Password Lock for Whatsapp Web Automatically lock WhatsApp Web after a period of time or when the action button is pressed
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The "Password Lock for WhatsApp Web" extension enhances the privacy of your WhatsApp Web by requiring a password to unlock it when you open it in a new browser tab. You can keep WhatsApp Web unlocked for a defined period or until you close the tab. The extension also includes an option to automatically lock WhatsApp Web after a period of inactivity. Additionally, you can lock all open WhatsApp instances with a single click or a custom keyboard shortcut. If no WhatsApp Web instances are detected, the extension will open a new, locked one next to your active tab. This extension provides an additional layer of privacy to the underlying application by obscuring the interface when locked, preventing any messages from being viewed. However, you can still get the badge and desktop notifications as usual.



  1. What is the "Password Lock for WhatsApp Web" extension and how does it work?

    This extension provides an added layer of security to WhatsApp Web by obscuring the interface when locked, preventing any content from being viewed. The user must enter and confirm a password on the first use, which will protect all new instances. You can lock all WhatsApp Web instances by clicking the action button (toolbar button) or using a custom keyboard shortcut. The extension offers two protection modes: You can either unlock the application and keep it open, or you can set it to automatically lock after a specified period. Despite the added security, desktop notifications and sound alerts still work as usual.

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    This extension unblocks the browser's default right-click context menu for image, video, and audio when the page deliberately blocks right-clicking on its content. Read more here.

  3. What's new in this version?

    Please check the Logs section.

  4. Where does the extension store my password? Is it safe?

    The extension uses a process called "hashing" to store your password. Hashing is a method of taking a plain text password and running it through a mathematical algorithm, which generates a unique, fixed-length string known as the hash. This extension only keeps the hash, and the password itself is not stored, which means that even if someone were to access the stored hash, they would not be able to determine the original password. The extension uses the private storage of your browser to keep this hash and other user preferences. It is important to keep your password safe, as there is no way to unlock the application if you forget it. However, if necessary, you can uninstall the extension to regain access to WhatsApp Web. Instructions on how to protect the browser extension from being removed can be found in later FAQs so that you can ensure that nobody can remove this protection layer without your permission.

  5. How can I protect the extension from being uninstalled?

    There are a few ways to prevent a Chrome extension from being uninstalled by the user:

    1. Use the “force-installed” policy: If you are an administrator for a managed environment such as a school, or a business, you can use this feature to force-install an extension on Chrome devices. This policy will prevent users from disabling or uninstalling the extension. To create a “force-installed” policy, an administrator can use the Chrome management console. The administrator can create a new policy and select the extensions that should be force-installed within this management console. Once the policy is created, it can be applied to specific devices or users, or the entire organization.
    2. Use a custom browser configuration: If you’re deploying a customized version of Chrome, you can use a custom browser configuration to prevent the extension from being uninstalled.

    Here is an example of how to configure the “force-installed” policy in the Chrome management console:

    • Log in to the Chrome management console
    • Go to the “Device settings” tab
    • Scroll down to the “Force-installed apps and extensions” section
    • Click “Manage force-installed apps”
    • In the “Apps and Extensions” section, click “Add App” or “Add Extension”
    • Search for the specific extension by name, or enter the ID of the extension
    • Select the extension from the search results and click “Add”
    • The extension will now be listed under “Force-installed apps and extensions”
    • Save the settings and Apply the policy to the specific group of users or devices.

  6. How can I access the options for this extension?

    To access the options for this extension, open a new instance of WhatsApp Web, and enter your password to unlock it. Now click the preferences button. This will open a new section, containing all the configurations available for the extension.

  7. Is it possible to set the extension to lock WhatsApp Web when my computer is inactive?

    Yes, you can configure the extension to automatically lock all open instances of WhatsApp Web if your computer is not in use for a specific period. This feature is useful to prevent unauthorized access to your WhatsApp Web when you are away from your system. "Idle" refers to the state in which your computer is not being actively used or is not receiving input from the keyboard or mouse. By setting a time limit, the extension will automatically lock your WhatsApp Web, providing an extra layer of security when you're away from your device.

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What's new in this version

Change Logs:
    Last 10 commits on GitHub
    Hover over a node to see more details

    Need help?

    If you have questions about the extension, or ideas on how to improve it, please post them on the  support site. Don't forget to search through the bug reports first as most likely your question/bug report has already been reported or there is a workaround posted for it.

    Open IssuesIssuesForks

    Permissions are explained

    storageto keep the user password hash and preferences
    alarmsto automatically lock WhatsApp Web after a period

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