Before diving into the conversion process, it helps to understand what these file extensions actually represent:
WinRAR is the gold standard for creating RAR files, but it is a paid software (trial version). Critically, WinRAR does not natively open .BIN files. To get data out of a BIN file with WinRAR, you would need a third-party virtual drive (like Daemon Tools) to mount the BIN as a virtual CD drive, and then use WinRAR to compress the mounted drive to RAR. This requires two separate paid or complex tools. IZArc does it all in one lightweight, free package. bin file to rar converter exclusive