Encodes a string as a URL Safe Base64 string. This function encodes to the RFC 4648 Spec where '+' is encoded as '-' and '/' is encoded as '_'. The padding character '=' is removed. Permission is ...

encodeString(input: string): string Convert any UTF-8 string → Base64. decodeToString(b64: string): string Decode Base64 → UTF-8 string. decodeToBytes(b64: string): string Base64 → binary bytes ...