> ## Documentation Index
> Fetch the complete documentation index at: https://support.locker.io/llms.txt
> Use this file to discover all available pages before exploring further.

# What is Locker Password Manager?

> Learn how Locker protects your cybersecurity and simplifies your online life

Locker doesn't just store and fill passwords — it helps secure your cybersecurity. It's a safe and convenient tool for anyone — from students to professionals to freelancers — who wants to simplify managing personal data.

Locker uses military-grade encryption standards including **AES-256bit** combined with **PBKDF2** and **RSA** algorithms, ensuring your data vault cannot be cracked.

***

## Create a Locker account

To get started, simply visit [Locker.io](https://locker.io/) or download the Locker app on your mobile device.

<Steps>
  <Step title="Sign up for an account">
    You can create a new account or sign up quickly using your Apple, Google, Github, or Facebook account.

    <Note>
      When you sign up, you are creating a **CyStack** account. This allows you to access all services in the CyStack ecosystem.
    </Note>
  </Step>

  <Step title="Set up your Master Password">
    Create a unique Master Password. This is the key to encrypt and decrypt your data.

    **Note:** No one (including Locker) knows this password, so keep it safe.
  </Step>
</Steps>

***

## Core features

Locker provides all the tools you need to take control of your digital data:

* **Auto-fill:** Locker automatically retrieves passwords, card information, and personal profiles to fill in online forms with just one click.
* **Secure sharing:** Share login credentials with colleagues and friends while maintaining security control in your Vault.
* **Advanced security tools:**
  * **Password Generator:** Create strong, random passwords.
  * **Password Health Checker:** Evaluate the security of your existing passwords.
  * **Data Breach Scanner:** Alert you if your information has been exposed in global data breaches.
  * **Private Email:** Protect your real email when signing up for unfamiliar services.

***

## Get started with Locker on your platform

Choose the device you're using to learn how to set up:

<CardGroup cols={3}>
  <Card title="Web Vault" icon="browser" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-locker-web-vault" />

  <Card title="Mobile App" icon="mobile" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-locker-on-mobile-devices" />

  <Card title="Browser Extension" icon="chrome" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-the-locker-extension-on-browsers" />

  <Card title="MacOS" icon="apple" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-locker-on-macos" />

  <Card title="Windows" icon="windows" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-locker-on-windows" />

  <Card title="Linux" icon="linux" href="/en/locker-password-manager/get-started/install-and-get-started/get-to-know-locker-on-linux" />
</CardGroup>