Opening an OSL File

The OSL file type is primarily associated with 3ds Max.

OSLFile Extension OSL
 File extension: OSL
File type:  source code file

What is an OSL file?

OSL files mostly belong to 3ds Max. OSL files are used to store shader code that drives the way surfaces and volumes interact with light. These files use Open Shading Language to define material properties, textures, and light responses in 3D rendering environments. They appear as plain text that can be edited with any text or code editor.
  • 3D Rendering: Many graphics applications, such as Autodesk 3ds Max and Blender, load these files to build realistic visual effects. For details on 3ds Max, visit Autodesk 3ds Max and for Blender, see Blender.
  • Compilation: The shader code in OSL files is compiled using dedicated tools like the Open Shading Language compiler available on GitHub.
  • Alternate Use: In some cases, an OSL file may store a serialized object from the .NET Framework. These files follow a different structure and require a .NET environment to be processed.
    • FilExt.com tip: The file’s usage depends on its origin. Artists and developers combine complex mathematical functions within these files to create custom lighting and material effects for 3D scenes.

    How to open OSL files

    You need a suitable software like 3ds Max to open an OSL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OSL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OSL file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online OSL Text Viewer

    Choose your .osl file to view
    ✈

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    How to extract texts from OSL files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

    If you want to extract texts from OSL file or capture a screenshot, you can use our free Online OSL File Viewer:
    1. To do this, click the button "Choose your .osl file to view" on this page.
    2. After your file is opened in browser,
    3. click "Save as..." in the menu.
    4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
    5. Your file will be converted and downloaded.

    Programs that open and convert OSL files:

    1. 3ds Max
      See the previous paragraphs to learn more about the main application. OSL files are often referred to as 3ds Max developers because this type of file is primarily created or used by this software.
    2. OckamSoft (Log File) by Ockam Instruments, Inc.
      Log files are binary fixed-length format and are named MMDDHHMM.OSL (month, day, hour and minute of the starting time) and are logged to your \OS3 directory.

    OSL format details:

    To view or edit OSL files you need to know the file format, because it determines how the data in this file is stored. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Below you will find our evaluation of the OSL files:

    OSL is not a commonly used file extension and includes various formats for various programs. But the following two file formats are common:

    All other OSL files (45%) have no consistent format, such as GZIP and shader. Tagged as material, source, built, ddtattive, octane or vray. If you want to find out what your OSL file contains, drag and drop it onto this page.

    Technical Data for OSL File Extension

    File classification:
    Developer
    Related files:
    osl, shader, cg, hlsl, glsl, fx, oslinc, ols, pdf, xlsx, dat, zip, erl, ilg, it3

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: onlineTV.Smartlink
    EXEFile: %ProgramFiles%\onlineTV\onlineTV.exe /smartlink %1
    ProgramID: onlineTV.Smartlink
    EXEFile: %ProgramFiles%\concept design\onlineTV 2\onlineTV.exe /smartlink %1
    ProgramID: onlineTV.Smartlink
    EXEFile: %ProgramFiles%\onlineTV 2\onlineTV.exe /smartlink
    ProgramID: onlineTV3.Smartlink
    EXEFile: %ProgramFiles%\concept design\onlineTV 3\onlineTV.exe /smartlink
    ProgramID: OSLOLensFile
    EXEFile: %ProgramFiles%\OSLO\EDU64\osloedu.exe
    Show all 5 listingsTo Top

    an osl source code file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with OSL files

    • Associate the OSL file extension with the correct application.
    • Update your software that should actually open source code files. Because only the current version supports the latest OSL file format. Search, therefore, e.g. on the manufacturer website after an available 3ds Max update.
    • To make sure that your OSL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .OSL file online - secure, fast, and no downloads needed.
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    OSL file viewer OSL file description