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Convert ASCII to Hex

Convert ASCII text to hex for debugging and protocols

Input + outputConvert ASCII text into hex output
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ASCIIHexConvert
Convert ASCII To Hex Online

This tool is designed to be user-friendly, swift, and dependable, aiding you in converting ASCII strings to Hexadecimal codes.

What is ASCII?

ASCII (American Standard Code for Information Interchange) is a character encoding standard used to represent text in computers and other devices that use text.

What is Hexadecimal (Hex)?

Hexadecimal is a base-16 number system commonly used in digital systems. It is a more human-friendly way of representing binary data.

Why convert ASCII to Hex?

Hex makes byte values easier to inspect in debugging, protocols, and test fixtures. It is more verbose than the original ASCII text because each byte becomes two hex characters.

Why Use Our ASCII to Hex Converter?
  • Two-digit bytes: Every ASCII code point is padded to exactly two hex characters.
  • Input validation: Characters outside standard ASCII are rejected instead of producing ambiguous output.
  • Browser processing: The conversion runs locally and the input is not sent to us.
How do I encrypt ASCII and Hex data?

You can use the Encrypt Tool to encrypt hex, ASCII, text and strings online.

ASCII to Hex Conversion table
ASCII CharacterHexadecimal
NUL0
SOH1
STX2
ETX3
EOT4
ENQ5
ACK6
BEL7
BS8
HT9
LF0A
VT0B
FF0C
CR0D
SO0E
SI0F
DLE10
DC111
DC212
DC313
DC414
NAK15
SYN16
ETB17
CAN18
EM19
SUB1A
ESC1B
FS1C
GS1D
RS1E
US1F
Space20
!21
"22
#23
$24
%25
&26
'27
(28
)29
*2A
+2B
,2C
-2D
.2E
/2F
030
131
232
333
434
535
636
737
838
939
:3A
;3B
<3C
=3D
>3E
?3F
@40
A41
B42
C43
D44
E45
F46
G47
H48
I49
J4A
K4B
L4C
M4D
N4E
O4F
P50
Q51
R52
S53
T54
U55
V56
W57
X58
Y59
Z5A
[5B
\5C
]5D
^5E
_5F
`60
a61
b62
c63
d64
e65
f66
g67
h68
i69
j6A
k6B
l6C
m6D
n6E
o6F
p70
q71
r72
s73
t74
u75
v76
w77
x78
y79
z7A
{7B
|7C
}7D
~7E
DEL7F

This table represents the 128 standard ASCII code points from 0 to 127 (7F in hex). Values from 128 to 255 belong to other character encodings, not standard ASCII.