How to retrieve your iCloud Keychain passwords
Apple’s iCloud Keychain aims to help keep your online accounts more secure, and saves time when logging into accounts as it saves your login credentials on certain sites. You can delete your saved passwords from iCloud Keychain through your device’s settings.
Apple helps create account passwords when you’re setting up a new account or changing a current account password in Safari. The password is saved to your iCloud account, retrievable by another Apple device with iCloud Keychain enabled, especially handy if you have multiple Apple devices.
To find the passwords you have saved already in iCloud Keychain, launch the Settings app go to Safari > Passwords & Autofill > Saved Passwords.
Select an entry to see the username and password for the respective account, you will be asked to enter your iPhone passcode to view this information. Copy any of the information listed by pressing and holding on the text field, selecting copy and then pasting in the relevant area.
iCloud Keychain is a secure and easy way to save your passwords for the accounts which you use regularly!