For advanced users, open-source command-line tools are completely free and highly effective.
Do you know if it contains ?
Allows you to define known parts of the password (e.g., if you know it starts with 'P' and has 6 digits). Rar Password Unlocker Full WORK
Legitimate tools like Passper for RAR do exist, but their "work" is a matter of endurance, not magic: For advanced users