Click the "Select File" button above, and choose your Z3 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert Z3 to another file type
To convert Z3 CAD models to another format, you need ZW3D or other Cad software.
Convert a file to Z3
To convert other file formats to the "3D CAD Part File" file type, you need software like ZW3D or a similar tool.
About Z3 files
The .z3 file extension primarily denotes a 3D CAD part or assembly file created by ZW3D, a proprietary CAD/CAM software. Secondary uses include classic text adventure game data files for the Z-machine and SMT-LIB formatted input scripts for the Microsoft Z3 Theorem Prover. A key problem with .z3 CAD files is their closed, proprietary nature. You cannot open them natively in standard web browsers, document viewers, or competing CAD platforms like AutoCAD or SolidWorks without specialized importers or active ZW3D licenses. This creates friction when sharing engineering designs with clients, manufacturers, or third-party contractors who do not use ZWSOFT products. To resolve accessibility issues, you must convert .z3 files into universal industry formats. For cross-platform 3D editing and manufacturing, convert to STEP or IGES. For 3D web viewing and client presentations, convert to GLTF or OBJ.
Convert.Guru analyzes your Z3 file, detects the exact format, and lets you read the text inside.
If you want to convert Z3 file to EXE, ISO, BIN, CUE, PAK, WAD, PK3, PK4, BSP, MAP, SAV or DAT, you can use ZW3D or similar software from the "3D CAD Model Storage" category. In the File menu, look for Save As… or Export….
To convert MOD, BIN, CFG, SCX, DAT, MPQ, LOG, CUE, INI, EXE, SCM or ISO files to Z3, try ZW3D or another comparable tool in the "3D CAD Model Storage" category.
The Z3 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 Z3 converter.