Convert any string into \xNN shellcode-friendly bytes, generate stack-safe assembly stubs for your favourite architectures, and visualise how the data lands in memory.

String

Supports plain text and escape sequences like \x41\x42.

Hex

Assembly

Stack visualiser

Blocks render in little-endian order with null-byte padding to keep the string stack-safe.

Enter a string to visualise how it lands on the stack.