Octet bitstream

	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
00	0	1	10	11	100	101	110	111	1000	1001	1010	1011	1101	1101	1110	1111
10	10000	10001	10010	10011	10100	10101	10110	10111	11000	11001	11010	11011	11101	11101	11110	11111
20	100000	100001	100010	100011	100100	100101	100110	100111	101000	101001	101010	101011	101101	101101	101110	101111
30	110000	110001	110010	110011	110100	110101	110110	110111	111000	111001	111010	111011	111101	111101	111110	111111
40	1000000	1000001	1000010	1000011	1000100	1000101	1000110	1000111	1001000	1001001	1001010	1001011	1001101	1001101	1001110	1001111
50	1010000	1010001	1010010	1010011	1010100	1010101	1010110	1010111	1011000	1011001	1011010	1011011	1011101	1011101	1011110	1011111
60	1100000	1100001	1100010	1100011	1100100	1100101	1100110	1100111	1101000	1101001	1101010	1101011	1101101	1101101	1101110	1101111
70	1110000	1110001	1110010	1110011	1110100	1110101	1110110	1110111	1111000	1111001	1111010	1111011	1111101	1111101	1111110	1111111
80	10000000	10000001	10000010	10000011	10000100	10000101	10000110	10000111	10001000	10001001	10001010	10001011	10001101	10001101	10001110	10001111
90	10010000	10010001	10010010	10010011	10010100	10010101	10010110	10010111	10011000	10011001	10011010	10011011	10011101	10011101	10011110	10011111
A0	10100000	10100001	10100010	10100011	10100100	10100101	10100110	10100111	10101000	10101001	10101010	10101011	10101101	10101101	10101110	10101111
B0	10110000	10110001	10110010	10110011	10110100	10110101	10110110	10110111	10111000	10111001	10111010	10111011	10111101	10111101	10111110	10111111
C0	11000000	11000001	11000010	11000011	11000100	11000101	11000110	11000111	11001000	11001001	11001010	11001011	11001101	11001101	11001110	11001111
D0	11010000	11010001	11010010	11010011	11010100	11010101	11010110	11010111	11011000	11011001	11011010	11011011	11011101	11011101	11011110	11011111
E0	11100000	11100001	11100010	11100011	11100100	11100101	11100110	11100111	11101000	11101001	11101010	11101011	11101101	11101101	11101110	11101111
F0	11110000	11110001	11110010	11110011	11110100	11110101	11110110	11110111	11111000	11111001	11111010	11111011	11111101	11111101	11111110	11111111

Base64 Content-Transfer-Encoding (Index value)

	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
00	A(0)	B(1)	C(2)	D(3)	E(4)	F(5)	G(6)	H(7)	I(8)	J(9)	K(10)	L(11)	M(12)	N(13)	O(14)	P(15)
10	Q(16)	R(17)	S(18)	T(19)	U(20)	V(21)	W(22)	X(23)	Y(24)	Z(25)	a(26)	b(27)	c(28)	d(29)	e(30)	f(31)
20	g(32)	h(33)	i(34)	j(35)	k(36)	l(37)	m(38)	n(39)	o(40)	p(41)	q(42)	r(43)	s(44)	t(45)	u(46)	v(47)
30	w(48)	x(49)	y(50)	z(51)	0(52)	1(53)	2(54)	3(55)	4(56)	5(57)	6(58)	7(59)	8(60)	9(61)	+(62)	/(63)

Hexadecimal <=> Decimal

	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
00	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
10	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
20	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47
30	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63
40	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79
50	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95
60	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111
70	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127
80	128	129	130	131	132	133	134	135	136	137	138	139	140	141	142	143
90	144	145	146	147	148	149	150	151	152	153	154	155	156	157	158	159
A0	160	161	162	163	164	165	166	167	168	169	170	171	172	173	174	175
B0	176	177	178	179	180	181	182	183	184	185	186	187	188	189	190	191
C0	192	193	194	195	196	197	198	199	200	201	202	203	204	205	206	207
D0	208	209	210	211	212	213	214	215	216	217	218	219	220	221	222	223
E0	224	225	226	227	228	229	230	231	232	233	234	235	236	237	238	239
F0	240	241	242	243	244	245	246	247	248	249	250	251	252	253	254	255