Developer Playground

Byte Counter (UTF-8)

You can check the length and UTF-8 byte size of the entered string.

String Input

Enter your string:

Results

Length (number of characters):0

Byte Size (UTF-8):0

About UTF-8 Byte Counting

UTF-8 is a variable-width character encoding that uses between 1 and 4 bytes per character. ASCII characters (0-127) use 1 byte, while other characters may use 2-4 bytes depending on their Unicode code point.