Common Data Format

File Format
Name	Common Data Format
Ontology	Electronic File Formats Scientific Data formats Common Data Format
Extension(s)	.cdf
MIME Type(s)	application/x-cdf

The Common Data Format (CDF) is a file format and associated APIs designed by NASA for multi-dimensional datasets. It has largely been supplanted by the (mostly unrelated, except in name) netCDF.

Identification

The version 3 examples start with byte sequence CD F3 00 01, the middle ranged versions (2.6 and 2.7) begin with CD F2 60 02 and older versions 2.5 or earlier start with byte sequence 00 00 FF FF.

Specifications

• CDF Home Page → Documentation → CDF Internal Formats Document

Software

• CDF Home Page → Download CDF Software ...

Sample files

• https://cdaweb.gsfc.nasa.gov/pub/software/cdf/cdf_test_files/

Links

• CDF Home Page
• Wikipedia:Common Data Format