Base64 Encoder

Encode text as standard Base64 using its UTF-8 bytes. Conversion runs in your browser.




Reverse Conversion

Base64 Decoder

How This Converter Works

Encodes text as UTF-8 bytes before standard RFC 4648 Base64 encoding.

Formula or rule

Output = Base64(UTF-8(input)).

Example

Input
Hello
Calculation
UTF-8 bytes 48 65 6C 6C 6F are grouped into Base64 sextets.
Result
SGVsbG8=