The BASE64 Alphabet | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|

Char. | Dec. | Hex. | Char. | Dec. | Hex. | Char. | Dec. | Hex. | ||

A | 0 | 00 | W | 22 | 16 | s | 44 | 2C | ||

B | 1 | 01 | X | 23 | 17 | t | 45 | 2D | ||

C | 2 | 02 | Y | 24 | 18 | u | 46 | 2E | ||

D | 3 | 03 | Z | 25 | 19 | v | 47 | 2F | ||

E | 4 | 04 | a | 26 | 1A | w | 48 | 30 | ||

F | 5 | 05 | b | 27 | 1B | x | 49 | 31 | ||

G | 6 | 06 | c | 28 | 1C | y | 50 | 32 | ||

H | 7 | 07 | d | 29 | 1D | z | 51 | 33 | ||

I | 8 | 08 | e | 30 | 1E | 0 | 52 | 34 | ||

J | 9 | 09 | f | 31 | 1F | 1 | 53 | 35 | ||

K | 10 | 0A | g | 32 | 20 | 2 | 54 | 36 | ||

L | 11 | 0B | h | 33 | 21 | 3 | 55 | 37 | ||

M | 12 | 0C | i | 34 | 22 | 4 | 56 | 38 | ||

N | 13 | 0D | j | 35 | 23 | 5 | 57 | 39 | ||

O | 14 | 0E | k | 36 | 24 | 6 | 58 | 3A | ||

P | 15 | 0F | l | 37 | 25 | 7 | 59 | 3B | ||

Q | 16 | 10 | m | 38 | 26 | 8 | 60 | 3C | ||

R | 17 | 11 | n | 39 | 27 | 9 | 61 | 3D | ||

S | 18 | 12 | o | 40 | 28 | + | 62 | 3E | ||

T | 19 | 13 | p | 41 | 29 | / | 63 | 3F | ||

U | 20 | 14 | q | 42 | 2A | |||||

V | 21 | 15 | r | 43 | 2B | = | (pad) | (pad) | ||

When converting to binary, remember to use only 6 bits (e.g., 0x19 = binary 01 1001). You can download a BASE64 conversion program here. |

The BASE32 Alphabet | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|

Char. | Dec. | Hex. | Char. | Dec. | Hex. | Char. | Dec. | Hex. | ||

A | 0 | 00 | M | 12 | 0C | Y | 24 | 18 | ||

B | 1 | 01 | N | 13 | 0D | Z | 25 | 19 | ||

C | 2 | 02 | O | 14 | 0E | 2 | 26 | 1A | ||

D | 3 | 03 | P | 15 | 0F | 3 | 27 | 1B | ||

E | 4 | 04 | Q | 16 | 10 | 4 | 28 | 1C | ||

F | 5 | 05 | R | 17 | 11 | 5 | 29 | 1D | ||

G | 6 | 06 | S | 18 | 12 | 6 | 30 | 1E | ||

H | 7 | 07 | T | 19 | 13 | 7 | 31 | 1F | ||

I | 8 | 08 | U | 20 | 14 | |||||

J | 9 | 09 | V | 21 | 15 | = | (pad) | (pad) | ||

K | 10 | 0A | W | 22 | 16 | |||||

L | 11 | 0B | X | 23 | 17 | |||||

When converting to binary, remember to use only 5 bits (e.g., 0x19 = binary 1 1001). |

## Examples

BASE64

Convert the following 24-bit string to BASE64:

Original binary string: 01001101 01011010 10010000

Regroup into 6-bit quantities: 010011 010101 101010 010000

Convert to BASE64 characters: TVqQ

Convert the following 16-bit string to BASE64 (this could occur only at the end of a file):

Original binary string: 10110110 11000101

Regroup into 6-bit quantities and zero-pad as necessary: 101101 101100 0101

00 nullConvert to BASE64 characters: tsU=

BASE32

Convert the following 40-bit string to BASE32:

Original binary string: 11001001 01101110 10010110 00010111 10101101

Regroup into 5-bit quantities: 11001 00101 10111 01001 01100 00101 11101 01101

Convert to BASE32 characters: ZFXJMF5N

Convert the following 24-bit string to BASE32:

Original binary string: 01001101 01011010 10010000

Regroup into 5-bit quantities and zero-pad as necessary: 01001 10101 01101 01001 0000

0 null null nullConvert to BASE32 characters: JVNJA===

A useful tool that can convert between various numeric bases, including BASE 32 and BASE64, can be found at http://darkfader.net/toolbox/convert/.