Accessing iCloud passwords without a Mac
How to manually view saved passwords and credit card numbers with iCloud Keychain


Launch the Settings app on your iPhone or iPad.
Tap on Safari.
Tap on Passwords &amp; AutoFill under the General section.
Tap on either Saved Passwords or Saved Credit Cards.
Enter your 4-digit passcode if you are prompted to do so.
In this list, find the login you'd like to view the password for and tap on it.
Here you can see the login credentials for that specific account.


Source: How to view your saved passwords and credit card numbers with iCloud Keychain