Filter by tab, tab group, and window
NOTE: Tab Lock has been redesigned as Tab Filter.

How to use Tab Filter

  • Navigate to the tab that you would like to enable ModHeader on, then open ModHeader.
  • Click on the
    at the top and select Tab filter.
  • The modifications will take effect for the requests / responses that occur within the selected tab. Other tabs will not have the modification enabled.

How to use Tab group filter

NOTE: Tab group filter is not available on Firefox and Opera because Tab groups are not natively supported in those browsers. Also, filter by tab group will require a Pro license. You can subscribe to the Pro license plan here.
  • Navigate to the tab group that you would like to enable ModHeader on, then open ModHeader.
  • Click on the
    at the top and select Tab group filter.
  • The modifications will take effect for the requests / responses that occur within the selected tab group. Other tabs outside of the selected tab group will not have the modification enabled.
  • If you add more tabs into the selected tab group, then they will have the modifications enabled too. And if you remove a tab from the selected tab group, then it will not the modifications enabled any more.
  • Note that if you enable Tab group filter on a tab that does not belong to a tab group, then the filter will be enabled for all tabs that do not belong in a tab group.

How to use Window filter

NOTE: Filtering window require a Pro license. You can subscribe to the Pro license plan here.
  • Navigate to the browser window that you would like to enable ModHeader on, then open ModHeader.
  • Click on the
    at the top and select Window filter.
  • The modifications will take effect for the requests / responses that occur within the selected window. Other tabs outside of the selected window will not have the modification enabled.
  • If you add more tabs into the selected window, then they will have the modifications enabled too. And if you remove a tab from the selected window, then it will not the modifications enabled any more.