ASCII Reference Table

Control Characters (0-31)

Dec	Hex	Char	Description
0	0x00	NUL	Null character
1	0x01	SOH	Start of Header
2	0x02	STX	Start of Text
3	0x03	ETX	End of Text
4	0x04	EOT	End of Transmission
5	0x05	ENQ	Enquiry
6	0x06	ACK	Acknowledgment
7	0x07	BEL	Bell
8	0x08	BS	Backspace
9	0x09	HT	Horizontal Tab
10	0x0A	LF	Line Feed
11	0x0B	VT	Vertical Tab
12	0x0C	FF	Form Feed
13	0x0D	CR	Carriage Return
14	0x0E	SO	Shift Out
15	0x0F	SI	Shift In
16	0x10	DLE	Data Link Escape
17	0x11	DC1	Device Control 1
18	0x12	DC2	Device Control 2
19	0x13	DC3	Device Control 3
20	0x14	DC4	Device Control 4
21	0x15	NAK	Negative Acknowledgment
22	0x16	SYN	Synchronous Idle
23	0x17	ETB	End of Trans. Block
24	0x18	CAN	Cancel
25	0x19	EM	End of Medium
26	0x1A	SUB	Substitute
27	0x1B	ESC	Escape
28	0x1C	FS	File Separator
29	0x1D	GS	Group Separator
30	0x1E	RS	Record Separator
31	0x1F	US	Unit Separator

Printable Characters (32-127)

Dec	Hex	Char	Description
32	0x20	␠	Space
33	0x21	!	Exclamation mark
34	0x22	”	Double quote
35	0x23	#	Number sign
36	0x24	$	Dollar sign
37	0x25	%	Percent
38	0x26	&	Ampersand
39	0x27	’	Single quote
40	0x28	(	Left parenthesis
41	0x29	)	Right parenthesis
42	0x2A	*	Asterisk
43	0x2B	+	Plus
44	0x2C	,	Comma
45	0x2D	-	Minus
46	0x2E	.	Period
47	0x2F	/	Forward slash
48	0x30	0	Zero
49	0x31	1	One
50	0x32	2	Two
51	0x33	3	Three
52	0x34	4	Four
53	0x35	5	Five
54	0x36	6	Six
55	0x37	7	Seven
56	0x38	8	Eight
57	0x39	9	Nine
58	0x3A	:	Colon
59	0x3B	;	Semicolon
60	0x3C	<	Less than
61	0x3D	=	Equals
62	0x3E	>	Greater than
63	0x3F	?	Question mark
64	0x40	@	At sign
65	0x41	A	Uppercase A
66	0x42	B	Uppercase B
67	0x43	C	Uppercase C
68	0x44	D	Uppercase D
69	0x45	E	Uppercase E
70	0x46	F	Uppercase F
71	0x47	G	Uppercase G
72	0x48	H	Uppercase H
73	0x49	I	Uppercase I
74	0x4A	J	Uppercase J
75	0x4B	K	Uppercase K
76	0x4C	L	Uppercase L
77	0x4D	M	Uppercase M
78	0x4E	N	Uppercase N
79	0x4F	O	Uppercase O
80	0x50	P	Uppercase P
81	0x51	Q	Uppercase Q
82	0x52	R	Uppercase R
83	0x53	S	Uppercase S
84	0x54	T	Uppercase T
85	0x55	U	Uppercase U
86	0x56	V	Uppercase V
87	0x57	W	Uppercase W
88	0x58	X	Uppercase X
89	0x59	Y	Uppercase Y
90	0x5A	Z	Uppercase Z
91	0x5B	[	Left square bracket
92	0x5C	\	Backslash
93	0x5D	]	Right square bracket
94	0x5E	^	Caret
95	0x5F	_	Underscore
96	0x60	`	Grave accent
97	0x61	a	Lowercase a
98	0x62	b	Lowercase b
99	0x63	c	Lowercase c
100	0x64	d	Lowercase d
101	0x65	e	Lowercase e
102	0x66	f	Lowercase f
103	0x67	g	Lowercase g
104	0x68	h	Lowercase h
105	0x69	i	Lowercase i
106	0x6A	j	Lowercase j
107	0x6B	k	Lowercase k
108	0x6C	l	Lowercase l
109	0x6D	m	Lowercase m
110	0x6E	n	Lowercase n
111	0x6F	o	Lowercase o
112	0x70	p	Lowercase p
113	0x71	q	Lowercase q
114	0x72	r	Lowercase r
115	0x73	s	Lowercase s
116	0x74	t	Lowercase t
117	0x75	u	Lowercase u
118	0x76	v	Lowercase v
119	0x77	w	Lowercase w
120	0x78	x	Lowercase x
121	0x79	y	Lowercase y
122	0x7A	z	Lowercase z
123	0x7B	{	Left curly bracket
124	0x7C	|	Vertical bar
125	0x7D	}	Right curly bracket
126	0x7E	~	Tilde
127	0x7F	DEL	Delete

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  • ASCII码对照表|ASCII编码_911查询