Runs locally
Hex to Text
Text to hexadecimal and back.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Operates on UTF-8 bytes. Odd-length hex and invalid UTF-8 are errors.
About this tool
Read a hex dump from a log, a packet capture or a database column, or turn text into its hexadecimal bytes. Conversion works on UTF-8, so any language is supported.
How to use it
- 01
Paste the hex or the text.
- 02
Choose decode or encode.
- 03
Copy the result.
FAQ
Frequently asked questions
Can I paste hex with spaces?
Yes. Spaces between bytes are ignored, but every byte needs two hex digits.
Why do I get an invalid UTF-8 error?
The bytes do not form valid UTF-8 text, for example because they are binary data or use another encoding.