Opening a 3DL File

The 3DL file type is primarily associated with LightConverse.

3DLFile Extension 3DL
File extension: 3DL
File type:  3D light animation

What is a 3DL file?

3DL files mostly belong to LightConverse by LightConverse. 3DL is a file format that's primarily used for storing three-dimensional graphics including models and their animated visualizations. This file format is often associated with LightConverse which allows the creation of various types of shows involving realistic 3D graphics. The contents of a 3DL file are usually textured 3D models. Several other platforms also store geographical data in 3DL files. NNG's iGO navigation software use the 3DL file format to store navigation data as 3D models used in their graphical GPS devices. The 3DL navigation data may consist of location meta data, and landmarks. Another file association of the 3DL file type are 3-dimensional lookup tables used to specify, store, and modify colors, contrast, effects etc. in video and image processing software (including those used in professional film production). 3DL files have cross-platform support and can be shared via digital media (including memory cards and USB devices).

How to open 3DL files

You need a suitable software like LightConverse to open a 3DL 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 3DL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a 3DL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online 3DL Text Viewer

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Programs that open and convert 3DL files:

  1. LightConverse by LightConverse
    See the previous paragraphs to learn more about the main application. 3DL files are often referred to as LightConverse 3d images because this type of file is primarily created or used by this software.
  2. LandDesigner (3D model file) by Sierra
    LandDesigner is a dated computer software used for landscape designs. LandDesigner was developed by Sierra and can be used to design a variety of 3D landscape models including the softworks (soil treatment etc.), hardworks (fencing etc.), and groundworks (like irrigation and drainage systems). This file format is classified as 3D Image. Related links: Sierra Entertainment on wikipedia

Technical Data for 3DL File Extension

File classification:
3D Image
Related files:
Mime type:

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: Sierra3DLandscape.Document
EXEFile: C:\SIERRA\Land3D\ld3d.exe %1

ProgramID: 3DCC.Library
EXEFile: %ProgramFiles%\JaSMiN Co\3D Color Changer 4\JS3DCC.EXE


a 3dl 3D light animation is a special file format by LightConverse and should only be edited and saved with the appropriate software.

How to solve problems with 3DL files

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