Byte Converter app is convert from bits,bytes,kilobit, kilobytes,megabit,megabytes,gigabit,
gigabytes to bits,bytes,kilobit, kilobytes,megabit,megabytes,gigabit,
gigabytes.

simple thing is just convert MB to KB, KB to MB, GB to KB, GB to MB, MB to bytes
, Kb to bytes.

Just use swap option to change the conversion logic.