Convert Hexadecimal - Ascii and Ascii to Hex


VIDEO guide hex to ascii at the end

Convert HEX to ASCII

To use this online HEX to ASCII converter tool, type a hex value like "492077616e742031303030206170706c6573" into the left field below, and then press Convert

HEX text:

Convert ASCII to HEX

To use this online ASCII to HEX converter tool, type an ascii text like "I want to convert hexadecimal apples into ascii" into the field below, and then press Convert

ASCII text:

or use the Hex to decimal Converter

How Hex to ascii conversion works

The simple method is to just convert each character of the input string according to the conversion table on the right.

 

JavaScript implementation of hex to ascii conversion

var asciiValue="1234567890ABCDEFGHIJ";
function asciiToHex(asciiValue){

    var arr1 = [];
    for (var n = 0, l = asciiValue.length; n < l; n ++) {
        var hex = Number(asciiValue.charCodeAt(n)).toString(16);
        arr1.push(hex);
     }
    var hexValue= arr1.join('');
    return hexValue;
    }
			

 

Java implementation of hex to ascii conversion

String asciiValue="1234567890ABCDEFGHIJ";
private static String asciiToHex(String asciiValue) {
	char[] chars = asciiValue.toCharArray();
	StringBuffer hex = new StringBuffer();
	for (int i = 0; i < chars.length; i++) {
		hex.append(Integer.toHexString((int) chars[i]));
	}
	return hex.toString();
}
			

 

C++ implementation of hex to ascii conversion

string hex = "1234567890ABCDEFGHIJ";
int len = hex.length();
std::string newString;
for(int i=0; i< len; i+=2)
{
    string byte = hex.substr(i,2);
    char chr = (char) (int)strtol(byte.c_str(), null, 16);
    newString.push_back(chr);
}
			

Hex to ASCII text conversion table

Hexadecimal Binary ASCII
Character
00 00000000 NUL
01 00000001 SOH
02 00000010 STX
03 00000011 ETX
04 00000100 EOT
05 00000101 ENQ
06 00000110 ACK
07 00000111 BEL
08 00001000 BS
09 00001001 HT
0A 00001010 LF
0B 00001011 VT
0C 00001100 FF
0D 00001101 CR
0E 00001110 SO
0F 00001111 SI
10 00010000 DLE
11 00010001 DC1
12 00010010 DC2
13 00010011 DC3
14 00010100 DC4
15 00010101 NAK
16 00010110 SYN
17 00010111 ETB
18 00011000 CAN
19 00011001 EM
1A 00011010 SUB
1B 00011011 ESC
1C 00011100 FS
1D 00011101 GS
1E 00011110 RS
1F 00011111 US
20 00100000 Space
21 00100001 !
22 00100010 "
23 00100011 #
24 00100100 $
25 00100101 %
26 00100110 &
27 00100111 '
28 00101000 (
29 00101001 )
2A 00101010 *
2B 00101011 +
2C 00101100 ,
2D 00101101 -
2E 00101110 .
2F 00101111 /
30 00110000 0
31 00110001 1
32 00110010 2
33 00110011 3
34 00110100 4
35 00110101 5
36 00110110 6
37 00110111 7
38 00111000 8
39 00111001 9
3A 00111010 :
3B 00111011 ;
3C 00111100 <
3D 00111101 =
3E 00111110 >
3F 00111111 ?
40 01000000 @
41 01000001 A
42 01000010 B
43 01000011 C
44 01000100 D
45 01000101 E
46 01000110 F
47 01000111 G
48 01001000 H
49 01001001 I
4A 01001010 J
4B 01001011 K
4C 01001100 L
4D 01001101 M
4E 01001110 N
4F 01001111 O
50 01010000 P
51 01010001 Q
52 01010010 R
53 01010011 S
54 01010100 T
55 01010101 U
56 01010110 V
57 01010111 W
58 01011000 X
59 01011001 Y
5A 01011010 Z
5B 01011011 [
5C 01011100 \
5D 01011101 ]
5E 01011110 ^
5F 01011111 _
60 01100000 `
61 01100001 a
62 01100010 b
63 01100011 c
64 01100100 d
65 01100101 e
66 01100110 f
67 01100111 g
68 01101000 h
69 01101001 i
6A 01101010 j
6B 01101011 k
6C 01101100 l
6D 01101101 m
6E 01101110 n
6F 01101111 o
70 01110000 p
71 01110001 q
72 01110010 r
73 01110011 s
74 01110100 t
75 01110101 u
76 01110110 v
77 01110111 w
78 01111000 x
79 01111001 y
7A 01111010 z
7B 01111011 {
7C 01111100 |
7D 01111101 }
7E 01111110 ~
7F 01111111 DEL
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