Window btoa() method

Definition and Usage

btoa() The method encodes the string in base-64.

btoa() The method encodes the string using the characters "A-Z", "a-z", "0-9", "+", "/", and "=".

Tip:Use atob() method The method decodes base-64 encoded strings.

See also:

atob() method

Example

Encode string in base-64:

let text = "Hello World!";
let encoded = window.btoa(text);

Try it yourself

Syntax

window.btoa(string)

Parameter

Parameter Beskrivelse
string Required. The string to be encoded.

Return value

Type Beskrivelse
Streng base-64 kodede strenge.

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