ASCII Reference

ASCII Table

All 128 ASCII codes with character, decimal, hex, octal, and binary values. Search by name, character, value, or description.

128 of 128 shown

95printable

33controls

7-bit128 codes

1 byteper code

Decimal	Hex	Octal	Binary	Char	Name	Description
0	00	000	00000000	NUL	NULL	Null character used as a terminator or filler.
1	01	001	00000001	SOH	START OF HEADING	Start of heading marks the beginning of a message header.
2	02	002	00000010	STX	START OF TEXT	Start of text marks the beginning of the message body.
3	03	003	00000011	ETX	END OF TEXT	End of text marks the end of a message body.
4	04	004	00000100	EOT	END OF TRANSMISSION	End of transmission signals the end of a transmission.
5	05	005	00000101	ENQ	ENQUIRY	Enquiry requests a response or station identification.
6	06	006	00000110	ACK	ACKNOWLEDGE	Acknowledgement confirms that a transmission was received.
7	07	007	00000111	BEL	BELL	Bell requests an audible alert at the receiving terminal.
8	08	010	00001000	BS	BACKSPACE	Backspace moves the cursor or print position back one column.
9	09	011	00001001	HT	CHARACTER TABULATION	Horizontal tab advances to the next tab stop on the same line.
10	0A	012	00001010	LF	LINE FEED	Line feed moves the cursor or print position to the next line.
11	0B	013	00001011	VT	LINE TABULATION	Vertical tab advances to the next vertical tab stop.
12	0C	014	00001100	FF	FORM FEED	Form feed moves the print position to the next page.
13	0D	015	00001101	CR	CARRIAGE RETURN	Carriage return moves the cursor or print position to column one.
14	0E	016	00001110	SO	SHIFT OUT	Shift out switches to an alternate character set.
15	0F	017	00001111	SI	SHIFT IN	Shift in switches back to the standard character set.
16	10	020	00010000	DLE	DATA LINK ESCAPE	Data link escape prefixes control characters in data links.
17	11	021	00010001	DC1	DEVICE CONTROL ONE	Device control one is a device-specific control signal.
18	12	022	00010010	DC2	DEVICE CONTROL TWO	Device control two is a device-specific control signal.
19	13	023	00010011	DC3	DEVICE CONTROL THREE	Device control three is a device-specific control signal.
20	14	024	00010100	DC4	DEVICE CONTROL FOUR	Device control four is a device-specific control signal.
21	15	025	00010101	NAK	NEGATIVE ACKNOWLEDGE	Negative acknowledgement reports that a transmission was not received.
22	16	026	00010110	SYN	SYNCHRONOUS IDLE	Synchronous idle maintains synchronization in a data link.
23	17	027	00010111	ETB	END OF TRANSMISSION BLOCK	End of transmission block marks the end of a transmission block.
24	18	030	00011000	CAN	CANCEL	Cancel indicates that the preceding data should be disregarded.
25	19	031	00011001	EM	END OF MEDIUM	End of medium marks the physical end of a data medium.
26	1A	032	00011010	SUB	SUBSTITUTE	Substitute replaces a character that could not be decoded.
27	1B	033	00011011	ESC	ESCAPE	Escape starts an escape sequence or control sequence.
28	1C	034	00011100	FS	FILE SEPARATOR	File separator separates records in a data file.
29	1D	035	00011101	GS	GROUP SEPARATOR	Group separator separates groups of records.
30	1E	036	00011110	RS	RECORD SEPARATOR	Record separator separates records within a group.
31	1F	037	00011111	US	UNIT SEPARATOR	Unit separator separates fields within a record.
32	20	040	00100000		SPACE	Space separates words and values in plain text.
33	21	041	00100001	!	EXCLAMATION MARK	EXCLAMATION MARK is the ASCII printable character with decimal value 33.
34	22	042	00100010	"	QUOTATION MARK	QUOTATION MARK is the ASCII printable character with decimal value 34.
