Do not allow passwords to be revealed in saved logins

If this policy is enabled, users cannot show passwords in saved logins.

If this policy is disabled or not configured, users can show passwords in saved logins.

Supported on: Firefox 71 or later, Firefox 68.3 ESR or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Mozilla\Firefox
Value NameDisablePasswordReveal
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

firefox.admx

Administrative Templates (Computers)

Administrative Templates (Users)