Quick Answer
How do you convert text to hex?
// Answer
Each character is encoded to its byte value(s) in UTF-8, then each byte is written as two hexadecimal digits. For example, "Hi" becomes 48 69 (H=0x48, i=0x69). Decoding reverses it: read pairs of hex digits back into bytes, then into text.
Why use this tool
For debugging and encoding
Hex is used in debugging, networking, color codes, and low-level data work. This converter handles full UTF-8, so multibyte characters and emoji encode correctly. It runs entirely on your device.
FAQ
Frequently asked questions
A base-16 number system using digits 0-9 and A-F. One byte is two hex digits (00 to FF).
Yes, output is space-separated for readability, and decoding accepts hex with or without spaces.
Yes, it uses UTF-8 so multibyte characters encode and decode correctly.
Yes, conversion runs entirely in your browser.
More tools