35	23	043	00100011	#	NUMBER SIGN	NUMBER SIGN is the ASCII printable character with decimal value 35.
36	24	044	00100100	$	DOLLAR SIGN	DOLLAR SIGN is the ASCII printable character with decimal value 36.
37	25	045	00100101	%	PERCENT SIGN	PERCENT SIGN is the ASCII printable character with decimal value 37.
38	26	046	00100110	&	AMPERSAND	AMPERSAND is the ASCII printable character with decimal value 38.
39	27	047	00100111	'	APOSTROPHE	APOSTROPHE is the ASCII printable character with decimal value 39.
40	28	050	00101000	(	LEFT PARENTHESIS	LEFT PARENTHESIS is the ASCII printable character with decimal value 40.
41	29	051	00101001	)	RIGHT PARENTHESIS	RIGHT PARENTHESIS is the ASCII printable character with decimal value 41.
42	2A	052	00101010	*	ASTERISK	ASTERISK is the ASCII printable character with decimal value 42.
43	2B	053	00101011	+	PLUS SIGN	PLUS SIGN is the ASCII printable character with decimal value 43.
44	2C	054	00101100	,	COMMA	COMMA is the ASCII printable character with decimal value 44.
45	2D	055	00101101	-	HYPHEN-MINUS	HYPHEN-MINUS is the ASCII printable character with decimal value 45.
46	2E	056	00101110	.	FULL STOP	FULL STOP is the ASCII printable character with decimal value 46.
47	2F	057	00101111	/	SOLIDUS	SOLIDUS is the ASCII printable character with decimal value 47.
48	30	060	00110000	0	DIGIT ZERO	DIGIT ZERO is the ASCII printable character with decimal value 48.
49	31	061	00110001	1	DIGIT ONE	DIGIT ONE is the ASCII printable character with decimal value 49.
50	32	062	00110010	2	DIGIT TWO	DIGIT TWO is the ASCII printable character with decimal value 50.
51	33	063	00110011	3	DIGIT THREE	DIGIT THREE is the ASCII printable character with decimal value 51.
52	34	064	00110100	4	DIGIT FOUR	DIGIT FOUR is the ASCII printable character with decimal value 52.
53	35	065	00110101	5	DIGIT FIVE	DIGIT FIVE is the ASCII printable character with decimal value 53.
54	36	066	00110110	6	DIGIT SIX	DIGIT SIX is the ASCII printable character with decimal value 54.
55	37	067	00110111	7	DIGIT SEVEN	DIGIT SEVEN is the ASCII printable character with decimal value 55.
56	38	070	00111000	8	DIGIT EIGHT	DIGIT EIGHT is the ASCII printable character with decimal value 56.
57	39	071	00111001	9	DIGIT NINE	DIGIT NINE is the ASCII printable character with decimal value 57.
58	3A	072	00111010	:	COLON	COLON is the ASCII printable character with decimal value 58.
59	3B	073	00111011	;	SEMICOLON	SEMICOLON is the ASCII printable character with decimal value 59.
60	3C	074	00111100	<	LESS-THAN SIGN	LESS-THAN SIGN is the ASCII printable character with decimal value 60.
61	3D	075	00111101	=	EQUALS SIGN	EQUALS SIGN is the ASCII printable character with decimal value 61.
62	3E	076	00111110	>	GREATER-THAN SIGN	GREATER-THAN SIGN is the ASCII printable character with decimal value 62.
63	3F	077	00111111	?	QUESTION MARK	QUESTION MARK is the ASCII printable character with decimal value 63.
64	40	100	01000000	@	COMMERCIAL AT	COMMERCIAL AT is the ASCII printable character with decimal value 64.
65	41	101	01000001	A	LATIN CAPITAL LETTER A	LATIN CAPITAL LETTER A is the ASCII printable character with decimal value 65.
66	42	102	01000010	B	LATIN CAPITAL LETTER B	LATIN CAPITAL LETTER B is the ASCII printable character with decimal value 66.
67	43	103	01000011	C	LATIN CAPITAL LETTER C	LATIN CAPITAL LETTER C is the ASCII printable character with decimal value 67.
68	44	104	01000100	D	LATIN CAPITAL LETTER D	LATIN CAPITAL LETTER D is the ASCII printable character with decimal value 68.
