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FX GLSL
File conversion

Convert FX to GLSL

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Is it possible to convert FX to GLSL?
Yes - FX converts to GLSL.

HLSL (used in .fx) and GLSL (used in OpenGL) are conceptually equivalent but syntactically different; conversion is a manual port or via tools like HLSL2GLSL, glslang, or SPIRV-Cross (compile HLSL to SPIR-V, then cross-compile to GLSL).

Also to GLSL: PSSL · FP

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert FX to GLSL

Converting a .FX file to .GLSL lets you open the content in software that prefers the .GLSL format, though some details may change compared with the original. We are still putting together the list of programs that handle .FX files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.FX DirectX HLSL Effect File

An FX file is a DirectX HLSL effect file - plain-text GPU shader code used by Direct3D in Windows games and 3D applications. Open it in any code editor such as Visual Studio or VS Code. It…

Open .FX details →
.GLSL OpenGL Shading Language source code

A .GLSL file is associated with OpenGL Shading Language source code, a misc file.

Open .GLSL details →