Click the "Select File" button above, and choose your NC file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert NC to another file type
The converter easily converts your NC file to various formats - free and online. No AutoCAD or extra software needed.
Convert a file to NC
The converter also works in reverse, so you can convert other Data formats to NC with high quality output.
About NC files
The .nc extension primarily refers to the NetCDF (Network Common Data Form) format, a standard for exchanging complex scientific data like meteorological arrays, oceanographic measurements, and GIS climate models. These files are highly efficient for storing multi-dimensional variables (e.g., temperature over time and space) but are notoriously difficult to access for non-specialists. Because .nc files are binary and self-describing, you cannot simply open them in standard spreadsheet software like Microsoft Excel or text editors. To extract readable data, users typically need programming skills in Python or MATLAB, or specialized viewers like Panoply or HDFView.
For broader accessibility, the best solution is converting .nc files to CSV or XLSX for tabular analysis, JSON for web integration, or GeoTIFF/KML for use in GIS applications like QGIS.
A secondary but common use of the .nc extension is for Numerical Control (CNC) files. These contain G-code instructions used to drive manufacturing tools like milling machines and 3D printers. While often plain text, they are optimized for machine logic rather than human reading. Converting these to TXT or PDF allows engineers to document toolpaths or audit code without specialized CAM software like Mastercam or Fusion 360.
Use Convert.Guru to open and convert your NC file.
If you want to convert NC file to C, IC, DXF, CSV, DBA, PC, SVG, DB, DWG, DGN, RVT or RFA, you can use Unidata NetCDF or similar software from the "Scientific Data & CNC Instructions" 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 NC, try Unidata NetCDF or another comparable tool in the "Scientific Data & CNC Instructions" category.
The NC 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 NC converter.