MediaWiki:Exif-software/qqq

Short for "The software which was used to create or modify this image".

The property can come from the Exif Software tag, PNG software chunk, iptc-iim 2:65 Software field, or XMP's xmp:CreatorTool field.

Exif is a format for storing metadata in image files. See this Wikipedia article and the example at the bottom of. The tags are explained briefly and in further detail.