ASCII Table

Look up ASCII character codes in decimal, hex and binary.

CharDecHexBinary
NUL00x0000000000
SOH10x0100000001
STX20x0200000010
ETX30x0300000011
EOT40x0400000100
ENQ50x0500000101
ACK60x0600000110
BEL70x0700000111
BS80x0800001000
TAB90x0900001001
LF100x0A00001010
VT110x0B00001011
FF120x0C00001100
CR130x0D00001101
SO140x0E00001110
SI150x0F00001111
DLE160x1000010000
DC1170x1100010001
DC2180x1200010010
DC3190x1300010011
DC4200x1400010100
NAK210x1500010101
SYN220x1600010110
ETB230x1700010111
CAN240x1800011000
EM250x1900011001
SUB260x1A00011010
ESC270x1B00011011
FS280x1C00011100
GS290x1D00011101
RS300x1E00011110
US310x1F00011111
SP (space)320x2000100000
!330x2100100001
"340x2200100010
#350x2300100011
$360x2400100100
%370x2500100101
&380x2600100110
'390x2700100111
(400x2800101000
)410x2900101001
*420x2A00101010
+430x2B00101011
,440x2C00101100
-450x2D00101101
.460x2E00101110
/470x2F00101111
0480x3000110000
1490x3100110001
2500x3200110010
3510x3300110011
4520x3400110100
5530x3500110101
6540x3600110110
7550x3700110111
8560x3800111000
9570x3900111001
:580x3A00111010
;590x3B00111011
<600x3C00111100
=610x3D00111101
>620x3E00111110
?630x3F00111111
@640x4001000000
A650x4101000001
B660x4201000010
C670x4301000011
D680x4401000100
E690x4501000101
F700x4601000110
G710x4701000111
H720x4801001000
I730x4901001001
J740x4A01001010
K750x4B01001011
L760x4C01001100
M770x4D01001101
N780x4E01001110
O790x4F01001111
P800x5001010000
Q810x5101010001
R820x5201010010
S830x5301010011
T840x5401010100
U850x5501010101
V860x5601010110
W870x5701010111
X880x5801011000
Y890x5901011001
Z900x5A01011010
[910x5B01011011
\920x5C01011100
]930x5D01011101
^940x5E01011110
_950x5F01011111
`960x6001100000
a970x6101100001
b980x6201100010
c990x6301100011
d1000x6401100100
e1010x6501100101
f1020x6601100110
g1030x6701100111
h1040x6801101000
i1050x6901101001
j1060x6A01101010
k1070x6B01101011
l1080x6C01101100
m1090x6D01101101
n1100x6E01101110
o1110x6F01101111
p1120x7001110000
q1130x7101110001
r1140x7201110010
s1150x7301110011
t1160x7401110100
u1170x7501110101
v1180x7601110110
w1190x7701110111
x1200x7801111000
y1210x7901111001
z1220x7A01111010
{1230x7B01111011
|1240x7C01111100
}1250x7D01111101
~1260x7E01111110
DEL1270x7F01111111

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How it works

The tool shows the standard ASCII table — codes 0 to 127 — with each character's decimal, hexadecimal, and binary value, plus a name for control characters. You can search by code number or by typing a character to jump to its row. ASCII is the foundation of text encoding, mapping letters, digits, and symbols to numbers. The whole table is bundled in the page, so lookups are instant and work offline.


              'A' = 65 = 0x41 = 0100 0001
            

Common use cases

  • Finding the decimal or hex code for a character.
  • Looking up a control character like tab or newline.
  • Checking ASCII values while debugging encoding issues.

Frequently asked questions

What is the difference between ASCII and Unicode?

ASCII covers 128 characters (codes 0–127) — basic English letters, digits, and symbols. Unicode is a superset that includes ASCII and adds hundreds of thousands of characters for every writing system and emoji.

What are control characters?

Codes 0–31 (and 127) are non-printing control characters like tab, newline, and carriage return, used to format or control text rather than display a glyph.

Can I search the table?

Yes. Enter a code number or a character and the table filters to the matching row instantly.