Online Convert Text to Hexadecimal
Encode text to hexadecimal (hex). Each character becomes UTF-8 bytes in hex (e.g. Hello → 48656c6c6f). Client-side only.
Frequently Asked Questions
- What is hex encoding?
- Each byte of the text (UTF-8) is written as two hexadecimal digits (0–9, A–F). So one ASCII character = 2 hex digits.
- Format of output?
- By default a continuous hex string. You can optionally add spaces between bytes for readability.
- Does it support Unicode?
- Yes. Text is encoded as UTF-8 first, so multi-byte characters produce multiple hex pairs.
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