Tab Suspender (Tab Unloader)
Automatically unload (suspend) inactive tabs to free up resources
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Tab Suspender (Tab Unloader) adds a page button to your browser that allows you to manually unload (suspend) browser tabs. Also the extension unload (suspend) tabs when they are inactive for a specified period (default is 30 minutes). Note that the extension does not unload tabs if there are unsaved forms inside the page to prevent data loss. Also after a reboot or browser crash, all your unloaded tabs can be resumed through the internal session manager.
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Features

FAQ

  1. What is "Tab Suspender (Tab Unloader)" extension and how does it work?

    Usually when there are too many open tabs, your browser gets slower since it uses too much resources keeping all the tabs data in memory and executing background scripts. This extension observes all your tabs and unload the ones that are inactive for a predefined period of time (default period is 30 minutes). When a tab is inactive for this period and has no unsaved form data, the tab gets unloaded (gets killed) which free ups the memory associated to the tab. Once the tab is selected, you can load its content back by double-clicking the page.

  2. I have installed the extension, but there is no icon in the toolbar area. Am I missing something?

    Once the extension is installed, you need to refresh tabs for the observer to be placed. Once the tab is refreshed, an icon will appear in the toolbar or address-bar area of your browser. In chrome, the icon is appeared in the toolbar, while in Firefox and Opera icon is placed inside the address-bar.

  3. How can I prevent a certain website from going into hibernate state?

    The extension supports white-listing certain domains. You can either manually enter the domain name in the options page, or once the page is loaded, click on the toolbar button and select "Never suspend this domain".

    If you just want the current tab to remain active without adding it into the white-list, right click on the toolbar button and select "Don't suspend for now". This option prevents the current tab from being hibernated until it gets refreshed manually.

  4. Why the extension icon is not visible for some webpages like about:blank?

    Basically the extension's toolbar button is only visible for ftp://, http:// and https:// websites. Other domains are local and do not use significant amount of memory and hence there is no need to hibernate them.

  5. What's new in this version?

    Please check the Logs section.

  6. When I select "Suspend all tabs" from the toolbar context-menu, some tabs are still active. Is there any reason for this?

    If a tab is local, or the domain is added to your white-list, or the tab is pinned and "Do not suspend pinned tabs" option is checked, then suspension is skipped. To suspend a tab that violates one of your predefined options, switch to the tab and press "Suspend this tab" from the ocntext menu.

  7. What does happen if I have a few suspended tabs and my browser crashes?

    "Tab Suspender (Tab Unloader)" extension has a built-in session manager. Once your browser gets restarted, a desktop notification is displayed. Clicking on this notification opens all the suspended tabs once again.

  8. What options this extension supports

    Options page supports the following exceptions:

    • Do not suspend pinned tabs
    • Do not suspend tabs that contain unsaved form inputs
    • Only auto-suspend if connected to the internet
    • Only auto-suspend if running on battery (if battery API is available)
    • Automatically unsuspend when tab gains focus

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What's new in this version


Change Logs:

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    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.

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