ASCII & Unicode Table

Free

Complete ASCII reference with decimal, hex, octal, binary and HTML entities. Searchable.

Control (0-31)

Space (32)

Printable (33-126)

DEL (127)

Char	Dec	Hex	Oct	Binary	HTML	Description
NUL	0	00	000	00000000		NUL (Null)
SOH	1	01	001	00000001		SOH (Start of Heading)
STX	2	02	002	00000010		STX (Start of Text)
ETX	3	03	003	00000011		ETX (End of Text)
EOT	4	04	004	00000100		EOT (End of Transmission)
ENQ	5	05	005	00000101		ENQ (Enquiry)
ACK	6	06	006	00000110		ACK (Acknowledge)
BEL	7	07	007	00000111		BEL (Bell)
BS	8	08	010	00001000		BS (Backspace)
HT	9	09	011	00001001		HT (Horizontal Tab)
LF	10	0A	012	00001010		LF (Line Feed)
VT	11	0B	013	00001011		VT (Vertical Tab)
FF	12	0C	014	00001100		FF (Form Feed)
CR	13	0D	015	00001101		CR (Carriage Return)
SO	14	0E	016	00001110		SO (Shift Out)
SI	15	0F	017	00001111		SI (Shift In)
DLE	16	10	020	00010000		DLE (Data Link Escape)
DC1	17	11	021	00010001		DC1 (XON)
DC2	18	12	022	00010010		DC2
DC3	19	13	023	00010011		DC3 (XOFF)
DC4	20	14	024	00010100		DC4
NAK	21	15	025	00010101		NAK (Negative Ack)
SYN	22	16	026	00010110		SYN (Synchronous Idle)
ETB	23	17	027	00010111		ETB (End Trans. Block)
CAN	24	18	030	00011000		CAN (Cancel)
EM	25	19	031	00011001		EM (End of Medium)
SUB	26	1A	032	00011010		SUB (Substitute)
ESC	27	1B	033	00011011		ESC (Escape)
FS	28	1C	034	00011100		FS (File Separator)
GS	29	1D	035	00011101		GS (Group Separator)
RS	30	1E	036	00011110		RS (Record Separator)
US	31	1F	037	00011111		US (Unit Separator)
SP	32	20	040	00100000		SP (Space)
!	33	21	041	00100001	!	Printable: !
"	34	22	042	00100010	"	Printable: "
#	35	23	043	00100011	#	Printable: #
$	36	24	044	00100100	$	Printable: $
%	37	25	045	00100101	%	Printable: %
&	38	26	046	00100110	&	Printable: &
'	39	27	047	00100111	'	Printable: '
(	40	28	050	00101000	(	Printable: (
)	41	29	051	00101001	)	Printable: )
*	42	2A	052	00101010	*	Printable: *
+	43	2B	053	00101011	+	Printable: +
,	44	2C	054	00101100	,	Printable: ,
-	45	2D	055	00101101	-	Printable: -
.	46	2E	056	00101110	.	Printable: .
/	47	2F	057	00101111	/	Printable: /
0	48	30	060	00110000	0	Printable: 0
1	49	31	061	00110001	1	Printable: 1
2	50	32	062	00110010	2	Printable: 2
3	51	33	063	00110011	3	Printable: 3
4	52	34	064	00110100	4	Printable: 4
5	53	35	065	00110101	5	Printable: 5
6	54	36	066	00110110	6	Printable: 6
7	55	37	067	00110111	7	Printable: 7
8	56	38	070	00111000	8	Printable: 8
9	57	39	071	00111001	9	Printable: 9
:	58	3A	072	00111010	:	Printable: :
;	59	3B	073	00111011	;	Printable: ;
<	60	3C	074	00111100	<	Printable: <
=	61	3D	075	00111101	=	Printable: =
>	62	3E	076	00111110	>	Printable: >
?	63	3F	077	00111111	?	Printable: ?
@	64	40	100	01000000	@	Printable: @
A	65	41	101	01000001	A	Printable: A
B	66	42	102	01000010	B	Printable: B
C	67	43	103	01000011	C	Printable: C
D	68	44	104	01000100	D	Printable: D
E	69	45	105	01000101	E	Printable: E
F	70	46	106	01000110	F	Printable: F
G	71	47	107	01000111	G	Printable: G
H	72	48	110	01001000	H	Printable: H
I	73	49	111	01001001	I	Printable: I
J	74	4A	112	01001010	J	Printable: J
K	75	4B	113	01001011	K	Printable: K
L	76	4C	114	01001100	L	Printable: L
M	77	4D	115	01001101	M	Printable: M
N	78	4E	116	01001110	N	Printable: N
O	79	4F	117	01001111	O	Printable: O
P	80	50	120	01010000	P	Printable: P
Q	81	51	121	01010001	Q	Printable: Q
R	82	52	122	01010010	R	Printable: R
S	83	53	123	01010011	S	Printable: S
T	84	54	124	01010100	T	Printable: T
U	85	55	125	01010101	U	Printable: U
V	86	56	126	01010110	V	Printable: V
W	87	57	127	01010111	W	Printable: W
X	88	58	130	01011000	X	Printable: X
Y	89	59	131	01011001	Y	Printable: Y
Z	90	5A	132	01011010	Z	Printable: Z
[	91	5B	133	01011011	[	Printable: [
\	92	5C	134	01011100	\	Printable: \
]	93	5D	135	01011101	]	Printable: ]
^	94	5E	136	01011110	^	Printable: ^
_	95	5F	137	01011111	_	Printable: _
`	96	60	140	01100000	`	Printable: `
a	97	61	141	01100001	a	Printable: a
b	98	62	142	01100010	b	Printable: b
c	99	63	143	01100011	c	Printable: c
d	100	64	144	01100100	d	Printable: d
e	101	65	145	01100101	e	Printable: e
f	102	66	146	01100110	f	Printable: f
g	103	67	147	01100111	g	Printable: g
h	104	68	150	01101000	h	Printable: h
i	105	69	151	01101001	i	Printable: i
j	106	6A	152	01101010	j	Printable: j
k	107	6B	153	01101011	k	Printable: k
l	108	6C	154	01101100	l	Printable: l
m	109	6D	155	01101101	m	Printable: m
n	110	6E	156	01101110	n	Printable: n
o	111	6F	157	01101111	o	Printable: o
p	112	70	160	01110000	p	Printable: p
q	113	71	161	01110001	q	Printable: q
r	114	72	162	01110010	r	Printable: r
s	115	73	163	01110011	s	Printable: s
t	116	74	164	01110100	t	Printable: t
u	117	75	165	01110101	u	Printable: u
v	118	76	166	01110110	v	Printable: v
w	119	77	167	01110111	w	Printable: w
x	120	78	170	01111000	x	Printable: x
y	121	79	171	01111001	y	Printable: y
z	122	7A	172	01111010	z	Printable: z
{	123	7B	173	01111011	{	Printable: {
\|	124	7C	174	01111100	\|	Printable: \|
}	125	7D	175	01111101	}	Printable: }
~	126	7E	176	01111110	~	Printable: ~
DEL	127	7F	177	01111111		DEL (Delete)

Printable ASCII

Characters 32-126 are printable. Chars 0-31 and 127 are control characters with special meaning in text streams.

Hex vs Decimal

Hexadecimal (base 16) uses 0-9 and A-F. Letter 'A' is decimal 65, hex 41, binary 01000001. Common in memory addresses and color codes.

HTML Entities

Special characters in HTML must be escaped. & → &, < → <, > → >. Non-ASCII characters can be written as &#decimal; or &#xhex;.

ASCII & Unicode Table

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