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ASCII Code Reference Table

Complete ASCII character encoding reference with search, filter, and quick copy.

ASCII Code Reference Table

Covers all 0-127 characters with decimal, hex, octal, and binary codes, plus quick reference for common characters

Common Character Quick Reference

Ctrl+K

Total 128 entries

DEC	HEX	OCT	BIN	Char	Name
0	0x00	000	0000 0000	NUL	Null Character
1	0x01	001	0000 0001	SOH	Start of Heading
2	0x02	002	0000 0010	STX	Start of Text
3	0x03	003	0000 0011	ETX	End of Text
4	0x04	004	0000 0100	EOT	End of Transmission
5	0x05	005	0000 0101	ENQ	Enquiry
6	0x06	006	0000 0110	ACK	Acknowledgment
7	0x07	007	0000 0111	BEL	Bell
8	0x08	010	0000 1000	BS	Backspace
9	0x09	011	0000 1001	TAB	Horizontal Tab
10	0x0A	012	0000 1010	LF	Line Feed
11	0x0B	013	0000 1011	VT	Vertical Tab
12	0x0C	014	0000 1100	FF	Form Feed
13	0x0D	015	0000 1101	CR	Carriage Return
14	0x0E	016	0000 1110	SO	Shift Out
15	0x0F	017	0000 1111	SI	Shift In
16	0x10	020	0001 0000	DLE	Data Link Escape
17	0x11	021	0001 0001	DC1	Device Control 1
18	0x12	022	0001 0010	DC2	Device Control 2
19	0x13	023	0001 0011	DC3	Device Control 3
20	0x14	024	0001 0100	DC4	Device Control 4
21	0x15	025	0001 0101	NAK	Negative Acknowledgment
22	0x16	026	0001 0110	SYN	Synchronous Idle
23	0x17	027	0001 0111	ETB	End of Transmission Block
24	0x18	030	0001 1000	CAN	Cancel
25	0x19	031	0001 1001	EM	End of Medium
26	0x1A	032	0001 1010	SUB	Substitute
27	0x1B	033	0001 1011	ESC	Escape
28	0x1C	034	0001 1100	FS	File Separator
29	0x1D	035	0001 1101	GS	Group Separator
30	0x1E	036	0001 1110	RS	Record Separator
31	0x1F	037	0001 1111	US	Unit Separator
32	0x20	040	0010 0000	␣	Space
33	0x21	041	0010 0001	!	Exclamation Mark
34	0x22	042	0010 0010	"	Quotation Mark
35	0x23	043	0010 0011	#	Number Sign
36	0x24	044	0010 0100	$	Dollar Sign
37	0x25	045	0010 0101	%	Percent Sign
38	0x26	046	0010 0110	&	Ampersand
39	0x27	047	0010 0111	'	Apostrophe
40	0x28	050	0010 1000	(	Left Parenthesis
41	0x29	051	0010 1001	)	Right Parenthesis
42	0x2A	052	0010 1010	*	Asterisk
43	0x2B	053	0010 1011	+	Plus Sign
44	0x2C	054	0010 1100	,	Comma
45	0x2D	055	0010 1101	-	Hyphen-Minus
46	0x2E	056	0010 1110	.	Full Stop
47	0x2F	057	0010 1111	/	Solidus
48	0x30	060	0011 0000	0	Digit 0
49	0x31	061	0011 0001	1	Digit 1
50	0x32	062	0011 0010	2	Digit 2
51	0x33	063	0011 0011	3	Digit 3
52	0x34	064	0011 0100	4	Digit 4
53	0x35	065	0011 0101	5	Digit 5
54	0x36	066	0011 0110	6	Digit 6
55	0x37	067	0011 0111	7	Digit 7
56	0x38	070	0011 1000	8	Digit 8
57	0x39	071	0011 1001	9	Digit 9
58	0x3A	072	0011 1010	:	Colon
59	0x3B	073	0011 1011	;	Semicolon
60	0x3C	074	0011 1100	<	Less-Than Sign
61	0x3D	075	0011 1101	=	Equals Sign
62	0x3E	076	0011 1110	>	Greater-Than Sign
63	0x3F	077	0011 1111	?	Question Mark
64	0x40	100	0100 0000	@	Commercial At
65	0x41	101	0100 0001	A	Uppercase A
66	0x42	102	0100 0010	B	Uppercase B
67	0x43	103	0100 0011	C	Uppercase C
68	0x44	104	0100 0100	D	Uppercase D
69	0x45	105	0100 0101	E	Uppercase E
70	0x46	106	0100 0110	F	Uppercase F
71	0x47	107	0100 0111	G	Uppercase G
72	0x48	110	0100 1000	H	Uppercase H
73	0x49	111	0100 1001	I	Uppercase I
74	0x4A	112	0100 1010	J	Uppercase J
75	0x4B	113	0100 1011	K	Uppercase K
76	0x4C	114	0100 1100	L	Uppercase L
77	0x4D	115	0100 1101	M	Uppercase M
78	0x4E	116	0100 1110	N	Uppercase N
79	0x4F	117	0100 1111	O	Uppercase O
80	0x50	120	0101 0000	P	Uppercase P
81	0x51	121	0101 0001	Q	Uppercase Q
82	0x52	122	0101 0010	R	Uppercase R
83	0x53	123	0101 0011	S	Uppercase S
84	0x54	124	0101 0100	T	Uppercase T
85	0x55	125	0101 0101	U	Uppercase U
86	0x56	126	0101 0110	V	Uppercase V
87	0x57	127	0101 0111	W	Uppercase W
88	0x58	130	0101 1000	X	Uppercase X
89	0x59	131	0101 1001	Y	Uppercase Y
90	0x5A	132	0101 1010	Z	Uppercase Z
91	0x5B	133	0101 1011	[	Left Square Bracket
92	0x5C	134	0101 1100	\	Backslash
93	0x5D	135	0101 1101	]	Right Square Bracket
94	0x5E	136	0101 1110	^	Circumflex Accent
95	0x5F	137	0101 1111	_	Low Line
96	0x60	140	0110 0000	`	Grave Accent
97	0x61	141	0110 0001	a	Lowercase a
98	0x62	142	0110 0010	b	Lowercase b
99	0x63	143	0110 0011	c	Lowercase c
100	0x64	144	0110 0100	d	Lowercase d
101	0x65	145	0110 0101	e	Lowercase e
102	0x66	146	0110 0110	f	Lowercase f
103	0x67	147	0110 0111	g	Lowercase g
104	0x68	150	0110 1000	h	Lowercase h
105	0x69	151	0110 1001	i	Lowercase i
106	0x6A	152	0110 1010	j	Lowercase j
107	0x6B	153	0110 1011	k	Lowercase k
108	0x6C	154	0110 1100	l	Lowercase l
109	0x6D	155	0110 1101	m	Lowercase m
110	0x6E	156	0110 1110	n	Lowercase n
111	0x6F	157	0110 1111	o	Lowercase o
112	0x70	160	0111 0000	p	Lowercase p
113	0x71	161	0111 0001	q	Lowercase q
114	0x72	162	0111 0010	r	Lowercase r
115	0x73	163	0111 0011	s	Lowercase s
116	0x74	164	0111 0100	t	Lowercase t
117	0x75	165	0111 0101	u	Lowercase u
118	0x76	166	0111 0110	v	Lowercase v
119	0x77	167	0111 0111	w	Lowercase w
120	0x78	170	0111 1000	x	Lowercase x
121	0x79	171	0111 1001	y	Lowercase y
122	0x7A	172	0111 1010	z	Lowercase z
123	0x7B	173	0111 1011	{	Left Curly Bracket
124	0x7C	174	0111 1100	\|	Vertical Line
125	0x7D	175	0111 1101	}	Right Curly Bracket
126	0x7E	176	0111 1110	~	Tilde
127	0x7F	177	0111 1111	DEL	Delete

