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Hexadecimal to ASCII Text Converter

Decode hexadecimal byte strings back to readable ASCII and Unicode text.

How to use it

  • Paste hex byte pairs to decode text.

Examples

48 65 6c 6c 6fHello

This reads a hex string two digits at a time, converts each pair back to a decimal byte value (0-255), and maps that to the ASCII or UTF-8 character it represents. 48 in hex is 72 in decimal, which is 'H'. Spaces, colons or no separator at all are all accepted — the tool splits the string into 2-character pairs automatically.

Where this comes up

  • Reading hex dumps from a network packet capture, log file or memory inspector as plain text
  • Decoding a hex-encoded string returned from an API or embedded device
  • Solving CTF or puzzle challenges where a message is given as raw hex bytes
Runs entirely in your browser. Nothing you type is uploaded, logged or shared.

Last updated 18 August 2026