Click the "Select File" button above, and choose your ZMX file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert ZMX to another file type
To convert ZMX files to another format, you need Zemax OpticStudio or other Cad software.
Convert a file to ZMX
To convert other file formats to the "Optical Design Lens File" file type, you need software like Zemax OpticStudio or a similar tool.
About ZMX files
The .ZMX file extension primarily represents a Zemax Optical Design file, created by Ansys Zemax OpticStudio. These files store complex optical system geometries, including lens prescriptions, glass material definitions, and ray-tracing parameters. Under the hood, these files are often formatted as plain UTF-16 (LE) text. A secondary, entirely different use for .ZMX is as a compiled application or game extension for Clickteam Fusion, structured as an EXE binary.
Working with optical .ZMX files is notoriously restrictive. Opening and simulating the full optical path requires a specialized, highly expensive subscription to Zemax OpticStudio. This creates friction when sharing models with mechanical engineers who just need the outer housing dimensions. Furthermore, proprietary formatting limits interoperability with other optical software.
To solve this, users frequently need to convert .ZMX files. For integration into mechanical CAD assemblies, convert the file to STEP or IGES so it can be imported into SolidWorks or AutoCAD. For auditing lens data without specialized software, convert or open the file as TXT to read the raw prescriptions.
Convert.Guru analyzes your ZMX file, detects the exact format, and lets you read the text inside.
Users also converted ZDA, ZAR, STEP, ZBF and DSG files.
FAQ
If you want to convert ZMX file to DWG, DXF, DGN, RVT, RFA, SKP, 3DM, STEP, IGES, SAT, X_T or X_B, you can use Zemax OpticStudio or similar software from the "Optical System Design Storage" category. In the File menu, look for Save As… or Export….
To convert SLDASM, DGN, PRT, IAM, X_B, CATPRODUCT, SLDPRT, RVT, ASM, DWG, CATPART or DXF files to ZMX, try Zemax OpticStudio or another comparable tool in the "Optical System Design Storage" category.
The ZMX 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 ZMX converter.