I was going to mention xzgv myself. Frankly, I think it's the best one around. Simple, efficient, does all the popular image formats, and doesn't get in the way visually.
Try it out, seriously. It's a tiny download, about 290 kilobytes of source. And it works.
Copyright © 2017, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds