Decrypting password 7 passwords can be done on Cisco routers, so you actually don’t have to go onto the internet and download a password-decrypter. Here is how you do it:

Rack1R1(config)#key chain MYKEY

Rack1R1(config)#key 1

Rack1R1(config)#key-string 7 puthereyourpasswordyouwanttodecrypt

Rack1R1(config)# show key chain