[valid]
# empty string
Binary = 
Base64 = 

Binary = 66
Base64 = Zg==

Binary = 666F
Base64 = Zm8=

Binary = 666F6F
Base64 = Zm9v

Binary = 68656C6C6F20776F726C64
Base64 = aGVsbG8gd29ybGQ=

Binary = 68656C6C6F20776F726C6421
Base64 = aGVsbG8gd29ybGQh

Binary = 48656C6C6F2C20776F726C642E
Base64 = SGVsbG8sIHdvcmxkLg==

Binary = 546865203132206368617273
Base64 = VGhlIDEyIGNoYXJz

Binary = 5468652031332063686172732E
Base64 = VGhlIDEzIGNoYXJzLg==

Binary = 5468652031342063686172732E2E
Base64 = VGhlIDE0IGNoYXJzLi4=

Binary = 5468652031352063686172732E2E2E
Base64 = VGhlIDE1IGNoYXJzLi4u

Binary = 416E205554462D382075756D6C3A20C3BC
Base64 = QW4gVVRGLTggdXVtbDogw7w=

Binary = 5765697264204765726D616E20322062797465207468696E673A20C39F2E
Base64 = V2VpcmQgR2VybWFuIDIgYnl0ZSB0aGluZzogw58u

Binary = 9B
Base64 = mw==

Binary = 1C60
Base64 = HGA=

Binary = 8134BD
Base64 = gTS9

Binary = 5E6CFFDE
Base64 = Xmz/3g==

Binary = b2cdf0dc7f
Base64 = ss3w3H8=

Binary = fc562ddad40e
Base64 = /FYt2tQO

Binary = 29b2322e8841e8
Base64 = KbIyLohB6A==

Binary = 0f0fced9497aaf92
Base64 = Dw/O2Ul6r5I=

Binary = 270fb18982800da640
Base64 = Jw+xiYKADaZA

[invalid]
Base64 = ZOOL!isnotvalidbase64

Base64 = Neitheris:this?