What is base64 Encoding and Why is it Necessary?

base64 Base64 is a method of encoding binary data as ASCII text This is necessary for sending files via Internet email, which can only handle 7-bit ASCII text

Class This class implements a decoder for decoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045 The Base64 base64 Base64 Encoding You can provide image data to the Vision API by specifying the URI path to the image, or by sending the image data as Base64 encoded text