GD Library picture
File type: Graphics file
Files with gd extension can be typically encountered as pictures from GD Library programming source code.
Found 2 different file type records with the same gd filename suffix.
File type category:
Graphics file
Date updated: August 2, 2022
File extension gd is associated with the GD Library, a programming open source code library for the dynamic creation of images.
A .gd file stores picture image stored in GD Library graphics file format.
As far as we know, only GD Library can access these *.gd pictures.
Perhaps some kind of export or conversion to another graphics formats is possible.
Programs for viewing gd files:
Multiplatform
Software apps that create gd files:
Multiplatform
File type category:
Various data file
Date updated: October 26, 2026
The gd file extension is associated with STK (Systems Tool Kit), a physics-based software geometry engine developed by Analytical Graphics, Inc. (AGI), now part of Ansys.
A gd file stores database update information used by STK. It is a supporting data file for the application rather than a general-purpose interchange format.
Use STK on Microsoft Windows to work with gd files. These files are normally used by STK as part of its database update process rather than opened as standalone documents.
GD files are supporting STK database files and are not intended for conversion to a general-purpose format. STK may be able to export associated data to other supported formats when required.
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