tools / Reverse Engineering & CTF

Hexdump / Hex Viewer

Paste text, a hex string or base64 and get a proper hexdump with offsets and an ASCII column, the same layout as xxd. Handy for eyeballing a payload, a file header, or whatever landed in your buffer.

hexdump
00000000  48 65 6c 6c 6f 2c 20 77  6f 72 6c 64 21 20 44 72  |Hello, world! Dr|
00000010  6f 70 20 62 79 74 65 73  20 68 65 72 65 2e        |op bytes here.|
0000001e

How it works

What you are looking at

The left column is the byte offset in hex, the middle is the raw bytes as two-digit hex in groups of eight, and the right column shows the printable ASCII with a dot standing in for anything non-printable.

FAQ

How is this different from an online hex converter?

It keeps the offset and ASCII columns, so you can read structure at a glance rather than staring at one long hex string.

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