Like most online tools you will need to upload the archive file to the website before the process can begin. You can also use Password-Online to decrypt an RAR file. If you can’t find the password on the first try, you can choose to use the premium version that searches a larger database of up to 20 billion passwords and increases the chances of success to 61%.This initial search is free although the chances of success are very low at only 22%.To use this tool, all you have to do is upload the protected RAR archive onto the website and wait while the too searches more than 3 million passwords for the particular password to unlock the archive. Lost my Pass is an online RAR password Unlocker that uses a large database of commonly used passwords to find the password for the archive. The following are some of the most effective online tools that you can use to unlock a protected RAR archive: 1.

Comparison between RAR Password Unlocker Online and Offline Tool