XWD

File Format
Name	XWD
Ontology	Electronic File Formats Graphics XWD ; ; ;
Extension(s)	.xwd
PRONOM	fmt/401, x-fmt/300

XWD (X Window Dump) is a raster image file format used by the X Window System.

There are two versions of it: X10 and X11. They have different header formats and capabilities.

There is no official specification, and it is challenging to decode all the possible types of XWD images.

Some sources list .xdm as an alternate file extension, but others imply that xdm files have a different format.

Specs

File Format
Name	XWD
Ontology	Electronic File Formats Graphics XWD
Extension(s)	`.xwd`
PRONOM	fmt/401, x-fmt/300