Sign Up for a Service on a Website
You can create a private email in the Locker app, then copy and paste it into the website you want to sign up for. Or you can install the Locker extension for a seamless signup flow as described below. Download the Extension here.
Go to the signup form
Navigate to the signup form of the website or app you want to create an account for.
Select a private email
A popup of your private email list will appear. If the list does not show up, click the three-dot button on the popup and click the Hide Your Email button.You can select any private email you have already created. Or you can click Create New Private Email to create a new one.

Fill the email into the form
The selected (or newly created) private email will be filled into the email field.
Sign Up on Mobile Devices
You can open the Locker mobile app, create a private email from the Locker app, and then copy and paste it into the website or app you want to sign up for. Or you can use the autofill feature to create an account directly on the app or website as described below:Go to the signup form
Navigate to the website or app you want to sign up for and go to the signup form.
Open autofill
Tap the email field to bring up the keyboard. On the keyboard, tap the Locker Password Manager icon (Android) or the Passwords option (iOS).
Create a new login item
On the autofill screen that appears, tap the + button to create a new login item.
Select a private email
In the email field, tap the Hide Your Email button.You can select any private email you have already created by tapping Use Existing Private Email and choosing one. Or you can tap Create New Private Email to create a new one.

Fill the email into the form
The selected (or newly created) private email will be filled into the email field.
Create Login Credentials with a Private Email in the Locker App
In the Locker app on any platform (web app, desktop app, mobile app, or browser extension), you can quickly use a private email to hide your real email when creating new login credentials.Select a private email
Select a private email from the list you have created or click Create New Private Email.