Hex, Binary, and ASCII Converter Online

Convert text, hexadecimal, binary, and decimal both ways. Odd-length hex and invalid digits are reported. Input is not stored.

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OffsetHexASCII

How it works

  • The bytes of Hi are hex 48 69 and binary 01001000 01101001.
  • An odd number of hex digits is an error. The converter does not drop the last nibble.
  • Results update as you type. Your input is processed over HTTPS and is not stored or logged.
  • Input is limited to 256 KB per request.

Questions?

If you want to ask about Hex, Binary, and ASCII, something is unclear, or you want to suggest an improvement, mail me.

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