Base64 encoding and decodingThe atob() and btoa() global functions encode and decode strings to and from base 64, respectively.widely2016-09-202019-03-20https://html.spec.whatwg.org/multipage/webappapis.html#atobatob-btoahttps://developer.mozilla.org/docs/Web/API/Window/atobapi.atobapi.atob.worker_supportapi.btoaapi.btoa.worker_supporthttps://nowyoucanuse.com/features--base64encodedecode.html