This is a free password recovery tool that works on the command-line and can recover passwords for various instant messengers. It is an all-in-one solution that is easy to use.

What's great about IM Password Dump is that it automatically detects installed messengers on your system and retrieves all the stored account passwords within seconds. By default, the tool dumps all the recovered passwords to the console, but you also have the option to save them to a text file.
One of the best things about this tool is that it is a command-line based application, making it an ideal tool for penetration testers and forensic investigators. Additionally, IM Password Dump is compatible with both 32-bit and 64-bit operating systems, starting from Windows XP to the latest Windows 10 version.
Overall, if you need a reliable tool to recover lost passwords from instant messengers, IM Password Dump is the way to go. And if you prefer a GUI version of the tool, be sure to check out Messenger Password Decryptor.
Version 4.0: Major 2017 edition featuring new installer for easier installation & un-installation