ASCII Table and Converter

Every ASCII character with its codes, plus a text converter.

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ASCII table

Dec	Hex	Oct	Binary	Char	Description
0	00	000	0000000	NUL	Null
1	01	001	0000001	SOH	Start of heading
2	02	002	0000010	STX	Start of text
3	03	003	0000011	ETX	End of text
4	04	004	0000100	EOT	End of transmission
5	05	005	0000101	ENQ	Enquiry
6	06	006	0000110	ACK	Acknowledge
7	07	007	0000111	BEL	Bell
8	08	010	0001000	BS	Backspace
9	09	011	0001001	HT	Horizontal tab
10	0A	012	0001010	LF	Line feed (new line)
11	0B	013	0001011	VT	Vertical tab
12	0C	014	0001100	FF	Form feed
13	0D	015	0001101	CR	Carriage return
14	0E	016	0001110	SO	Shift out
15	0F	017	0001111	SI	Shift in
16	10	020	0010000	DLE	Data link escape
17	11	021	0010001	DC1	Device control 1 (XON)
18	12	022	0010010	DC2	Device control 2
19	13	023	0010011	DC3	Device control 3 (XOFF)
20	14	024	0010100	DC4	Device control 4
21	15	025	0010101	NAK	Negative acknowledge
22	16	026	0010110	SYN	Synchronous idle
23	17	027	0010111	ETB	End of transmission block
24	18	030	0011000	CAN	Cancel
25	19	031	0011001	EM	End of medium
26	1A	032	0011010	SUB	Substitute
27	1B	033	0011011	ESC	Escape
28	1C	034	0011100	FS	File separator
29	1D	035	0011101	GS	Group separator
30	1E	036	0011110	RS	Record separator
31	1F	037	0011111	US	Unit separator
32	20	040	0100000	SP	Space
33	21	041	0100001	!	Punctuation or symbol
34	22	042	0100010	"	Punctuation or symbol
35	23	043	0100011	#	Punctuation or symbol
36	24	044	0100100	$	Punctuation or symbol
37	25	045	0100101	%	Punctuation or symbol
38	26	046	0100110	&	Punctuation or symbol
39	27	047	0100111	'	Punctuation or symbol
40	28	050	0101000	(	Punctuation or symbol
41	29	051	0101001	)	Punctuation or symbol
42	2A	052	0101010	*	Punctuation or symbol
43	2B	053	0101011	+	Punctuation or symbol
44	2C	054	0101100	,	Punctuation or symbol
45	2D	055	0101101	-	Punctuation or symbol
46	2E	056	0101110	.	Punctuation or symbol
47	2F	057	0101111	/	Punctuation or symbol
48	30	060	0110000	0	Digit
49	31	061	0110001	1	Digit
50	32	062	0110010	2	Digit
51	33	063	0110011	3	Digit
52	34	064	0110100	4	Digit
53	35	065	0110101	5	Digit
54	36	066	0110110	6	Digit
55	37	067	0110111	7	Digit
56	38	070	0111000	8	Digit
57	39	071	0111001	9	Digit
58	3A	072	0111010	:	Punctuation or symbol
59	3B	073	0111011	;	Punctuation or symbol
60	3C	074	0111100	<	Punctuation or symbol
61	3D	075	0111101	=	Punctuation or symbol
62	3E	076	0111110	>	Punctuation or symbol
63	3F	077	0111111	?	Punctuation or symbol
64	40	100	1000000	@	Punctuation or symbol
65	41	101	1000001	A	Uppercase letter
66	42	102	1000010	B	Uppercase letter
67	43	103	1000011	C	Uppercase letter
68	44	104	1000100	D	Uppercase letter
69	45	105	1000101	E	Uppercase letter
70	46	106	1000110	F	Uppercase letter
71	47	107	1000111	G	Uppercase letter
72	48	110	1001000	H	Uppercase letter
73	49	111	1001001	I	Uppercase letter
74	4A	112	1001010	J	Uppercase letter
75	4B	113	1001011	K	Uppercase letter
76	4C	114	1001100	L	Uppercase letter
77	4D	115	1001101	M	Uppercase letter
78	4E	116	1001110	N	Uppercase letter
79	4F	117	1001111	O	Uppercase letter
80	50	120	1010000	P	Uppercase letter
81	51	121	1010001	Q	Uppercase letter
82	52	122	1010010	R	Uppercase letter
83	53	123	1010011	S	Uppercase letter
84	54	124	1010100	T	Uppercase letter
85	55	125	1010101	U	Uppercase letter
86	56	126	1010110	V	Uppercase letter
87	57	127	1010111	W	Uppercase letter
88	58	130	1011000	X	Uppercase letter
89	59	131	1011001	Y	Uppercase letter
90	5A	132	1011010	Z	Uppercase letter
91	5B	133	1011011	[	Punctuation or symbol
92	5C	134	1011100	\	Punctuation or symbol
93	5D	135	1011101	]	Punctuation or symbol
94	5E	136	1011110	^	Punctuation or symbol
95	5F	137	1011111	_	Punctuation or symbol
96	60	140	1100000	`	Punctuation or symbol
97	61	141	1100001	a	Lowercase letter
98	62	142	1100010	b	Lowercase letter
99	63	143	1100011	c	Lowercase letter
100	64	144	1100100	d	Lowercase letter
101	65	145	1100101	e	Lowercase letter
102	66	146	1100110	f	Lowercase letter
103	67	147	1100111	g	Lowercase letter
104	68	150	1101000	h	Lowercase letter
105	69	151	1101001	i	Lowercase letter
106	6A	152	1101010	j	Lowercase letter
107	6B	153	1101011	k	Lowercase letter
108	6C	154	1101100	l	Lowercase letter
109	6D	155	1101101	m	Lowercase letter
110	6E	156	1101110	n	Lowercase letter
111	6F	157	1101111	o	Lowercase letter
112	70	160	1110000	p	Lowercase letter
113	71	161	1110001	q	Lowercase letter
114	72	162	1110010	r	Lowercase letter
115	73	163	1110011	s	Lowercase letter
116	74	164	1110100	t	Lowercase letter
117	75	165	1110101	u	Lowercase letter
118	76	166	1110110	v	Lowercase letter
119	77	167	1110111	w	Lowercase letter
120	78	170	1111000	x	Lowercase letter
121	79	171	1111001	y	Lowercase letter
122	7A	172	1111010	z	Lowercase letter
123	7B	173	1111011	{	Punctuation or symbol
124	7C	174	1111100	\|	Punctuation or symbol
125	7D	175	1111101	}	Punctuation or symbol
126	7E	176	1111110	~	Punctuation or symbol
127	7F	177	1111111	DEL	Delete

Questions

What is ASCII?

A 1960s standard that gives numbers to 128 characters: English letters, digits, punctuation and 33 control codes like line feed (10) and tab (9). It is the first part of Unicode and UTF-8, so these codes still hold everywhere.

What about characters like é or €?

They aren’t in ASCII. Codes above 127 in old “extended ASCII” tables depended on the computer’s code page, so they meant different things on different systems. The converter gives their Unicode number instead and says which characters aren’t ASCII.

What are the control characters for?

They controlled printers and terminals. A few are still everywhere: tab (9), line feed (10) and carriage return (13) for line endings, and escape (27) for terminal colours.

Is it free? Do I need an account?

It is free to use and there is nothing to sign up for. There are no watermarks and no daily limits.

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ASCII Table and Converter

ASCII table

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