(Assuming you have not enabled extra layers of security - meaning disk encryption (FileVault)). Mac Unlocker preserves data on your Mac, meaing you will have access to your private files after unlocking (no data-loss).
If you have a Mac manufactured between years 2018-2020 this is the right choice for you.
Mac Unlocker is an instant solution to reset Mac firmware password protection and SecureBoot for all Apple Mac computers with a T2 security chip (MacBook Pro and Air, iMac, iMac Pro, Mac Pro, Mac Mini) without data loss. At this point it doesn’t matter if you forgot the Mac firmware password, this service will erase of it for good. If you don’t have Apple Store near you or your support period is no longer active you can try using Mac Unlocker Service to get rid of the Mac’s firmware password for good.
In perfect situation you have linked your Apple ID to your user account when you were performing the initial macos setup, if so it will be possible to use this Apple ID in order to reset your forgotten mac password. Method 2: Use Mac unlocker tool to erase firmware password on T2 chip Enter the firmware password when you see the lock and password field: Your Mac asks for the firmware password only when attempting to start up from a storage device other than the one selected in Startup Disk preferences, or when starting up from macOS Recovery.
Here’s how to do it: Open Finder > Applications. Since you don’t really need an app to cover more than one or two languages, you can delete the rest.
The firmware password was created to "protect" your Mac.