ASCII Table

Look up any ASCII character with its decimal, hex, octal, and binary code.

Control characters (0–31, 127)

Dec	Hex	Oct	Binary	Name
0	00	000	00000000	Null
1	01	001	00000001	Start of Heading
2	02	002	00000010	Start of Text
3	03	003	00000011	End of Text
4	04	004	00000100	End of Transmission
5	05	005	00000101	Enquiry
6	06	006	00000110	Acknowledge
7	07	007	00000111	Bell
8	08	010	00001000	Backspace
9	09	011	00001001	Horizontal Tab
10	0A	012	00001010	Line Feed
11	0B	013	00001011	Vertical Tab
12	0C	014	00001100	Form Feed
13	0D	015	00001101	Carriage Return
14	0E	016	00001110	Shift Out
15	0F	017	00001111	Shift In
16	10	020	00010000	Data Link Escape
17	11	021	00010001	Device Control 1
18	12	022	00010010	Device Control 2
19	13	023	00010011	Device Control 3
20	14	024	00010100	Device Control 4
21	15	025	00010101	Negative Acknowledge
22	16	026	00010110	Synchronous Idle
23	17	027	00010111	End of Transmission Block
24	18	030	00011000	Cancel
25	19	031	00011001	End of Medium
26	1A	032	00011010	Substitute
27	1B	033	00011011	Escape
28	1C	034	00011100	File Separator
29	1D	035	00011101	Group Separator
30	1E	036	00011110	Record Separator
31	1F	037	00011111	Unit Separator
127	7F	177	01111111	Delete

Printable characters (32–126)

