ASCII Character Set

Any character can be inserted into a URL using the escape sequence %DD where the DD is the two-digit hexadecimal code for the character.

The table below is a complete listing of the 128 ASCII character codes in decimal, octal and hexadecimal. The ASCII characters set is a subset of the ISO Latin-1 character set. ISO Latin-1 contains 256 characters.

Decimal	Octal	Hexadecimal	Character	Decimal	Octal	Hexadecimal	Character
0	000	00	NUL	64	100	40	@
1	001	01	SOH	65	101	41	A
2	002	02	STX	66	102	42	B
3	003	03	ETX	67	103	43	C
4	004	04	EOT	68	104	44	D
5	005	05	ENQ	69	105	45	E
6	006	06	ACK	70	106	46	F
7	007	07	BEL	71	107	47	G
8	010	08	BS	72	110	48	H
9	011	09	HT	73	111	49	I
10	012	0A	LF	74	112	4A	J
11	013	0B	VT	75	113	4B	K
12	014	0C	FF	76	114	4C	L
13	015	0D	CR	77	115	4D	M
14	016	0E	SO	78	116	4E	N
15	017	0F	SI	79	117	4F	O
16	020	10	DLE	80	120	50	P
17	021	11	DC1	81	121	51	Q
18	022	12	DC2	82	122	52	R
20	024	14	DC4	84	124	54	T
21	025	15	NAK	85	125	55	U
22	026	16	SYN	86	126	56	V
23	027	17	ETB	87	127	57	W
24	030	18	CAN	88	130	58	X
25	031	19	EM	89	131	59	Y
26	032	1A	SUB	90	132	5A	Z
27	033	1B	ESC	91	133	5B	[
28	034	1C	FS	92	134	5C	\
29	035	1D	GS	93	135	5D	]
30	036	1E	RS	94	136	5E	^
31	037	1F	US	95	137	5F	_
32	040	20	<SPACE>	96	140	60	`
33	041	21	!	97	141	61	a
34	042	22	"	98	142	62	b
35	043	23	#	99	143	63	c
36	044	24	$	100	144	64	d
37	045	25	%	101	145	65	e
38	046	26	&	102	146	66	f
39	047	27	'	103	147	67	g
40	050	28	(	104	150	68	h
41	051	29	)	105	151	69	i
42	052	2A	*	106	152	6A	j
43	053	2B	+	107	153	6B	k
44	054	2C	,	108	154	6C	l
45	055	2D	-	109	155	6D	m
46	056	2E	.	110	156	6E	n
47	057	2F	/	111	157	6F	o
48	060	30	0	112	160	70	p
49	061	31	1	113	161	71	q
50	062	32	2	114	162	72	r
51	063	33	3	115	163	73	s
52	064	34	4	116	164	74	t
53	065	35	5	117	165	75	u
54	066	36	6	118	166	76	v
55	067	37	7	119	167	77	w
56	070	38	8	120	170	78	x
57	071	39	9	121	171	79	y
58	072	3A	:	122	172	7A	z
59	073	3B	;	123	172	7B	{
60	074	3C	<	124	173	7C	|
61	075	3D	=	125	174	7D	}
62	076	3E	>	126	175	7E	~
63	077	3F	?	127	176	7F	<DEL>