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Submarine Password Manager

ExtensionPrivacy & Security
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Overview

Your passwords, encrypted and synced. No account needed.

Submarine keeps your passwords, cards and notes safe and in sync across your devices, with no account to create. This extension brings your vaults into your browser. - Create your vaults, or open those you already have with their key. - See the logins for the site you are on first, and fill one into the page in one click, or with Alt+Shift+L (Ctrl+Shift+L in Firefox, Control+Shift+L on a Mac). - Search your logins, cards, notes and identities, across all your vaults, or filter them: favorites, each type, the trash. - Create and edit your logins, cards and notes, with custom fields. Generate strong passwords, passphrases and usernames as you fill them in. - Give a login an email address of its own, and read the emails it receives, such as sign-up codes and confirmation links, right in the login. - Mark your favorites, move items to the trash and restore them, from an item or with a right click on it. - Import your passwords from a Bitwarden export, and export a vault to a file Bitwarden opens. - Copy a username, a password or a two-factor code in one click. Copied passwords are cleared from the clipboard after a delay. - Open it from the keyboard with Ctrl+Shift+Y (Command+Shift+Y on a Mac, Ctrl+Shift+U on Linux). - Lock the extension with a password, by itself after the delay you choose. Everything is encrypted before it is synced, so nobody but you can read it, not even us. Your vaults live on Nostr relays: open servers that anyone can run, and that only see encrypted data. Get the Submarine app for your other devices at https://submarine.li/download. Free and open source. No ads, no tracking. No independent firm has audited Submarine's security yet. Until one does, keep your most important passwords in a proven password manager.

Details

  • Version
    0.2.0
  • Updated
    October 30, 2026
  • Offered by
    Gringo
  • Size
    1.28MiB
  • Languages
    11 languages
  • Developer
    Email
    submarineli.hq@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Submarine Password Manager has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Submarine Password Manager handles the following:

Personally identifiable information
Financial and payment information
Authentication information
Personal communications
Web history

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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