American Standard Code for Information Interchange. A character encoding standard with 128 characters including letters, digits, punctuation, and control codes.

What are control characters?

Characters 0-31 and 127 are non-printable control codes like NUL, TAB, LF (line feed), CR (carriage return), and ESC.

Does this include Unicode?

The main table shows ASCII (0-127). An expandable section shows common Unicode blocks like arrows, box-drawing, and math symbols.

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ASCII Table

Interactive ASCII character reference table

ASCII Character Table

Click any row to copy the character

Decimal	Hex	Octal	Binary	Character	Description
0	0x00	000	00000000	NUL	NUL
1	0x01	001	00000001	SOH	SOH
2	0x02	002	00000010	STX	STX
3	0x03	003	00000011	ETX	ETX
4	0x04	004	00000100	EOT	EOT
5	0x05	005	00000101	ENQ	ENQ
6	0x06	006	00000110	ACK	ACK
7	0x07	007	00000111	BEL	BEL
8	0x08	010	00001000	BS	BS
9	0x09	011	00001001	HT	HT
10	0x0A	012	00001010	LF	LF
11	0x0B	013	00001011	VT	VT
12	0x0C	014	00001100	FF	FF
13	0x0D	015	00001101	CR	CR
14	0x0E	016	00001110	SO	SO
15	0x0F	017	00001111	SI	SI
16	0x10	020	00010000	DLE	DLE
17	0x11	021	00010001	DC1	DC1
18	0x12	022	00010010	DC2	DC2
19	0x13	023	00010011	DC3	DC3
20	0x14	024	00010100	DC4	DC4
21	0x15	025	00010101	NAK	NAK
22	0x16	026	00010110	SYN	SYN
23	0x17	027	00010111	ETB	ETB
24	0x18	030	00011000	CAN	CAN
25	0x19	031	00011001	EM	EM
26	0x1A	032	00011010	SUB	SUB
27	0x1B	033	00011011	ESC	ESC
28	0x1C	034	00011100	FS	FS
29	0x1D	035	00011101	GS	GS
30	0x1E	036	00011110	RS	RS
31	0x1F	037	00011111	US	US
32	0x20	040	00100000	␣	Space
33	0x21	041	00100001	!	Symbol
34	0x22	042	00100010	"	Symbol
35	0x23	043	00100011	#	Symbol
36	0x24	044	00100100	$	Symbol
37	0x25	045	00100101	%	Symbol
38	0x26	046	00100110	&	Symbol
39	0x27	047	00100111	'	Symbol
40	0x28	050	00101000	(	Symbol
41	0x29	051	00101001	)	Symbol
42	0x2A	052	00101010	*	Symbol
43	0x2B	053	00101011	+	Symbol
44	0x2C	054	00101100	,	Symbol
45	0x2D	055	00101101	-	Symbol
46	0x2E	056	00101110	.	Symbol
47	0x2F	057	00101111	/	Symbol
48	0x30	060	00110000	0	Digit
49	0x31	061	00110001	1	Digit
50	0x32	062	00110010	2	Digit
51	0x33	063	00110011	3	Digit
52	0x34	064	00110100	4	Digit
53	0x35	065	00110101	5	Digit
54	0x36	066	00110110	6	Digit
55	0x37	067	00110111	7	Digit
56	0x38	070	00111000	8	Digit
57	0x39	071	00111001	9	Digit
58	0x3A	072	00111010	:	Symbol
59	0x3B	073	00111011	;	Symbol
60	0x3C	074	00111100	<	Symbol
61	0x3D	075	00111101	=	Symbol
62	0x3E	076	00111110	>	Symbol
63	0x3F	077	00111111	?	Symbol
64	0x40	100	01000000	@	Symbol
65	0x41	101	01000001	A	Uppercase Letter
66	0x42	102	01000010	B	Uppercase Letter
67	0x43	103	01000011	C	Uppercase Letter
68	0x44	104	01000100	D	Uppercase Letter
69	0x45	105	01000101	E	Uppercase Letter
70	0x46	106	01000110	F	Uppercase Letter
71	0x47	107	01000111	G	Uppercase Letter
72	0x48	110	01001000	H	Uppercase Letter
73	0x49	111	01001001	I	Uppercase Letter
74	0x4A	112	01001010	J	Uppercase Letter
75	0x4B	113	01001011	K	Uppercase Letter
76	0x4C	114	01001100	L	Uppercase Letter
77	0x4D	115	01001101	M	Uppercase Letter
