J7Z is an alternative to popular file archiver programs such as Winzip, Winrar, WinACE, etc. In fact, it was created as an alternative to the front-end of 7-Zip, a freeware program.
The program supports most of what 7-Zip does and can compress and decompress a multitude of different archive files like ZIP, 7Z, RAR, BZip2, ACE, Zip, Tar and others include ISO and CHM. For compression, you can choose between different compression methods such ultra compression or simply no compression.
Version 1.4.1-1 is a freeware program which does not have restrictions and it's free so it doesn't cost anything.
Virus and Malware Tests: The program has been tested with several antivirus applications and has tested clean of viruses, malware or trojans.