ASCII Table

American Standard Code for Information Interchange (ASCII) - Complete character encoding reference.

About ASCII

ASCII (American Standard Code for Information Interchange) is a character encoding standard that represents text in computers and communication equipment.

Covers decimal values 0-127 (7-bit encoding)
Includes control characters (0-31), printable characters (32-126), and DEL (127)
Essential for understanding character representation in computing

Text to Hex Converter

Enter Text:

Hex Output:

Live conversion as you type. Each character converted to hexadecimal.

Control Characters

Range: 0-31

Non-printable characters used for device control and text formatting.

Examples: NUL, LF, CR, ESC

Printable Characters

Range: 32-126

Visible characters including letters, numbers, punctuation, and symbols.

Examples: A-Z, a-z, 0-9, !, @, #

Delete Character

Value: 127

Originally used to delete characters on paper tape by punching all holes.

Symbol: DEL

Complete ASCII Character Table

Dec	Hex	Char	Description	Dec	Hex	Char	Description	Dec	Hex	Char	Description	Dec	Hex	Char	Description
0	00	NUL	Null	32	20	SP	Space	64	40	@	At sign	96	60	`	Grave accent
1	01	SOH	Start of Heading	33	21	!	Exclamation mark	65	41	A	Uppercase A	97	61	a	Lowercase a
2	02	STX	Start of Text	34	22	"	Quotation mark	66	42	B	Uppercase B	98	62	b	Lowercase b
3	03	ETX	End of Text	35	23	#	Number sign	67	43	C	Uppercase C	99	63	c	Lowercase c
4	04	EOT	End of Transmission	36	24	$	Dollar sign	68	44	D	Uppercase D	100	64	d	Lowercase d
5	05	ENQ	Enquiry	37	25	%	Percent sign	69	45	E	Uppercase E	101	65	e	Lowercase e
6	06	ACK	Acknowledge	38	26	&	Ampersand	70	46	F	Uppercase F	102	66	f	Lowercase f
7	07	BEL	Bell	39	27	'	Apostrophe	71	47	G	Uppercase G	103	67	g	Lowercase g
8	08	BS	Backspace	40	28	(	Left parenthesis	72	48	H	Uppercase H	104	68	h	Lowercase h
9	09	HT	Horizontal Tab	41	29	)	Right parenthesis	73	49	I	Uppercase I	105	69	i	Lowercase i
10	0A	LF	Line Feed	42	2A	*	Asterisk	74	4A	J	Uppercase J	106	6A	j	Lowercase j
11	0B	VT	Vertical Tab	43	2B	+	Plus sign	75	4B	K	Uppercase K	107	6B	k	Lowercase k
12	0C	FF	Form Feed	44	2C	,	Comma	76	4C	L	Uppercase L	108	6C	l	Lowercase l
13	0D	CR	Carriage Return	45	2D	-	Hyphen-minus	77	4D	M	Uppercase M	109	6D	m	Lowercase m
14	0E	SO	Shift Out	46	2E	.	Period	78	4E	N	Uppercase N	110	6E	n	Lowercase n
15	0F	SI	Shift In	47	2F	/	Solidus	79	4F	O	Uppercase O	111	6F	o	Lowercase o
16	10	DLE	Data Link Escape	48	30	0	Digit zero	80	50	P	Uppercase P	112	70	p	Lowercase p
17	11	DC1	Device Control 1	49	31	1	Digit one	81	51	Q	Uppercase Q	113	71	q	Lowercase q
18	12	DC2	Device Control 2	50	32	2	Digit two	82	52	R	Uppercase R	114	72	r	Lowercase r
19	13	DC3	Device Control 3	51	33	3	Digit three	83	53	S	Uppercase S	115	73	s	Lowercase s
20	14	DC4	Device Control 4	52	34	4	Digit four	84	54	T	Uppercase T	116	74	t	Lowercase t
21	15	NAK	Negative Acknowledge	53	35	5	Digit five	85	55	U	Uppercase U	117	75	u	Lowercase u
22	16	SYN	Synchronous Idle	54	36	6	Digit six	86	56	V	Uppercase V	118	76	v	Lowercase v
23	17	ETB	End of Transmission Block	55	37	7	Digit seven	87	57	W	Uppercase W	119	77	w	Lowercase w
24	18	CAN	Cancel	56	38	8	Digit eight	88	58	X	Uppercase X	120	78	x	Lowercase x
25	19	EM	End of Medium	57	39	9	Digit nine	89	59	Y	Uppercase Y	121	79	y	Lowercase y
26	1A	SUB	Substitute	58	3A	:	Colon	90	5A	Z	Uppercase Z	122	7A	z	Lowercase z
27	1B	ESC	Escape	59	3B	;	Semicolon	91	5B	[	Left square bracket	123	7B	{	Left curly bracket
28	1C	FS	File Separator	60	3C	<	Less-than sign	92	5C	\	Reverse solidus	124	7C	\|	Vertical line
29	1D	GS	Group Separator	61	3D	=	Equals sign	93	5D	]	Right square bracket	125	7D	}	Right curly bracket
30	1E	RS	Record Separator	62	3E	>	Greater-than sign	94	5E	^	Circumflex accent	126	7E	~	Tilde
31	1F	US	Unit Separator	63	3F	?	Question mark	95	5F	_	Low line	127	7F	DEL	Delete