Online Base64 Encoder and Decoder Tool

Online Base64 Encoder and Decoder Tool

Usually in a computer machine, a message is in binary format which is composed by 8 bit characters. A major drawback of binary data is that it cannot be attached to emails and similar channels as some characters have special meaning. To resolve this issue, instead of the 8 bit digits, Base64 makes use od 6 bit words. So the term Base64 originates from a specific MIME content transfer encoding. As Base64 makes use of only legit ASCII characters, they can be used with any medium like email attachements.


Online Base64 Encoder
 

The String which is to be encoded using Base64
Online Base64 Decoder
 

The Base64 encoded value to be decoded to string   
The following table represents each base64 digit with the equivalent values in binary.
Index Binary Char Index Binary Char Index Binary Char Index Binary Char
0 000000 A 16 010000 Q 32 100000 g 48 110000 w
1 000001 B 17 010001 R 33 100001 h 49 110001 x
2 000010 C 18 010010 S 34 100010 i 50 110010 y
3 000011 D 19 010011 T 35 100011 j 51 110011 z
4 000100 E 20 010100 U 36 100100 k 52 110100 0
5 000101 F 21 010101 V 37 100101 l 53 110101 1
6 000110 G 22 010110 W 38 100110 m 54 110110 2
7 000111 H 23 010111 X 39 100111 n 55 110111 3
8 001000 I 24 011000 Y 40 101000 o 56 111000 4
9 001001 J 25 011001 Z 41 101001 p 57 111001 5
10 001010 K 26 011010 a 42 101010 q 58 111010 6
11 001011 L 27 011011 b 43 101011 r 59 111011 7
12 001100 M 28 011100 c 44 101100 s 60 111100 8
13 001101 N 29 011101 d 45 101101 t 61 111101 9
14 001110 O 30 011110 e 46 101110 u 62 111110 +
15 001111 P 31 011111 f 47 101111 v 63 111111 /

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