78	0x4E	116	01001110	N	Uppercase Letter
79	0x4F	117	01001111	O	Uppercase Letter
80	0x50	120	01010000	P	Uppercase Letter
81	0x51	121	01010001	Q	Uppercase Letter
82	0x52	122	01010010	R	Uppercase Letter
83	0x53	123	01010011	S	Uppercase Letter
84	0x54	124	01010100	T	Uppercase Letter
85	0x55	125	01010101	U	Uppercase Letter
86	0x56	126	01010110	V	Uppercase Letter
87	0x57	127	01010111	W	Uppercase Letter
88	0x58	130	01011000	X	Uppercase Letter
89	0x59	131	01011001	Y	Uppercase Letter
90	0x5A	132	01011010	Z	Uppercase Letter
91	0x5B	133	01011011	[	Symbol
92	0x5C	134	01011100	\	Symbol
93	0x5D	135	01011101	]	Symbol
94	0x5E	136	01011110	^	Symbol
95	0x5F	137	01011111	_	Symbol
96	0x60	140	01100000	`	Symbol
97	0x61	141	01100001	a	Lowercase Letter
98	0x62	142	01100010	b	Lowercase Letter
99	0x63	143	01100011	c	Lowercase Letter
100	0x64	144	01100100	d	Lowercase Letter
101	0x65	145	01100101	e	Lowercase Letter
102	0x66	146	01100110	f	Lowercase Letter
103	0x67	147	01100111	g	Lowercase Letter
104	0x68	150	01101000	h	Lowercase Letter
105	0x69	151	01101001	i	Lowercase Letter
106	0x6A	152	01101010	j	Lowercase Letter
107	0x6B	153	01101011	k	Lowercase Letter
108	0x6C	154	01101100	l	Lowercase Letter
109	0x6D	155	01101101	m	Lowercase Letter
110	0x6E	156	01101110	n	Lowercase Letter
111	0x6F	157	01101111	o	Lowercase Letter
112	0x70	160	01110000	p	Lowercase Letter
113	0x71	161	01110001	q	Lowercase Letter
114	0x72	162	01110010	r	Lowercase Letter
115	0x73	163	01110011	s	Lowercase Letter
116	0x74	164	01110100	t	Lowercase Letter
117	0x75	165	01110101	u	Lowercase Letter
118	0x76	166	01110110	v	Lowercase Letter
119	0x77	167	01110111	w	Lowercase Letter
120	0x78	170	01111000	x	Lowercase Letter
121	0x79	171	01111001	y	Lowercase Letter
122	0x7A	172	01111010	z	Lowercase Letter
123	0x7B	173	01111011	{	Symbol
124	0x7C	174	01111100	\|	Symbol
125	0x7D	175	01111101	}	Symbol
126	0x7E	176	01111110	~	Symbol
127	0x7F	177	01111111	DEL	DEL

Control (0-31, 127)Digits (48-57)Uppercase (65-90)Lowercase (97-122)Symbols

About ASCII Table

What is ASCII Table?

Complete interactive ASCII character reference table. All 128 ASCII characters with decimal, hex, octal, binary, and description. Searchable, color-coded by type, click to copy. Includes common Unicode sections.

Features & Benefits

All 128 ASCII characters with full details
Decimal, hexadecimal, octal, and binary codes
Search by code, character, or description
Color-coded by type: control, digit, letter, symbol
Click any character to copy it
Common Unicode symbols section

Frequently Asked Questions

What is ASCII?: American Standard Code for Information Interchange. A character encoding standard with 128 characters including letters, digits, punctuation, and control codes.
What are control characters?: Characters 0-31 and 127 are non-printable control codes like NUL, TAB, LF (line feed), CR (carriage return), and ESC.
Does this include Unicode?: The main table shows ASCII (0-127). An expandable section shows common Unicode blocks like arrows, box-drawing, and math symbols.

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