Common Keyboard Shortcuts

About This Tool

The ASCII Code Reference Table is a practical online reference tool that includes complete encoding information for all 0-127 ASCII characters, including decimal, hexadecimal, octal, and binary representations. It offers six-category filtering (control, space, digit, uppercase, lowercase, symbol) and supports multi-dimensional smart search by character, code value (decimal, 0x hex, 0o octal, binary), name, or category. Each character's char, decimal, hex, octal, and binary values can be copied with one click, making it convenient for programming and debugging. Quick reference buttons for common characters (space, newline, carriage return, tab, digits, uppercase/lowercase letters) are provided. Supports Ctrl+K to focus the search box and Escape to clear filters. With a clean, beautiful interface and dark mode support, it is the ideal tool for developers, students, and anyone who needs to look up ASCII codes.

Features

📊 Complete Coverage: All 0-127 ASCII character codes included
🔍 Multi-dimensional Search: Search by character, code value (decimal/0x hex/0o octal/binary), name, or category
📂 Six Categories: Browse control, space, digit, uppercase, lowercase, and symbol characters separately
📋 One-Click Copy: Copy character, decimal, hex, octal, or binary with a single click
🎯 Quick Reference: Quick filter buttons for space, newline, carriage return, tab, digits, and letters
⌨️ Keyboard Shortcuts: Ctrl+K to focus search, Escape to clear filters
⚡ Instant Response: Real-time search and filtering

ASCII Code Reference Table

ASCII Code Reference Table

Common Character Quick Reference

Common Keyboard Shortcuts

About This Tool

Features

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