XOpcodeCalc

x86 and x86-64 opcode and assembly calculator for macOS, Linux and Windows

Desktopfree

XOpcodeCalc is a cross-platform desktop calculator for x86 and x86-64 opcodes, converting between assembly instructions and machine code. It runs on macOS, Linux and Windows and is aimed at reverse engineers, malware analysts and low-level developers who need to check instruction encodings while working with disassembly.

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