Hex Encoder & Decoder
Convert UTF-8 text to hexadecimal bytes or decode hexadecimal bytes back to text.
How to Use the Hex Encoder & Decoder
Enter text to convert it into hexadecimal byte values or paste compatible hexadecimal data to decode it back into text.
Practical Example
The ASCII text Hi corresponds to hexadecimal bytes 48 69.
Factors That Affect the Result
Character encoding, byte boundaries, whitespace, invalid hex digits and odd-length input affect decoding.
Frequently Asked Questions
What is hexadecimal?
It is a base-16 number system using digits 0-9 and letters A-F.
Why does text encoding matter?
Characters must be mapped to bytes consistently for reliable round-trip conversion.
Can arbitrary binary data become readable text?
Not always; some byte sequences do not represent meaningful text in the selected encoding.