LogMeOnce
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LogMeOnce

LogMeOnce is a single sign-on extension that logs you into all your apps with one click, using encrypted credentials.

★★★★☆ 4.5 168 reviews 10K+ users · Privacy & Security
Runs on all sites Firefox version exists

What it does

Permissions and access

Taken from the extension's own manifest file inside the package. The store listing does not spell this out, so it is worth reading before you install.

Can act on Every website you visit
PermissionWhat it allows
activeTabAccess the current tab when you click the extension
contextMenusAdd items to the right-click menu
cookiesRead and change cookies for the sites it runs on
geolocationRead your location
offscreenRun hidden pages for background work
privacyChange your privacy settings
scriptingRun its own code on pages
storageStore its own settings and data
system.displayRead display information
tabsSee the addresses and titles of your open tabs
webRequestWatch your network requests

Asks for these only when you use the matching feature: nativeMessaging

Requests 11 permissions — extensions doing the same job average 7.2.

Technical details

Version7.14.2
Download size5.2 MB
PlatformManifest V3
InterfaceToolbar popup
Interface languages 18 languages
Show all 18 languages
ArabicBengaliGermanEnglishSpanishFilipinoFrenchHindiIndonesianItalianJapaneseKoreanDutchPolishptTurkishUrduzh

Description

LogMeOnce provides a single sign-on solution that allows users to access all their applications with one click, eliminating the need to repeatedly enter usernames and passwords. This addresses a common security problem: managing multiple accounts often leads users to choose weak, reused passwords or write them down, increasing vulnerability to fraud and identity theft. With LogMeOnce, each user gets a personalized dashboard that lists all their applications, each protected behind an icon. To log in, simply click the icon of the desired application, and the extension automatically fills in the credentials. Each application's credentials are individually encrypted using a unique encryption key known only to the user, ensuring that even if one account is compromised, others remain secure. This approach simplifies login processes while maintaining high security standards, making it ideal for users with numerous online accounts such as employees accessing corporate tools, freelancers managing multiple client portals, or individuals juggling personal and work accounts. The extension works seamlessly in the background, and users can manage their credentials through the dashboard, adding or removing applications as needed.

Features

  • One-Click Single Sign-On: After the initial setup, users can log into any of their saved applications with a single click from the LogMeOnce dashboard. This is particularly useful for users who need to access multiple apps daily, saving time and reducing frustration from repeated login prompts.
  • Personalized Dashboard: The extension provides a secure, user-friendly web page that displays all the user's applications as clickable icons. Users can organize their apps, and the dashboard acts as a central hub, eliminating the need to remember separate URLs or passwords.
  • Individual Credential Encryption: Each application's username and password are encrypted with a unique key that only the user knows. This means that even if the extension's data is intercepted, each credential set is isolated and cannot be decrypted without the corresponding key, providing defense against mass data breaches.
  • No Password Reuse: By storing unique, strong passwords for each account, LogMeOnce encourages better password hygiene. Users no longer need to remember or write down passwords, reducing the risk of password reuse across sites.
  • Secure Access Anywhere: The dashboard is accessible from any device with an internet connection, allowing users to log into their apps from work, home, or on the go without compromising security.
  • Easy Management: Users can add new applications, remove old ones, and update credentials directly from the dashboard. This makes it simple to maintain an up-to-date list of accounts without technical expertise.

In summary, LogMeOnce simplifies password management by offering a secure, encrypted single sign-on experience. It is designed for anyone who struggles with multiple passwords and wants to enhance their online security without sacrificing convenience. The extension ensures that each login is both fast and safe, addressing the common pitfalls of password fatigue and weak credential practices.

Extensions that do the same job

Matched by what these extensions actually do, not by store category, and sorted so the ones asking for the least access come first.

ExtensionSite accessPermissionsUsersRating
LogMeOnce — this page All sites 11 10K 4.5★
NordPass® Password Manager & Digital Vault All sites 10 8M 4.6★
Dashlane - Password Manager All sites 12 1M 4.7★
Guardio Protection for Chrome All sites 12 600K 4.5★
RoboForm Password Manager All sites 13 600K 4.5★
Trend Micro ID Protection All sites 11 100K 4.4★
MindYourPass - Password Manager All sites 6 3K 4.6★

Want the same thing with less access? MEGA, Virtru Email Protection, Plugins ask for fewer permissions than this one.

Store data last checked August 14, 2026.