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Binary and files

Move between byte representations, compression layers, signatures, strings, and machine instructions.

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Binary and files

Intermediate2 stepsUnpack a Gzip hexdumpCross a text representation and compression layer in one workflow.Intermediate2 stepsDecode Base64 and GunzipRecover text wrapped first in Gzip and then in Base64.Intermediate2 stepsDecode hexadecimal XOR dataConvert hex to bytes and reverse a single-byte XOR operation.Beginner2 stepsDetect a file type from its headerRebuild bytes from hex and identify the format by its signature.Beginner2 stepsExtract strings from binary bytesRecover printable ASCII runs from a small binary sample.Advanced1 stepsDisassemble benign x86 bytesTurn a short synthetic x86 machine-code sequence into assembly instructions.Advanced8 stepsReconstruct bytes from a Java signed arrayExtract a Java byte array, convert negative values to unsigned bytes, rebuild the binary, and display its hexadecimal signature.