69	45	105	01000101	E	LATIN CAPITAL LETTER E	LATIN CAPITAL LETTER E is the ASCII printable character with decimal value 69.
70	46	106	01000110	F	LATIN CAPITAL LETTER F	LATIN CAPITAL LETTER F is the ASCII printable character with decimal value 70.
71	47	107	01000111	G	LATIN CAPITAL LETTER G	LATIN CAPITAL LETTER G is the ASCII printable character with decimal value 71.
72	48	110	01001000	H	LATIN CAPITAL LETTER H	LATIN CAPITAL LETTER H is the ASCII printable character with decimal value 72.
73	49	111	01001001	I	LATIN CAPITAL LETTER I	LATIN CAPITAL LETTER I is the ASCII printable character with decimal value 73.
74	4A	112	01001010	J	LATIN CAPITAL LETTER J	LATIN CAPITAL LETTER J is the ASCII printable character with decimal value 74.
75	4B	113	01001011	K	LATIN CAPITAL LETTER K	LATIN CAPITAL LETTER K is the ASCII printable character with decimal value 75.
76	4C	114	01001100	L	LATIN CAPITAL LETTER L	LATIN CAPITAL LETTER L is the ASCII printable character with decimal value 76.
77	4D	115	01001101	M	LATIN CAPITAL LETTER M	LATIN CAPITAL LETTER M is the ASCII printable character with decimal value 77.
78	4E	116	01001110	N	LATIN CAPITAL LETTER N	LATIN CAPITAL LETTER N is the ASCII printable character with decimal value 78.
79	4F	117	01001111	O	LATIN CAPITAL LETTER O	LATIN CAPITAL LETTER O is the ASCII printable character with decimal value 79.
80	50	120	01010000	P	LATIN CAPITAL LETTER P	LATIN CAPITAL LETTER P is the ASCII printable character with decimal value 80.
81	51	121	01010001	Q	LATIN CAPITAL LETTER Q	LATIN CAPITAL LETTER Q is the ASCII printable character with decimal value 81.
82	52	122	01010010	R	LATIN CAPITAL LETTER R	LATIN CAPITAL LETTER R is the ASCII printable character with decimal value 82.
83	53	123	01010011	S	LATIN CAPITAL LETTER S	LATIN CAPITAL LETTER S is the ASCII printable character with decimal value 83.
84	54	124	01010100	T	LATIN CAPITAL LETTER T	LATIN CAPITAL LETTER T is the ASCII printable character with decimal value 84.
85	55	125	01010101	U	LATIN CAPITAL LETTER U	LATIN CAPITAL LETTER U is the ASCII printable character with decimal value 85.
86	56	126	01010110	V	LATIN CAPITAL LETTER V	LATIN CAPITAL LETTER V is the ASCII printable character with decimal value 86.
87	57	127	01010111	W	LATIN CAPITAL LETTER W	LATIN CAPITAL LETTER W is the ASCII printable character with decimal value 87.
88	58	130	01011000	X	LATIN CAPITAL LETTER X	LATIN CAPITAL LETTER X is the ASCII printable character with decimal value 88.
89	59	131	01011001	Y	LATIN CAPITAL LETTER Y	LATIN CAPITAL LETTER Y is the ASCII printable character with decimal value 89.
90	5A	132	01011010	Z	LATIN CAPITAL LETTER Z	LATIN CAPITAL LETTER Z is the ASCII printable character with decimal value 90.
91	5B	133	01011011	[	LEFT SQUARE BRACKET	LEFT SQUARE BRACKET is the ASCII printable character with decimal value 91.
92	5C	134	01011100	\	REVERSE SOLIDUS	REVERSE SOLIDUS is the ASCII printable character with decimal value 92.
93	5D	135	01011101	]	RIGHT SQUARE BRACKET	RIGHT SQUARE BRACKET is the ASCII printable character with decimal value 93.
94	5E	136	01011110	^	CIRCUMFLEX ACCENT	CIRCUMFLEX ACCENT is the ASCII printable character with decimal value 94.
95	5F	137	01011111	_	LOW LINE	LOW LINE is the ASCII printable character with decimal value 95.
96	60	140	01100000	`	GRAVE ACCENT	GRAVE ACCENT is the ASCII printable character with decimal value 96.
97	61	141	01100001	a	LATIN SMALL LETTER A	LATIN SMALL LETTER A is the ASCII printable character with decimal value 97.
98	62	142	01100010	b	LATIN SMALL LETTER B	LATIN SMALL LETTER B is the ASCII printable character with decimal value 98.
