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Understanding the browser.tabs.autoHide about:config Entry in Firefox



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about:config Entries

browser.tabs.autoHide is one of hundreds of Firefox configuration options, or Preferences, accessed by entering about:config in the browser's address bar.

Preference Details

Category: browser
Preference Name: browser.tabs.autoHide
Default Status: default
Type: boolean
Default Value: false


The browser.tabs.autoHide Preference in Firefox's about:config interface allows the user to specify whether or not the browser's tab bar is displayed whenever only one tab is open.

How to Use browser.tabs.autoHide

The value of browser.tabs.autoHide can be set to either true or false. When set to true, Firefox will hide the tab bar if only one tab is open. When set to false, the tab bar will always be displayed even if only one tab exists.

To modify the value of browser.tabs.autoHide, follow these steps:

  • Open your Firefox browser.
  • Type about:config in your browser's address (or URL) bar.
  • Hit Enter.
  • A list of Firefox Preferences should now be displayed. Locate the entry with a Preference Name value of browser.tabs.autoHide.
  • Double click on this entry. Notice that the Value column is immediately changed to either true or false, depending on what the previous value was. To change it back, simply double click on the entry again.

Related about:config Entries

The following entries are related to the browser.tabs.autoHide entry:

browser.tabs.autoHide Related Content

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