Convert ChemWindow drawings (CWG) online for free
The converter easily converts your CWG drawings to various formats - free and online. No ChemWindow or or other Vector Image software needed.
To convert other file formats to the "Chemical Drawing" file type, you need software like ChemWindow or a similar tool.
The .CWG extension typically identifies a ChemWindow Drawing file, a legacy vector graphics format created by Bio-Rad's ChemWindow software. These files store specialized 2D chemical structures, reactions, and laboratory setup diagrams used in scientific publishing and reporting. Because .CWG is a proprietary format associated with older versions of chemical suites, researchers often face significant friction when trying to open these files in modern tools like ChemDraw or MarvinSketch. The proprietary lock-in means users without a licensed copy of the original software cannot view their data, rendering valuable research inaccessible. To resolve this, convert .CWG files to open chemical standards like MOL or SDF for editing, or to PDF and PNG for archiving and publication.
A less common but notable use of the extension is for Game Save files, specifically associated with PlayStation titles like Chrono Cross or classic PC games like Castle Wolfenstein. These binary files store player progress and are generally not meant for human viewing, though they may be manipulated using hex editors or specific emulator tools.
Use Convert.Guru to open and convert your CWG file.
Users also converted DWG, JDX, CDXML and RXN files.
If you want to convert CWG file to , you can use ChemWindow or similar software from the "Chemical Structure Diagrams" category. In the File menu, look for Save As… or Export….
To convert files to CWG, try ChemWindow or another comparable tool in the "Chemical Structure Diagrams" 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 CWG converter.