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`base64` encoding/decoding on MacOS¶

`base64` coomand¶

$ echo -n "Input:String" | base64
SW5wdXQ6U3RyaW5n

$ echo -n "SW5wdXQ6U3RyaW5n" | base64 -D
Input:String

Note: you should use base64 -D on MacOS!

Python¶

$ echo "Input:String" | python3 -m base64
SW5wdXQ6U3RyaW5nCg==

$ echo "SW5wdXQ6U3RyaW5nCg==" | python3 -m base64 -d
Input:String