What encoding is this based on?

It's based on UTF-8 bytes. Multi-byte characters like Korean are shown as several hex byte pairs.

Is my text sent to a server?

No. Conversion happens entirely in your browser.

🧾 Text ↔ Hex Converter

Convert text to UTF-8 byte hexadecimal values (space-separated), or the reverse.

Input

Result

How to use

Enter text, or hex values separated by spaces.
Click the conversion direction you want.
Copy the result to use it.

🎯 Use Cases

Inspect network packets or binary data
Simple data encoding/decoding
Check byte values while debugging

Example

Input

Hello 한글

Output

48 65 6c 6c 6f 20 ed 95 9c ea b8 80

Result of [Text → Hex]. Each ASCII character (Hello and the space) is one byte, while the Korean characters '한' and '글' are encoded as 3 bytes each in UTF-8, giving 12 hex byte pairs in total.

FAQ

What encoding is this based on?: It's based on UTF-8 bytes. Multi-byte characters like Korean are shown as several hex byte pairs.
Does it accept both uppercase and lowercase hex?: Yes, it's case-insensitive.
Is my text sent to a server?: No. Conversion happens entirely in your browser.