Hex Encoder
Convert text into hexadecimal bytes.
● Your data is processed locally in your browser and is never uploaded to our servers.
How it works
Each character is encoded in UTF-8, then each byte is written as two hex digits: “A” → 41, “é” → C3 A9, “😀” → F0 9F 98 80. Choose the separator that matches where you'll paste the result (C strings use \x, many tools use spaces or colons).