Do not allow passwords to be revealed in saved logins
Supported on: Firefox 71 or later, Firefox 68.3 ESR or later
Registry
HKLM
Software\Policies\Mozilla\Firefox HKCU
Software\Policies\Mozilla\Firefox Value name: DisablePasswordReveal
Enabled: DisablePasswordReveal = 1
Disabled: DisablePasswordReveal = 0
Description
If this policy is enabled, the user cannot show passwords in saved logins. If this policy is disabled or not configured, the user can show passwords in saved logins.