GFSA

File Format
Name	GFSA
Ontology	Electronic File Formats Archiving GFSA
Extension(s)	.fa
Compression	lossless
Magic Bytes	GFSA
Developed By	level-5
Maintained By	FanTranslatorsInternational
[[Image:|200px|The contents of a GFSA archive in Kuriimu2]]
The contents of a GFSA archive in Kuriimu2

A compression/archiving format used by level-5 within the Nintendo DS game Professor Layton and the Last Specter aka Professor Layton and the Spectre's Call aka 『レイトン教授と魔人の笛』.

So called after the magic bytes.