Dec	Hex	Oct	Binary	HTML	Name
32	20	040	00100000		Space
33	21	041	00100001	!	Exclamation mark
34	22	042	00100010	"	Double quote
35	23	043	00100011	#	Number sign (hash)
36	24	044	00100100	$	Dollar sign
37	25	045	00100101	%	Percent sign
38	26	046	00100110	&	Ampersand
39	27	047	00100111	'	Single quote (apostrophe)
40	28	050	00101000	(	Left parenthesis
41	29	051	00101001	)	Right parenthesis
42	2A	052	00101010	*	Asterisk
43	2B	053	00101011	+	Plus sign
44	2C	054	00101100	,	Comma
45	2D	055	00101101	-	Hyphen-minus
46	2E	056	00101110	.	Period (full stop)
47	2F	057	00101111	/	Forward slash
48	30	060	00110000	0	Digit 0
49	31	061	00110001	1	Digit 1
50	32	062	00110010	2	Digit 2
51	33	063	00110011	3	Digit 3
52	34	064	00110100	4	Digit 4
53	35	065	00110101	5	Digit 5
54	36	066	00110110	6	Digit 6
55	37	067	00110111	7	Digit 7
56	38	070	00111000	8	Digit 8
57	39	071	00111001	9	Digit 9
58	3A	072	00111010	:	Colon
59	3B	073	00111011	;	Semicolon
60	3C	074	00111100	<	Less-than sign
61	3D	075	00111101	=	Equals sign
62	3E	076	00111110	>	Greater-than sign
63	3F	077	00111111	?	Question mark
64	40	100	01000000	@	At sign
65	41	101	01000001	A	Uppercase A
66	42	102	01000010	B	Uppercase B
67	43	103	01000011	C	Uppercase C
68	44	104	01000100	D	Uppercase D
69	45	105	01000101	E	Uppercase E
70	46	106	01000110	F	Uppercase F
71	47	107	01000111	G	Uppercase G
72	48	110	01001000	H	Uppercase H
73	49	111	01001001	I	Uppercase I
74	4A	112	01001010	J	Uppercase J
75	4B	113	01001011	K	Uppercase K
76	4C	114	01001100	L	Uppercase L
77	4D	115	01001101	M	Uppercase M
78	4E	116	01001110	N	Uppercase N
79	4F	117	01001111	O	Uppercase O
80	50	120	01010000	P	Uppercase P
81	51	121	01010001	Q	Uppercase Q
82	52	122	01010010	R	Uppercase R
83	53	123	01010011	S	Uppercase S
84	54	124	01010100	T	Uppercase T
85	55	125	01010101	U	Uppercase U
86	56	126	01010110	V	Uppercase V
87	57	127	01010111	W	Uppercase W
88	58	130	01011000	X	Uppercase X
89	59	131	01011001	Y	Uppercase Y
90	5A	132	01011010	Z	Uppercase Z
91	5B	133	01011011	[	Left square bracket
92	5C	134	01011100	\	Backslash
93	5D	135	01011101	]	Right square bracket
94	5E	136	01011110	^	Caret (circumflex)
95	5F	137	01011111	_	Underscore
96	60	140	01100000	`	Backtick (grave accent)
97	61	141	01100001	a	Lowercase a
98	62	142	01100010	b	Lowercase b
99	63	143	01100011	c	Lowercase c
100	64	144	01100100	d	Lowercase d
101	65	145	01100101	e	Lowercase e
102	66	146	01100110	f	Lowercase f
103	67	147	01100111	g	Lowercase g
104	68	150	01101000	h	Lowercase h
105	69	151	01101001	i	Lowercase i
106	6A	152	01101010	j	Lowercase j
107	6B	153	01101011	k	Lowercase k
108	6C	154	01101100	l	Lowercase l
109	6D	155	01101101	m	Lowercase m
110	6E	156	01101110	n	Lowercase n
111	6F	157	01101111	o	Lowercase o
112	70	160	01110000	p	Lowercase p
113	71	161	01110001	q	Lowercase q
114	72	162	01110010	r	Lowercase r
115	73	163	01110011	s	Lowercase s
116	74	164	01110100	t	Lowercase t
117	75	165	01110101	u	Lowercase u
118	76	166	01110110	v	Lowercase v
119	77	167	01110111	w	Lowercase w
120	78	170	01111000	x	Lowercase x
121	79	171	01111001	y	Lowercase y
122	7A	172	01111010	z	Lowercase z
123	7B	173	01111011	{	Left curly brace
124	7C	174	01111100	\|	Vertical bar (pipe)
125	7D	175	01111101	}	Right curly brace
126	7E	176	01111110	~	Tilde

About ASCII Table

The complete 7-bit ASCII table, all 128 characters from NUL to DEL. Each row shows the character, its decimal, hexadecimal, octal, and binary code, the HTML entity, and a plain name. Search by code or name, and click a character to copy it. Everything runs in your browser.

What is ASCII?

ASCII (American Standard Code for Information Interchange) maps the basic English characters to numbers from 0 to 127. It covers the digits, uppercase and lowercase letters, common punctuation, and a set of non-printing control codes like tab, newline, and escape. It's the foundation almost every text encoding builds on, including UTF-8, where the first 128 code points are identical to ASCII.

How to use this table

Scroll the full table or type in the search box to filter it. Search accepts a decimal code (65), a hex value (0x41 or 41), part of a name (escape, tab), or the character itself. Click any character to copy it to your clipboard. Control characters copy their decimal code instead, since they have no visible glyph.

Control vs printable

Codes 0 to 31 plus 127 are control characters. They were built to drive teletypes and terminals, not to be printed, so the table shows their standard abbreviation (LF for line feed, CR for carriage return, ESC for escape). Codes 32 to 126 are the printable characters you actually see, starting with the space and running through the letters, digits, and symbols.

Why no extended ASCII?

Strictly, ASCII only defines 0 to 127. Codes 128 to 255 are often called 'extended ASCII', but there's no single standard for them. The same byte is a different character in Latin-1, Windows-1252, and CP437, so showing one fixed glyph would be wrong as often as it's right. This table sticks to the 128 codes everyone agrees on.