I Forgot My Password * Select Forgot Password or Username? on the Roblox Login page. ... * Enter your email address in the box. .. Roblox Support
If you previously saved your login details, your device's built-in manager is the most reliable "revealer." Password Revealer Roblox
For a "Password Revealer" tool to work, it would have to: I Forgot My Password * Select Forgot Password or Username