How to set up and use iCloud Keychain on iPhone

Managing passwords can be overwhelming, but Apple makes it easier with iCloud Keychain. This built-in feature stores and syncs your passwords, credit card information, and Wi-Fi logins securely across all your Apple devices.

At Asurion, we help millions of people simplify their tech every day—so you can trust our experts to walk you through setting it up.

What is iCloud Keychain?

iCloud Keychain is Apple’s password manager. It remembers and autofills your usernames, passwords, credit card details, and Wi-Fi networks. All data is encrypted and stored securely, so only you can access it. For a broader look at iCloud and what it offers beyond Keychain, check out our guide on what is iCloud and how do I use it.

How to turn on iCloud Keychain on iPhone

Follow these steps to get started:

1. Open Settings.
2. Tap your Apple ID name at the top.
3. Select iCloud.
4. Tap Keychain.
5. Turn on iCloud Keychain.

Once it’s enabled, your saved passwords and other information will sync with your other Apple devices signed in with the same Apple ID.

How to add and manage passwords in iCloud Keychain

After setting up iCloud Keychain, you can start saving and using passwords:

1. Open Settings.
2. Scroll down and tap Passwords.
3. Sign in using your Face ID, Touch ID, or passcode.
4. Tap + to add a new login.
5. Enter the website, username, and password, then tap Done.

From this menu, you can search saved logins, delete old ones, or update changed passwords. For a look at Apple’s new password management interface in iOS 18 that streamlines this experience, explore how to use the new Passwords app in iOS 18.

How to use iCloud Keychain for autofill

Once enabled, iCloud Keychain can autofill your information:

1. In Safari or a login screen, tap the username or password field.
2. Your saved login appears above the keyboard.
3. Tap the suggestion to autofill (Face ID or Touch ID may be required).

You can also store credit card info for quick autofill at checkout.

Why you should use iCloud Keychain

Turning on iCloud Keychain can:

• Save time by autofilling logins and payments.
• Help you create stronger, unique passwords without needing to remember them.
• Keep your information secure with end-to-end encryption.

For tips on creating strong passwords and boosting your security, check out how to create a strong password.

FAQ

Is iCloud Keychain safe to use?

Yes. Apple uses advanced encryption to keep your data private. Only you can access your Keychain.

Can I use iCloud Keychain on non-Apple devices?

No. iCloud Keychain only works on Apple devices like iPhone, iPad, and Mac.

What happens if I turn off iCloud Keychain?

Your information stops syncing across devices. You can choose to keep it on your iPhone or delete it.

Can iCloud Keychain generate passwords?

Yes. When signing up for a new account in Safari, you’ll see a suggested Use Strong Password prompt. Tap it to generate and save a secure password.