cbr to pdf

I have comic mag. in .cbr format I want to change it to .pdf format how can i do that ?
thanks very much
Answer #1
free
http://www.softpedia.com/get/Office-tools/Other-Office-Tools/CBR-to-PDF-converter.shtml
Answer #2
No need to if you are reading on a pc, get sumatra pdf it can read both formats and it’s free and very lightweight:
http://blog.kowalczyk.info/software/sumatrapdf/free-pdf-reader.html