Free (Open Source) ISO Conversion program

[zmdmw52]

Does anyone know of a good ISO (to & from ISO archives) conversion program?

Specifically looking for a freeware/OS (open source) program, not paid ones such as UltraISO, WinISO, etc.
PS-
7-zip will read from, but not convert to .iso file.

 

[tragicallyhip]

CD burnerxp will do the trick you will find it on download.com