LastPass is a freemium cloud-based password management service.
Works on Windows/OSX/Linux, Android/iOS/WP/BlackBerry, Chrome/Firefox/Opera/Safari/IE.
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Pro Seamless autofill and password generator via plugins for all popular browsers
All common browsers, including Opera, have plugins that allow automatically filling in forms and generating passwords. All form fill information syncs across all platforms, devices and browsers. Password generator can be adjusted to use or exclude certain characters and patterns.
Pro Automatic cloud backup and cross-device sync
LastPass keeps an encrypted copy of all passwords locally as well as an encrypted copy on their servers. That way, passwords can be accessed locally while offline, or through their server while online from any machine.
Pro Multifactor authentication
LastPass offers multiple multifactor authentication options, including Google Authenticator, Grid Multifactor Authentication, Microsoft Authenticator App, Toopher Authentication, Duo Security Authentication, Transakt Authentication, Sesame Multifactor Authentication, Smart Card Authentication and Yubikey Multifactor Authentication.
Pro Clean and intuitive UI
Since version 3.0 the LastPass interface is clean and easy to navigate on all platforms.
Pro Has a free tier and a cheap premium tier
LastPass offers a free tier. The paid tier ($1/mo) adds unlimited use of LastPass mobile apps, more multifactor authentication options, ad-free and priority assistance and tools for locked-down computers.
Pro Works with portable versions of Chrome and Firefox
Pro Automatic security monitoring
LastPass will check for re-used and unsafe passwords.
Pro Works on Linux
LastPass alongside KeePassX are the only cloud-syncing password managers that work on Linux.
Pro All encryption and decryption is done locally
All the encryption and decryption is done by the client (JS/App) so even LastPass doesn't have access to passwords.
Pro Offers multiple export options
LastPass can dump the whole database as a .csv file or an encrypted file that can then be decrypted using LastPass Pocket as well as separately export Wi-Fi passwords and autofill information. Additional export options are available on a per-browser basis.
Pro Allows sharing passwords with one person or a group of people
LastPass allows sharing login data for a site with another user of LastPass without exposing the password. Great for allowing friends, family or coworkers access a site.
Pro Can create one-time passwords for accessing the Vault
LastPass allows creating passwords for accessing the LastPass Vault that can only be used once. Great for accessing the Vault in public or untrusted places.
Pro Does not require a standalone app
While many password managers require a standalone app to be installed on the system, LastPass does not and can function via browser plugins.
Pro Fingerprint verification
Some fingerprint readers, like TouchID on iOS devices, can be set up to be used to access LastPass instead of a master password.
Pro Allows downloading an encrypted database backup that can only be decrypted with LastPass Pocket
LastPass Pocket is a standalone personal database decrypter. It's a portable executable, meaning it does not need to be installed, that is used to decrypt a local encrypted copy of the password database.
Pro Yubikey Support
Pro Vetted by Steve Gibson
Steve Gibson is a well established security researcher best know for his work with Apple and Atari systems as well as founding Gibson Research Corporation. He was given access to LastPass' source code and confirmed that it's safe to trust its security.
Pro Works even with browsers that don't support plugins
Via a clever use of bookmarklets, LastPass works on browsers that don't inherently support bookmarklets, like Opera or Safari on iOS.
Pro Military grade encryption
Pro Credit monitoring in US
LastPass can be set to notify if a user's credit report suddenly changes.
Pro Offers their own browser on iOS
LastPass offers a browser for iOS with LastPass functionality specifically to circumvent the lack of plugin support on Safari.
Con The service has security issues
On Jun 15, 2015 LastPass issued a statement that attackers gained access to their system and got their hands on hashed master passwords.
Con Mobile apps are available for premium users only
Only premium subscribers can access its iOS, Android, Windows, and BlackBerry mobile apps.
Con Forced cloud backup
The is no way to opt-out of saving all of passwords on LastPass servers.
Con Not free/libre
This application is proprietary, and thus cannot be modified, freely distributed, or trusted to be secure.
Con Has no menubar app or standalone application
Con When generating passwords, LastPass tends to put the wrong info in forms
For forms with both an email address and username, LastPass tends to mix up and overwrite information.
Con History of bad support for the company behind LastPass
You never know how much you will pay for it because LogMeIn did the same with Hamachi product. Support will be bad.
Con Somewhat poor customer service
Con Forgets to ask "add new site?" on some websites
So you are forced to add a new site manually, which takes too long (relatively speaking).
Con Mobile apps are not intuitive
Con Doesn't always log out when idle
This issue is especially common with the mobile app.