Decode aW9ucw== from Base64

Decoded result: ions

Word Visualization: ions

Base64 text to decode from

For encoded binaries (like images, documents, etc.) use the file upload form below.

Select output encoding

Process each line as a separate Base64 string

Do not store in history

Live mode

Decode base64 strings in real-time as you type or paste.

Base64 Decoded Result

Add file to Decode

Charset:

Click to upload or drag and drop

Decoding Process: aW9ucw== to ions

About the '=' Padding

The '=' at the end of "aW9ucw==" is padding. Base64 encoding requires the input length to be divisible by 4. When it's not, '=' characters are added as padding. These padding characters are represented as '000000' in binary but are not used in the final decoded output.

Step 1: Map Base64 Characters to Binary

Base64 Character	Binary Value	Decimal Value
a	011010	26
W	010110	22
9	111101	61
u	101110	46
c	011100	28
w	110000	48
=	padding (000000)	-
=	padding (000000)	-

Step 2: Group Bits into Bytes

The binary string is grouped into 8-bit chunks (1 byte each):

01101001 01101111 01101110 01110011 0000

Step 3: Convert Binary to ASCII

Binary Value	ASCII Character
01101001	i
01101111	o
01101110	n
01110011	s
0000

When combined, these characters form the decoded string: "ions"

Word Statistics: ions

General Statistics

Length: 4 characters
Vowels: 2
Consonants: 2

Letter Frequency

Letter	Frequency
i	1
o	1
n	1
s	1

Encode ions

Related Conversion Tools

Base64 Encode