30-seconds-of-code/snippets/js/s/decode-base64-encoded-string.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Decode Base64 encoded string	snippet	javascript	node string	thread	2020-09-15T16:28:04+03:00

Decodes a string of data which has been encoded using base-64 encoding.

• Create a Buffer for the given string with base-64 encoding.
• Use Buffer.prototype.toString() to return the decoded string.

const atob = str => Buffer.from(str, 'base64').toString('binary');

atob('Zm9vYmFy'); // 'foobar'