Extract text from Kinemac objects (KMCOBJ)
To convert KMCOBJ objects to another format, you need Kinemac or other 3D software.
To convert other file formats to the "Proprietary 3D Sprite" file type, you need software like Kinemac or a similar tool.
A .KMCOBJ file is a proprietary 3D sprite asset used primarily for real-time 3D animations and presentations. It stores a package of 2D images, 3D meshes, textures, and specific animation parameters.
These files were exclusively created and opened by Kinemac, a legacy 3D animation application designed specifically for older versions of Mac OS X.
The main disadvantage of the .KMCOBJ format is its completely closed ecosystem. Because the software is discontinued and no public specification exists, the format is entirely inaccessible on modern operating systems. Users face extreme vendor lock-in. Modern 3D suites like Blender or Cinema 4D cannot open or import these files natively.
To preserve your data, you must convert these files to universal formats. The best targets are OBJ or FBX for static 3D geometry, and MOV or MP4 for rendered animations. Converting to these standard formats guarantees future access, though proprietary animation physics or specific lighting setups native to Kinemac will likely be lost.
This file format is exceptionally difficult to open or convert because it relies on undocumented, proprietary binary structures. Standard online converters fail because they do not possess the required algorithms to decode the proprietary mesh and keyframe data. Often, only the original software can properly read or export the data. If our analysis detects a supported underlying or embedded format, like a standard texture image, viewing or partial conversion may still be possible.
Convert.Guru analyzes your KMCOBJ file, detects the exact format, and lets you read the text inside.
If you want to convert KMCOBJ file to OBJ, FBX, DAE, 3DS, MAX, BLEND, MA, MB, C4D, STL, PLY or WRL, you can use Kinemac or similar software from the "3D Animation Sprite Storage" 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 KMCOBJ, try Kinemac or another comparable tool in the "3D Animation Sprite Storage" category.
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 KMCOBJ converter.