If You want to change your passwords globally, this program is for You
The program by getting input from the user can generate any number of passwords from the range 1 - 10000. The length of the password can by from the range 1 - 40. Also, you can save passwords in the file with the .pass extension. The program takes very low memory on your computer. You don't have to install a program - it's just a jar file ready to run. You only need to have JVM (Java Virtual Machine).
So, if you want to change your passwords to social media and others globally this...
CloudSafe is a credential manager that can store all your access informations (applications, sites, gadgets, ...), in your Google Drive account: all data are encrypted with a master password (AES-128) and all netowork operations are protected by your Google Account and HTTPS connections.
The source code is open and you are free to check the security solution.