Click the "Select File" button above, and choose your MS3D file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert MS3D to another file type
The converter easily converts your MS3D 3D models to various formats - free and online. No MilkShape 3D or or other 3D software needed.
MS3D to OBJ
MS3D to FBX
MS3D to 3DS
MS3D to STL
MS3D to PLY
MS3D to GLTF
MS3D to X
MS3D to X3D
MS3D to GLB
MS3D to 3MF
MS3D to ASSBIN
MS3D to STP
Convert a file to MS3D
To convert other file formats to the "Legacy 3D Model File" file type, you need software like MilkShape 3D or a similar tool.
About MS3D files
The .MS3D file is a proprietary 3D model format native to MilkShape 3D, a legacy 3D modeling program created by Chumbalum Soft. Originally developed for modifying game assets in titles like Half-Life and The Sims, it primarily stores low-polygon geometry, basic textures, UV maps, and skeletal animations.
Opening an .MS3D file today is a major technical challenge. The native MilkShape 3D software is highly outdated, lacks modern rendering features, and is rarely used outside of retro game modding. More importantly, modern industry-standard 3D software like Blender or Autodesk Maya do not natively support the format, requiring users to hunt down obscure, unsupported community plugins just to import the geometry. The format is also completely unsupported by modern web browsers, 3D viewers, and modern game engines like Unity or Unreal Engine.
To make the file usable in a modern pipeline, you must convert it. For basic static meshes and cross-platform editing, convert the .MS3D file to OBJ. If you need to preserve the skeletal animations and rigging for a modern game engine, convert it to FBX. For web deployment, AR, and easy sharing, target GLB or GLTF. Drag and drop your file here to analyze and convert it - free, online, and without installing obsolete software.
Use Convert.Guru to open and convert your MS3D file.
If you want to convert MS3D file to DAE, MAX, BLEND, MA, MB, C4D or WRL, you can use MilkShape 3D or similar software from the "Low-polygon 3D modeling" category. In the File menu, look for Save As… or Export….
To convert DWG, DAE, X3D, IGES, WRL, JT, SKP, 3DS, 3DM, OBJ, STEP or FBX files to MS3D, try MilkShape 3D or another comparable tool in the "Low-polygon 3D modeling" category.
The MS3D Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MS3D converter.