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3D object graphics
File type: 3d graphics, CAD-CAM-CAE file
Files with obj extension can be found as common 3d objects saved using various 3D modeling and CAD modeling tools.
Found 3 different file type records with the same obj filename suffix.
File type category:
3d graphics, CAD-CAM-CAE file
Date updated: June 21, 2025
File extension obj is commonly used for a standardized files that contain 3D objects. This extension is used by various 3D graphic programs for universal object format.
Back in the mid 1980s a UNIX program called "Wavefront Visualizer" was created which used many different ASCII file formats to move 3D data from one module to another (this was before modern user interfaces were developed) - OBJ was used to convey the geometry data and MTL used to convey the material information. All of those sub-file formats became obsolete over time. However, in the early 1990s, Okino, Viewpoint, Alias and Wavefront Corp. came to bring the OBJ and MTL file formats back from the dead of the old Wavefront Visualizer days of the mid 1980s. OBJ + MTL files are "acceptable" for transferring basic mesh data, but the OBJ file format will not allow for the conversion of any hierarchy information, complex materials, lights, cameras, animation, meta data, skinning, etc. The OBJ file format is also verbose ASCII so it can end up creating large files.
Usually a simple data-format that represents only the 3D geometry, such as the position of each vertex, the texture coordinate associated with a vertex, the normal at each vertex, and the faces that make each polygon. Sometimes also known as Wavefront 3D objects.
Use CADRazor, Blender and other 3D modeling tools to open *.obj files.
Generally speaking, various 3D objects can be converted to other 3D/CAD graphic formats like .3ds, .ply, .sat, .skp etc. and many 3d formats can be exported into .obj file format.
Software applications that can open obj files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
On-line services
Software applications that can edit obj files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
On-line services
Software capable of saving obj files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
On-line services
Programs for viewing obj files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
Software apps that create obj files:
Microsoft Windows
Apple macOS / Mac OS X
Multiplatform
Software apps that convert obj files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import obj files:
Microsoft Windows
CADRazor
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
On-line services
3D Transform
Software apps that export obj files:
Microsoft Windows
CADRazor
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
On-line services
Software apps that print obj files:
Apple macOS / Mac OS X
Multiplatform
Software applications that handle other tasks involving obj files:
Microsoft Windows
Apple macOS / Mac OS X
File type category:
Source code and script file
Date updated: November 9, 2017
Record marked as obsolete and not updated for a long time.
The obj file extension is associated with the Intel Object Module Format.
The Relocatable Object Module Format is an object file format used primarily for software intended to run on Intel 80x86 microprocessors.
It was originally developed by Intel under the name Object Module Format, and is perhaps best known to MS-DOS users as an obj file. It has since been standardized by the Tool Interface Standards Committee.
It seems to be obsolete product.
File type category:
Source code and script file
Date updated: September 9, 2024
The obj file extension is also related to Microsoft Visual Studio and used for one of its file types. This type of .obj files is used for object files, which are compiled to binary file format but not linked.
Linking of object files is doing with LINK tool. The object files (obj) are used to generate libraries and executables.
LINK accepts .obj files that are either Common Object File Format (COFF) or 32-bit Object Module Format (OMF). Microsoft's Visual C++ compiler creates COFF ..obj files.
Use any of the Microsoft Visual Studio suites to work with the *.obj files.
A conversion of this file is unlikely, it's a compiled file already.
Software applications that can open obj files:
Multiplatform
Software applications that can edit obj files:
Multiplatform
Software capable of saving obj files:
Multiplatform
Software apps that create obj files:
Multiplatform
Software applications that handle other tasks involving obj files:
Multiplatform
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