files

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