ODA stands for Online DisAssembler. ODA is a general purpose machine code disassembler that supports a myriad of machine architectures.
Built on the shoulders of libbfd and libopcodes (part of binutils), ODA allows you to explore an executable by dissecting its sections, strings, symbols, raw hex, and machine level instructions.
You can use it for a variety of purposes such as:
Visualizing the control flow of a group of instructions
Disassembling a few bytes of an exception handler that is going off into the weeds
Reversing the first few bytes of a Master Boot Record (MBR) that may be corrupt
Debugging an embedded systems device driver
Malware analysis
Vulnerability research
Developing a jailbreak for the latest iPhone
Satisying your own intellectual curiosity (Does there exist some sequence of bytes that disassembles to the same logical operation for two separate platforms?)
ODA is limited by the resource constraints of the server on which it is hosted and the spare time of its creators. If you find ODA useful, have a feature request, or want to comment in any way, please drop us a line!

http://www.onlinedisassembler.com/

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