#TIL : Base 64 encode and decode builtin tool

Browsers have helpers function to encode and decode base64 :

  • btoa : base64 encode
  • atob : base64 decode
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> btoa('Hello world')
"SGVsbG8gV29ybGQgIQ=="

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