CrackPDF RAR Password Decrypter allows you to choose the decryption methods according to your own situation.

Some features of RAR Password Decrypter:
1.Support Windows 2000 and later systems of both 32bit and 64bit.
2.Support three types of breaking password methods: Brute-force with Mask Attack (Trying all Possible Combinations), Brute-force with Mask Attack, Dictionary Attack (Recommended)..
3.Support to set RAR password length and characters in Brute-force with Mask Attack mode.
4.Allow to add the dictionary files in Dictionary Attack mode.
5.Enable to auto-save the current breaking state every 15 minutes by default. The time can also be customized.
6.Support to shut down the computer after the cracking finishes if you need.