It's OK to forget all of your passwords — except one.

Chances are, you have dozens of online accounts that all require a password. If you're doing things right, they also require complex, unique passwords that are hard to crack... and to remember. Instead of writing them down on a piece of paper, you can save them in one app and only have to remember one password — the one to unlock the rest.

Password managers are digital vaults where you can keep all of your important information, like logins, credit card numbers, PINs, and more. You can even create a secure note with secret stuff, like future baby names or the answers to life. If you haven't already invested in a password manager, take a look at our favorites and see if any of them suit your needs.

1Password

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1Password is a staple of the Apple community. It lets you store an unlimited amount of passwords, credit card numbers, addresses, and more. It uses AES 256-encryption and includes support for unlocking with Touch ID. You can use the customizable password generator feature to create complex passwords and not have to worry about remembering them because they will always be stored safely in the vault.

You can organize passwords with tags and mark them as favorites. When you upgrade to the pro model for $9.99, you can access special templates that allow you to save bank accounts, driver's licenses, passports, and more. You'll also get Apple Watch support so you can view your favorite passwords right on your wrist. For those who want to share some passwords with others, 1Password also offers options for teams and families.

1Password also features a robust desktop app that will sync with your iPhone and iPad, and the browser widget makes it possible for you to auto-fill passwords, and even go directly to a site.

If this is your first time delving into the password manager world, 1Password is a great app for getting you started, but also has enough features to be the only one you ever use.

LastPass

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LastPass specializes in automatically organizing your entries for you. It has three main categories: websites, form fills, and secure notes, which are used for such things as driver's license numbers and credit card information. Select a category, then pick a template, and you will be able to fill in all of the necessary information for a specific account.

You can find website passwords at a glance because LastPass features logos for dozens of popular sites. So, if you are looking for your Amazon sign-in, just look for the logo. Secure notes each have a icon, too. So finding that passport number is as simple as looking for the icon. The password generator creates complex passwords that you can use to secure your accounts.

The form fill feature makes it possible for you to create templates that can be used when filling out information for such things as hotel reservations, creating new accounts, and more. LastPass also has a desktop app and Apple Watch support.

LastPass uses AES 256-bit encryption and supports Touch ID. For $11.99 per year, you can sync across an unlimited amount of devices and computers, share logins with others, and additional multi-step authentication options.

If you don't want to take the extra steps of tagging and organizing passwords yourself, and if pre-made fill-in forms sound like something you will use, give LastPass a try.

mSecure

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mSecure is designed to make entering new password or other record information quick and easy. It features more than a dozen premade templates and hundreds of icons that you can choose from to make your login list look exactly the way you want it to.

Thanks to the robust and customizable tagging features, you can organize and filter items to track down what you are looking for more easily. You can mark favorites to keep them in a special folder, sort them by date, type, or group, and browse through entries in different folders.

For an additional $2.99, you can add an in-app camera so you can take a snapshot of information if you are too busy to create a full entry at the moment. The added purchase also gives you access to even more customizable icons, including uploading your own creations.

mSecure uses Blowfish's 256-bit encryption and supports Touch ID. You can use the Apple Watch companion to access your favorite passwords. Grab the mSecure Mac app to sync across multiple devices and computers. It is a well-rounded general use password manager.

If you prefer having more control over how your passwords are organized with tags and filters and want to custom-build your vault, mSecure has what you need.

Enpass

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With Enpass, you can store all of your passwords, credit card numbers, passport info, and more. It features a selection of templates that make it easy to enter the pertinent information for a specific login. It is deeply integrated with an in-app browser, which makes it easy for you to fill in forms right from inside, without needing to copy and paste anything. But, it also has an extension for Safari, so you can use the default browser and quickly access passwords from the app sharing tool.

Enpass has a desktop app and uses your preferred cloud storage (iCloud, Dropbox, Google Drive, OneDrive, ownCloud, WebDAV, or Box) to sync across devices. Information is stored locally on your device or cloud storage.

SQLCIPHER's AES 256-bit encryption keeps Enpass safe, and Touch ID support keeps it convenient. The Apple Watch companion lets you see your favorite passwords on your wrist. The free version is limited to 20 passwords, but for $9.99, you can unlock the unlimited version.

Enpass is a great app for people that want the simplicity and security of logging into a website account right from within the vault.

PasswordWallet

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PasswordWallet focuses on making logging in to websites seamless. When you create a login card, enter the website URL. Then, when you need to visit a web page, you can select the Visit icon directly from the entry page to log in. You can also copy username, password, or URL information with one tap and paste it in by visiting the website through Safari.

You can backup your entire PasswordWallet via a web browser, through iTunes, or by sending an email. You can then open the backup on your computer using the desktop app, which is available for $20.

It uses Blowfish 448-bit encryption for faster block ciphering and supports Touch ID. One of my favorite things about PasswordWallet is that you can create and manage multiple wallets. So, if you wanted to build a wallet exclusively for credit cards, and another just for social media sites, you can manage them easily.

If you tend to keep groups of passwords separated by work, home, or school, use PasswordWallet.

Keeper

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Keeper is big on organizing your passwords by putting them into folders. Like having a filing cabinet under lock-and-key, all of your passwords are organized by type in a category folder. You can also quickly search for a specific item using dynamic search. Once you've built up your folders, you can filter them by date added, favorites, and ones you've shared with others.

You can share individual password account information, or entire folders, with other Keeper owners simply by sending them an email invitation. It uses AES 256-bit encryption with TRUSTe and SOC-2 certification.

You can use multi-step authentication to secure your information even more. Keeper supports Touch ID. It uses a multi-factor authentication system called "Keeper DNA," which allows you to set up a secondary verification process. So, if someone does manage to get into your vault, with Keeper DNA, access to passwords you designate will require additional verification from your Apple Watch before entry is allowed. Plus, you can quickly view your favorite passwords on your wrist with the companion app.

Keeper requires a subscription to keep your data synced across multiple devices, which is available for $29.99 per year. It is great for people that get great satisfaction out of meticulously organized passwords.

If the added security of double-authentication is necessary in your life, check out Keeper.

eWallet

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The great thing about eWallet is the way it looks. Each folder can be specially customized with a title, icon, and category. Inside the folders, you can build cards with special customizable template made specifically for different types of record keepers, like bank accounts, prescription numbers, passport information, and more.

Each card is displayed like a credit card with all information on the face, except the password, which is hidden from view until you tap on it. When you check the information on the card, you can link to available web pages to enter the login information directly. You can also switch over to Safari if you'd prefer.

eWallet uses AES 256-bit encryption and supports Touch ID. Information can be synced with the $9.99 Mac app for even more versatility.

If the thought of using a password manager is intimidating to you, try eWallet. It has a friendly look and is easy to figure out, while still being a secure vault for your important data.

Your favorite?

Do you use a password manager that we didn't include on this list? What is your favorite, and what makes it stand out from the others?