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