ASCII Text to Hex Converter

Enter ASCII/Unicode text and press Convert (e.g. enter "Hello" to get "48 65 6C 6C 6F"):

From

To

Paste text or drop a text file

Output delimiter

Prefix

How to Convert Text to Hex

To convert ASCII text to hexadecimal:

Get each character from the text string
Look up its ASCII decimal code from the ASCII table
Convert the decimal value to a 2-digit hex number
Continue with each character

Example

Convert "Hello" to hex:

'H' = 72 = 48₁₆
'e' = 101 = 65₁₆
'l' = 108 = 6C₁₆
'l' = 108 = 6C₁₆
'o' = 111 = 6F₁₆

Result: 48 65 6C 6C 6F

How to Use ASCII to Hex Converter

Paste text in the input box (or open a file).
Select output delimiter (space, comma, none, etc.).
Optionally enable the 0x prefix.
Press the Convert button.

ASCII Text to Hex Conversion Table

Printable ASCII characters with their hex, decimal, and binary equivalents:

Char	ASCII	Hex	Binary		Char	ASCII	Hex	Binary

See Also