Encode swift to Base64

Base64 result: c3dpZnQ=

Encode text to Base64 format

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

Destination newline separator

Process each line as a separate Base64 string

Do not store in history

Split lines into chunks

Live mode

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

Base64 Encoded Result

Encode file to Base64 format

Charset:

Click to upload or drag and drop

Encoding Process: swift to c3dpZnQ=

About the '=' Padding

Base64 encoding requires the input length (in bytes) to be divisible by 3. If it's not, padding is added: One '=' character is added when the input length modulo 3 equals 2. This ensures the encoded output is properly aligned.

Step 1: Map ASCII Characters to Binary

ASCII Character	Binary Value
s	01110011
w	01110111
i	01101001
f	01100110
t	01110100

Step 2: Group Bits into 6-bit Chunks

The binary string is grouped into 6-bit chunks for Base64 encoding:

011100 110111 011101 101001 011001 100111 0100

Step 3: Convert Binary to Base64

Binary Value	Base64 Character
011100	c
110111	3
011101	d
101001	p
011001	Z
100111	n
0100	Q

When combined, these characters form the encoded string: "c3dpZnQ="

Related Conversion Tools

Base64 Decode

About the '=' Padding

Step 1: Map ASCII Characters to Binary

Step 2: Group Bits into 6-bit Chunks

Step 3: Convert Binary to Base64

More Base64 encodings