3DS to STL Converter

Select files for conversion or just drag and drop them to the upload area

How to convert 3DS files to STL online?

Step 1.

Upload 3DS-file

Click "Choose File" button to select a 3ds file on your computer. 3DS file size can be up to 50 Mb.
Step 2.

Convert 3DS to STL

Click "Convert" button to start conversion.
Step 3.

Download your STL

When the conversion process is complete, you can download the STL file.


  • ❓ How can I convert 3DS to STL?
    First you need to add file for conversion: drag and drop your 3DS file or click the "Choose File" button. Then click the "Convert" button. When 3DS to STL conversion is completed, you can download your STL file.
  • ⏱️ How long does it take to convert 3DS to STL?
    Mesh conversion is pretty fast. You can change 3DS to STL in a few seconds.
  • 🛡️ Is it safe to convert 3DS to STL on AnyConv?
    Of course! We delete uploaded files immediately, and converted ones after 24 hours. No one has access to your files. File conversion (including 3DS to STL) is absolutely safe.
  • 💻 Can I convert 3DS to STL on Mac OS or Linux?
    Yes, you can use AnyConv on any operating system that has a web browser. Our 3DS to STL converter works online and does not require software installation.

Information about 3DS and STL file formats

Name 3DS STL
Full name Autodesk 3D Studio Max Stereolithography File Format
File extension .3ds .stl
MIME type application/x-3ds, image/x-3ds
Developed by Autodesk Inc. 3D Systems
Type of format
Description 3DS is one of the file formats used by the Autodesk 3ds Max 3D modeling, animation and rendering software. It was the native file format of the old Autodesk 3D Studio DOS, which was popular until its successor replaced it in April 1996. Having been around since 1990, it has grown to become a de facto industry standard for transferring models between 3D programs, or for storing models for 3D resource catalogs. While the 3DS format aims to provide an import/export format, retaining only essential geometry, texture and lighting data, the related MAX format also contains extra information specific to Autodesk 3ds Max, to allow a scene to be completely saved/loaded. STL is a file format native to the stereolithography CAD software created by 3D Systems. This file format is supported by many other software packages. It is widely used for rapid prototyping, 3D printing and computer-aided manufacturing. STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations. Binary files are more common, since they are more compact.
Technical details 3ds is a binary file format. Format is based in chunks, where each section of data is embedded in a block that contains a chunk identifier and the length of the data, as well as the data itself. This allows parsers to skip chunks they don't recognize, and allows for extensions to the format. The chunks form a hierarchical structure, similar to an xml DOM tree. The first two bytes of the chunk are its ID. From that value the parser can identify the chunk and decide whether it will parse it or skip it. The next four bytes contain a little-endian integer that is the length of the chunk, including its data, the length of its sub-blocks and the 6-byte header. The next bytes are the chunk's data, followed by the sub-chunks, in a structure that may extend to several levels deep. An STL file describes a raw, unstructured triangulated surface by the unit normal and vertices (ordered by the right-hand rule) of the triangles using a three-dimensional Cartesian coordinate system. In the original specification, all STL coordinates were required to be positive numbers, but this restriction is no longer enforced and negative coordinates are commonly encountered in STL files today. STL files contain no scale information, and the units are arbitrary.
File conversion 3DS conversion STL conversion
Associated programs AutoCAD, Unigraphics и SolidWorks. TurboCAD, GOM Inspect, STL Viewer, Geomagic Explorer, Parametric Technology Creo, Dassault Systemes CATIA, KeyCreator, MeshLab, SolidWorks, Pro/Engineer, CloudCompare, Blender, AutoCAD, 3D Studio Max, Autodesk Inventor, Mechanical Desktop
Wiki https://en.wikipedia.org/wiki/.3ds https://en.wikipedia.org/wiki/STL_(file_format)
3DS to STL conversion quality rating:
4.6 (916 votes)
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