How to find signature of apk file?

Question

What\'s the easiest way to find signature of an apk file? Please note that I\'m not asking about code. I just want to find it from my pc. Signature like this one 975yYkKAQF+KST7

Answer 1

https://github.com/warren-bank/print-apk-signature

ex: print-apk-signature ./file.apk SHA-1