Convert C4 files online for free
The converter easily converts your C4 file to various formats - free and online. No WinRAR or extra software needed.
The converter also works in reverse, so you can convert other Cad formats to C4 with high quality output.
The .c4 file extension typically represents a MEDUSA CAD Drawing, a 2D/3D design format originally developed by Prime Computer and now managed by CAD Schroer. These files are utilized in mechanical and plant engineering for detailed schematics. A secondary but significant use of the .c4 extension is for JEDMICS (Joint Engineering Data Management Information and Control System) files, which are CALS Type 4 raster images - a legacy standard used heavily by the US Department of Defense for archiving engineering blueprints.
Users frequently encounter difficulties with .c4 files because they are effectively "locked" inside niche, industrial software environments. MEDUSA files are not compatible with standard viewers like the default Windows Photo Viewer or macOS Preview, and opening them often requires an expensive license for the full MEDUSA4 suite. Similarly, JEDMICS .c4 files are bi-tonal raster images compressed with algorithms that modern web browsers do not support natively.
To make these files accessible for teams, clients, or long-term storage, the best practice is conversion. For reviewing and sharing engineering data without specialized software, convert .c4 to PDF or PDF/A. If you need to edit the vector geometry in widely used software like AutoCAD, convert MEDUSA files to DWG or DXF. For preserving the exact pixel data of legacy JEDMICS scans, convert them to standard TIFF or PNG images.
Use Convert.Guru to open and convert your C4 file.
Users also converted WEBP, HPD, P, PDF, ZIP, XLSX, STP, CAL, PIC, DCX and C3 files.
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 C4 converter.