Bit Fiddle 1.4.3 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Bit Fiddle for Mac lies within Developer Tools, more precisely Debugging Tools. We recommend checking the downloaded files with any free antivirus. This free Mac application was originally developed by Manderim GmbH.
From the developer:
Bit Fiddle helps you convert artibtrary large decimal, hexadecimal, or binary numbers, as well as ASCII characters. You can compute the 1's complement or the 2's complement. You can alter the byte order of the input to convert between Little and Big Endian. You can view a simple ASCII table with additional information for each character.
You may want to check out more Mac applications, such as Bitly, BIT.TRIP BEAT or 8-Bit Commando, which might be similar to Bit Fiddle.
Debugging Tools
Debugging Tools