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Hex Converter

Convert text to hexadecimal and hex back to text.

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Questions
How are non-ASCII characters handled?
Text is encoded as UTF-8 before conversion, so a character like é produces two bytes (C3 A9) rather than one. Decoding reverses this, interpreting the byte sequence as UTF-8.
What separators does the decoder accept?
The decoder is permissive: spaces, colons, commas, newlines, 0x prefixes and \x prefixes are all stripped before parsing. You can paste a hex dump from almost any source and it will parse, as long as the remaining digits form whole bytes.