Universal Material Converter

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Date Updated: 

This Universal Material Converter is an enhanced version of the old AMC script. It convert materials between renderengines. It converts from Autodesk Materials and also converts textures as much as possible when needed.
Currently supported renderengines are: MentalRay, V-Ray, iRay, Corona, Scanline, FStorm, ART, Arnold, Octane, Redshift (beta)
Coming up: Maxwellrender (maybe)

You will need at least have a demo version of the renderengines installed if you want to be able to support conversions.

While for example converting a V-Ray material to Corona, it will also convert bitmaps to Corona-bitmaps and VRayDirtmap to CoronaAO.

This script is available from our webshop: https://3dstudio.nl/hikashop-menu-for-brands-listing/product/universal-m...
It comes with an .mzp installer, automatic renderengine check, check on duplicate materials (to make them instances). And the option to bake procedural textures to bitmaps when converting to Standard material, so you can export to several VR engines.

We have 2 videos on youtube to explain installation and usage

-- added 2018-07-10
version 1.6.2 is available, with support for OSL textures, Max2019, V-Ray NEXT, Corona v2 and it now will also check for duplicate materials that are nested.
A new feature is the option to load your own matlib file to get source materials from. (during conversion, it will check the matlib for a material with the same name and use that to replace instead of convert)

-- added 2019-12-16
version 1.8 is available. With support for Max2020, latest versions of all supported renderers. Support for FStormrenderer, basic support for RedShift, and support for conversions from Octane. Also new is the User Interface, the option to save/load your conversion preset and a VR mode for conversion to V-Ray, to bake procedurals and colorcorrections for export to Unreal (through V-Ray)

-- added 2020-07-01
version 1.95: V-Ray 5, Octane 2020.x and 3dsMax2021 support. Development for mentalray and iray conversion has stopped.

Additional Info: 

- added support for VRayOverrideMtl
- added support for VRayMtlWrapper
- added support for GTA3 material
- bugfixes based on user input
- conversion refinement based on user input
- added support for Autodesk Checker
- added support for Autodesk Gradient
- added VR mode (to correctly convert to scanline/standard when you want to go to Unity or Unreal)
- added dispersion override
- added subdivs/samples override
- load source matlib
- added support for FStorm
- added basic support for RedShift
- added support for conversion from Octane
- added new interface
- added better baking options
- added VR mode for V-Ray
- added load/save conversion presets
- added 1-click undo *(watch out, on large conversions, this can cause a crash!!)

Version Requirement: 
3dsMax 2017 and up
Other Software Required: 
V-Ray 3 or newer, iRay, Corona 1 or newer, MentalRay, Arnold, ART, FStorm, RedShift, Octane (demo license at least, no support for alpha or beta versions)
Video URL: 


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3di's picture

redshift and fstorm?

redshift and fstorm support?

Damn you computer.

Stephkenzo's picture

About Octane support

Hello, great project and great concept.
Just a question, why is the Octane support cancelled? Is it final? I was actually greatly interested in that part, so I am quite sad to read this...

river's picture


it's true?

Stefan Twigt's picture

yes it does

yes it does

AdvisoryLemon's picture

VRAY to Physical?

Is this script able to convert VRAY materials to Arnold or ART Physical Materials?

Stefan Twigt's picture

new version released

Version 1.6 has been released. Support for 3dsMax 2019, V-Ray NEXT, Corona v2, nested instanced materials. And a new feature to load a source matlib. Upon conversion materials will be replaced with materials from the matlib which have the same name.

Up next: commandline version (seperate build!)

Stefan Twigt's picture


development for octane has been cancelled. Arnold is add though, and the next update will include V-Ray NEXT support.

Stefan Twigt's picture

Hi, yes, Arnold is already

Hi, yes, Arnold is already included. (Only standard surface material and default textures).
(to convert from and to..)

aepete02's picture

Hi, will Arnold be included

Hi, will Arnold be included eventually?


junsunkr's picture

I purchased your products.

I purchased a " Universal Material Converter " product and waited for the mail.
By the way, mail does not come.
What should I do?
Do I have to wait any longer?
Or should I cancel the purchase?
I am waiting very much.
Please answer quickly.

Below is my purchase information.


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