99	63	143	01100011	c	LATIN SMALL LETTER C	LATIN SMALL LETTER C is the ASCII printable character with decimal value 99.
100	64	144	01100100	d	LATIN SMALL LETTER D	LATIN SMALL LETTER D is the ASCII printable character with decimal value 100.
101	65	145	01100101	e	LATIN SMALL LETTER E	LATIN SMALL LETTER E is the ASCII printable character with decimal value 101.
102	66	146	01100110	f	LATIN SMALL LETTER F	LATIN SMALL LETTER F is the ASCII printable character with decimal value 102.
103	67	147	01100111	g	LATIN SMALL LETTER G	LATIN SMALL LETTER G is the ASCII printable character with decimal value 103.
104	68	150	01101000	h	LATIN SMALL LETTER H	LATIN SMALL LETTER H is the ASCII printable character with decimal value 104.
105	69	151	01101001	i	LATIN SMALL LETTER I	LATIN SMALL LETTER I is the ASCII printable character with decimal value 105.
106	6A	152	01101010	j	LATIN SMALL LETTER J	LATIN SMALL LETTER J is the ASCII printable character with decimal value 106.
107	6B	153	01101011	k	LATIN SMALL LETTER K	LATIN SMALL LETTER K is the ASCII printable character with decimal value 107.
108	6C	154	01101100	l	LATIN SMALL LETTER L	LATIN SMALL LETTER L is the ASCII printable character with decimal value 108.
109	6D	155	01101101	m	LATIN SMALL LETTER M	LATIN SMALL LETTER M is the ASCII printable character with decimal value 109.
110	6E	156	01101110	n	LATIN SMALL LETTER N	LATIN SMALL LETTER N is the ASCII printable character with decimal value 110.
111	6F	157	01101111	o	LATIN SMALL LETTER O	LATIN SMALL LETTER O is the ASCII printable character with decimal value 111.
112	70	160	01110000	p	LATIN SMALL LETTER P	LATIN SMALL LETTER P is the ASCII printable character with decimal value 112.
113	71	161	01110001	q	LATIN SMALL LETTER Q	LATIN SMALL LETTER Q is the ASCII printable character with decimal value 113.
114	72	162	01110010	r	LATIN SMALL LETTER R	LATIN SMALL LETTER R is the ASCII printable character with decimal value 114.
115	73	163	01110011	s	LATIN SMALL LETTER S	LATIN SMALL LETTER S is the ASCII printable character with decimal value 115.
116	74	164	01110100	t	LATIN SMALL LETTER T	LATIN SMALL LETTER T is the ASCII printable character with decimal value 116.
117	75	165	01110101	u	LATIN SMALL LETTER U	LATIN SMALL LETTER U is the ASCII printable character with decimal value 117.
118	76	166	01110110	v	LATIN SMALL LETTER V	LATIN SMALL LETTER V is the ASCII printable character with decimal value 118.
119	77	167	01110111	w	LATIN SMALL LETTER W	LATIN SMALL LETTER W is the ASCII printable character with decimal value 119.
120	78	170	01111000	x	LATIN SMALL LETTER X	LATIN SMALL LETTER X is the ASCII printable character with decimal value 120.
121	79	171	01111001	y	LATIN SMALL LETTER Y	LATIN SMALL LETTER Y is the ASCII printable character with decimal value 121.
122	7A	172	01111010	z	LATIN SMALL LETTER Z	LATIN SMALL LETTER Z is the ASCII printable character with decimal value 122.
123	7B	173	01111011	{	LEFT CURLY BRACKET	LEFT CURLY BRACKET is the ASCII printable character with decimal value 123.
124	7C	174	01111100	\|	VERTICAL LINE	VERTICAL LINE is the ASCII printable character with decimal value 124.
125	7D	175	01111101	}	RIGHT CURLY BRACKET	RIGHT CURLY BRACKET is the ASCII printable character with decimal value 125.
126	7E	176	01111110	~	TILDE	TILDE is the ASCII printable character with decimal value 126.
127	7F	177	01111111	DEL	DELETE	Delete removes the previous character or marks a position for deletion.

ASCII Table

ASCII guides

ASCII Character Codes Explained

ASCII Character Encoding