#TIL : Base 64 encode and decode builtin tool

Browsers have helpers function to encode and decode base64 :

• btoa : base64 encode
• atob : base64 decode

> btoa('Hello world')
"SGVsbG8gV29ybGQgIQ=="

> atob('SW4gR29kIFdlIFRydXN0ICE=')
"In God We Trust !"