Convert fbx to mb

Convert FBX to MB

Convert FBX to Maya Binary (.mb) with Maya and check scene data carefully.

Convert FBX files online

We don’t have a dedicated online converter for FBX to MB yet, but you can convert FBX files online to these and more formats:

How to convert fbx to mb file

Source format: FBX

FBX is a widely used 3D interchange format developed by Autodesk. It is common in game development, animation, VFX, and 3D content creation pipelines because it can store meshes, materials, textures, skeletons, skin weights, animation curves, cameras, and lights. Artists often use FBX to move assets between tools such as Blender, Maya, 3ds Max, Unity, and Unreal Engine.

Target format: MB

MB usually means Maya Binary, the native binary scene format used by Autodesk Maya. It is designed for efficient storage and loading of Maya scenes and can preserve Maya-specific scene data better than interchange formats. MB files are commonly used by Maya artists and studios working on animation, modeling, rigging, and visual effects.

How to convert FBX to MB

The most reliable way to convert FBX to MB is with Autodesk Maya, because MB is Maya’s native format and Maya can import FBX directly.

  1. Open Autodesk Maya.
  2. Import the FBX file using File → Import.
  3. Select your .fbx file and confirm the import options if needed.
  4. Check the scene for geometry, materials, skeletons, and animation.
  5. Save the scene as a Maya Binary file using File → Save Scene As.
  6. Choose Maya Binary as the file type and save with the .mb extension.

If you need to preserve animation or rigging, verify the imported scene before saving, since FBX-to-Maya translation can sometimes alter naming, constraints, or material assignments.

Best desktop software: Autodesk Maya is the best choice for this conversion. If you do not have Maya, Blender can import FBX, but it does not natively save to MB; it is better suited for converting FBX to other formats, not MB.

Online converters: Reputable online services are generally not recommended for FBX to MB conversion because MB is a Maya scene format and usually requires Maya-compatible scene handling. If you must use a web tool, check carefully that it supports FBX import and Maya Binary export, but desktop Maya is far more dependable.

Quality, compatibility, and limitations

FBX to MB is not a simple one-to-one file transcode. FBX is an interchange format, while MB is a full Maya scene file. During conversion, Maya may reinterpret or discard data that does not map cleanly to its native scene structure.

  • Animation: Usually imports well, but complex constraints or custom rigs may need cleanup.
  • Materials: Basic materials often transfer, but shader networks may not match exactly.
  • Textures: Texture paths may break if files are moved; relink them if necessary.
  • Units and scale: Check scene scale after import, especially for game assets.
  • Version compatibility: Older FBX files may import differently depending on Maya version and FBX plugin support.

For best results, use the same or a compatible version of Maya across your pipeline, and always inspect the imported scene before saving the final .mb file.

FBX vs MB: format comparison

How the FBX and MB formats compare on the properties that matter most for this conversion.

Comparison of the FBX and MB file formats
Property .FBX Filmbox .MB Autodesk Maya Binary Scene File
Geometry Both Both
Materials Limited Yes
Textures Embedded in the file Referenced externally
Animation Yes Yes
Scene hierarchy Yes Yes
Plain-text readable No No
Typical file size Large Medium
Open standard Partly open No
Introduced 1996
Developer Autodesk Autodesk
MIME type application/octet-stream