If we had to guess, we'd say that Gmail's latest Labs feature, putting an unread message count first in the title bar and tabs, was probably inspired by a certain Firefox add-on ... ... but who are we to divine what craziness lurks in the minds of Google's Gmail engineers? In any case, Gmail's Labs ...

Philipp Lenssen at the Google Blogoscoped blog points out that a small revision to Google Toolbar 5 for Firefox installs one of Chrome's most unique features in Firefox: its unique "New Tab" page. The page shows a 3x3 grid of your most-visited pages and lists your most recent bookmarks. I couldn't g...

Firefox only (Windows/Mac/Linux): Firefox extension TabCloser adds a tab context menu item that quickly closes all tabs from web sites with the same domain name. Once installed, simply right-click on the tab and choose "Close all hostname.org tabs" to kill all similar tabs. The only irritation is th...

Firefox only (Windows/Mac/Linux): The Tabhunter Firefox extension adds quick keyboard-based tab switching to Firefox—sort of like Launchy for Firefox tabs. Just invoke Tabhunter, start typing, and Tabhunter searches for a match through all your tabs. Tabhunter searches only the titles of your ...

Firefox with Greasemonkey: The Gmail Unread Message Count in Favicon Greasemonkey user script displays your unread message count on the Gmail site favicon. If you're not familiar with the concept of the favicon, it's the small icon that appears next to the address bar or in the tab and helps identif...

Web site ShareTabs is sort of like TinyURL when you want to share several links, allowing you to send one link that will open a number of links in separate tabs with one click. Here's an example: If I wanted to share all of the non-Lifehacker Gawker Media sites with someone, I could simply send the ...

Firefox only (Windows/Mac/Linux): