Base64 Alphabet Table

Inspect the standard 64-character encoding alphabet.

base64
alphabet
encoding

Value	Name	Description
0	A	6-bit value 000000.
1	B	6-bit value 000001.
2	C	6-bit value 000010.
3	D	6-bit value 000011.
4	E	6-bit value 000100.
5	F	6-bit value 000101.
6	G	6-bit value 000110.
7	H	6-bit value 000111.
8	I	6-bit value 001000.
9	J	6-bit value 001001.
10	K	6-bit value 001010.
11	L	6-bit value 001011.
12	M	6-bit value 001100.
13	N	6-bit value 001101.
14	O	6-bit value 001110.
15	P	6-bit value 001111.
16	Q	6-bit value 010000.
17	R	6-bit value 010001.
18	S	6-bit value 010010.
19	T	6-bit value 010011.
20	U	6-bit value 010100.
21	V	6-bit value 010101.
22	W	6-bit value 010110.
23	X	6-bit value 010111.
24	Y	6-bit value 011000.
25	Z	6-bit value 011001.
26	a	6-bit value 011010.
27	b	6-bit value 011011.
28	c	6-bit value 011100.
29	d	6-bit value 011101.
30	e	6-bit value 011110.
31	f	6-bit value 011111.
32	g	6-bit value 100000.
33	h	6-bit value 100001.
34	i	6-bit value 100010.
35	j	6-bit value 100011.
36	k	6-bit value 100100.
37	l	6-bit value 100101.
38	m	6-bit value 100110.
39	n	6-bit value 100111.
40	o	6-bit value 101000.
41	p	6-bit value 101001.
42	q	6-bit value 101010.
43	r	6-bit value 101011.
44	s	6-bit value 101100.
45	t	6-bit value 101101.
46	u	6-bit value 101110.
47	v	6-bit value 101111.
48	w	6-bit value 110000.
49	x	6-bit value 110001.
50	y	6-bit value 110010.
51	z	6-bit value 110011.
52	0	6-bit value 110100.
53	1	6-bit value 110101.
54	2	6-bit value 110110.
55	3	6-bit value 110111.
56	4	6-bit value 111000.
57	5	6-bit value 111001.
58	6	6-bit value 111010.
59	7	6-bit value 111011.
60	8	6-bit value 111100.
61	9	6-bit value 111101.
62	+	6-bit value 111110.
63	/	6-bit value 111111.

Source: IETF RFC 4648Reviewed: 2026-07-11

How to use Base64 Alphabet Table

Enter or select the data you want to process above.
Select “Search” to run the tool.
Review the result, then copy it or adjust the input and run again.

Base64 Alphabet Table FAQ

Does this tool store my data?

The primary operation runs in your browser. Viptool does not upload or store the content you enter.

Why can the result differ from another website?

Results depend on the input format, calculation rules, and data update time. For live information, check the provider and timestamp shown with the result.

Base64 Alphabet Table

How to use Base64 Alphabet Table

Base64 Alphabet Table FAQ

Does this tool store my data?

Why can the result differ from another website?

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