



You already know about Firefox 3's marquee new features, but now it's time to dig deep and unearth the shortcuts, tweaks, and even Easter eggs that Mozilla marketing doesn't mention. In honor of today's official release of Firefox 3—at 10AM Pacific Time—let's dive in past Firefox 3's most talked-about feature-set into its lesser-known power uses, tricks, and customizations.


Top 10 Firefox 3 Features The newest version of our favorite open source web browser, Mozilla Firefox 3, offers dozens of… Read more

Shrink the Super-sized Back Button


The very first thing you notice in Firefox 3 is its extra large Back button. While it's actually quite handy—less chance of missing your target!—if the Back button's just too big for your tastes, it's as easy as pie to reduce. Just right-click on Firefox's toolbar, and choose Customize. In the dialog box, select "Use small icons."

Shrink Firefox 3's Supersized Back Button Most Firefox 3 testers agree that the preview release of the new browser promises faster and… Read more

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Adjust the Smart Location Bar's Number of Suggestions


The Firefox 3 feature that you'll get to know and love the most is the new smart location bar's as-you-type suggestions that learn where you probably want to go as you browse. But if you're feeling like the number of suggestions is too high or too low? Adjust it to your liking in Firefox's configuration area. Here's how.

Enter about:config into the address bar and hit Enter. Press the "I'll be carefull. I promise!" button. (Because you will be.) Enter browser.urlbar.maxRichResults in the Filter field to reach this preference. Set it to your desired number of suggestions. Three shown here.



Here's another way to adjust the location bar behavior with an about:config tweak.


Delete Mistyped URL Suggestions and Other Auto-complete Entries


While the Smart Location bar is quite intelligent, if you enter an incorrect URL—say, to a page that doesn't exist, or a parked domain—Firefox 3 will still remember it and suggest it again later. (Garbage in, garbage out, as they say.) To remove a mistyped URL from your suggestion list forever, key down to the suggestion and type Shift+Delete on the Mac, and just Delete on Windows. This trick also works for any form auto-complete entry, like if you mistype a username into a login form.


Ditch Obselete Extensions

Firefox's philosophy seems to be "stay lean and mean and leave the extras to add-ons." Nevertheless, Firefox 3 does bake in some functionality that makes some extensions you might love unnecessary. Here are five extensions you won't need with Firefox 3.


Revert the "AwesomeBar" with Oldbar


Firefox's smart location bar (a.k.a. "AwesomeBar")—which drops down a suggestion list of destinations as you type into it—is extra verbose and extra-tall, since it includes both web site titles and URLs. If you're missing Firefox 2's classic one-line drop-down look, the Oldbar extension can revert the "AwesomeBar" to something less awesome—or at least something that looks less awesome.

Trick Out Your Smart Bookmarks


Like iTunes Smart Playlists and saved search folders in OS X and Vista, Firefox 3's Smart Bookmarks are dynamic lists of URLs generated by certain search criteria. Here's how to create your own collections of Smart Bookmarks using search parameters. Hint: Add the most frequent pages you visit on Lifehacker.com by bookmarking place:queryType=0&sort=8&maxResults=5&domain=lifehacker.com .


Set Gmail as Your Default Email client—Without an Add-on


Firefox 3's filetype handling mechanism can now associate web applications as well as desktop applications with certain files. This opens the door to possibilities like automatically launching links to ical files in your web-based calendar app, or opening your webmail when you click on email links. While most webapps have to catch up to Firefox 3 to enable this functionality, one we already know and love is already there. Here's how to launch Gmail when you click mailto: links on web pages.


Say Hello to the Firefox Robots






You already know about the age-old Firefox about:mozilla Easter egg. Well, Firefox 3 has a new Easter egg that pays homage to its robot mascot. Type about:robots into the Firefox 3 address bar to get a fun page with a list of robot pop culture references, from I, Robot to Blade Runner to Battlestar Galactica to Futurama.

Firefox 3 Beta 5 Easter Egg Intrepid testers using Firefox 3 beta 5: type about:robots into the address bar to get a fun page… Read more


Enable Spellchecking in One-line Input Fields


This tweak goes back to Firefox 2, but is still just as useful and functional in Firefox 3, especially if you're a web writer. In about:config , set layout.spellcheckDefault value equal to 2 to enable spell-checking in single line input fields as well as textareas. (Less typos in your email subject lines and blog post titles!) Here are a few more Firefox about:config tweaks.


Mac Users: Add Favicons to Your Bookmark Toolbar


Mac users who are rockin' Firefox 3's new slick Mac-like theme—but who miss their bookmarks' favicons—can easily add web site icons to their toolbar with a little tweak.

Add Favicons to the Bookmark Toolbar Mac users rockin' Firefox 3 who like to see web site icons on their bookmark toolbar already know… Read more






For a bird's-eye view of Firefox's evolution over the last four years, see the history of Firefox 1.0 to 3.0 in screenshots. Then, see how Firefox 3 stacks up in performance tests in comparison to Safari, Opera, and Internet Explorer.


How are you tweaking Firefox 3 today when you install it? Give it up in the comments.





Gina Trapani, the editor of Lifehacker, looks forward to allocating memory to applications other than Firefox with version 3.0. Her weekly feature, Geek to Live, appears every Monday on Lifehacker—except today, Tuesday. Subscribe to the Geek to Live feed to get new installments in your newsreader.