ZIPD
From Just Solve the File Format Problem
				
								
				Revision as of 17:52, 22 August 2023 by Parchivist  (Talk | contribs)
ZIPD 'encrypts' (no password) a zip file to a piz ('zip' backwards) file so spam filters don't recognize and delete it.
It will generate a unique file each time, even when processing the same zip file multiple times, making it harder to recognize the obfuscated file.

