How to Get URL Bar and Tab Bar in Same Row Similar to IE9 in Mozilla Firefox?

Make Your Mozilla Firefox Look-a-Like Internet Explorer 9

After that, follow these simple steps to get Tab bar and URL bar in same row:

1. Right-click on toolbar and select Customize.

2. Now drag-n-drop back/forward buttons, URL bar or addressbar, Searchbox (if you installed Omnibar, it'll be already moved along with URL bar), Stop/Refresh buttons to Tab Bar.

Moving_URLbar_Searchbox_buttons_to_Tabbar.png

3. Close Customize window and right-click on toolbar and deselect "Navigation Toolbar".

4. Now install "Stylish" add-on. When its installed, click on its icon in Add-on Bar and select "Write new style -> Blank style" option. It'll open a new window. Type any desired name like "IE Interface" in Name box and paste following code in big text area:

#urlbar-container {
max-width: 600px !important;
min-width: 100px !important;
}

Applying_IE_Stylish_CSS_Mozilla_Firefox.png

NOTE: Here 600 is the maximum size of URL bar and 100 is the minimum size. You can change them according to your requirements.

5. That's it. Click on Save button and you'll get URL bar and Tab bar in same row similar to IE9.

IE_Like_URLbar_Tabbar_Same_Row_Mozilla_Firefox.png

PS: You can resize URL bar. Just click on the blank space between URL bar and Tabs and move the cursor to left or right.