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HLSLI file extension

The table below provides useful information about the .hlsli file extension. It answers questions such as:

  • What is the .hlsli file?
  • What program do I need to open a .hlsli file?
  • How can the .hlsli file be opened, edited or printed?
  • How can I convert .hlsli files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Microsoft DirectX D3D High Level Shader Language Include

HLSLI file is a Microsoft DirectX D3D High Level Shader Language Include. The High-Level Shader Language (HLSL) is a proprietary shading language developed by Microsoft for the Direct3D 9 API to augment the shader assembly language, and went on to become the required shading language for the unified shader model of Direct3D 10 and higher.
HLSLI format description not yet available
Application: DirectX SDK
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HLSLI aliases:
HLSLI related links:
HLSLI related extensions:
Microsoft DirectX D3D High Level Shader Language

Microsoft DirectX D3D Mesh Data

High Level Shader Language Compiled Bytecode

Other types of files may also use the .hlsli file extension.

🚫 The .hlsli file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft DirectX D3D High Level Shader Language

🔴 Can't open a .hlsli file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hlsli file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hlsli file extension, write to us!

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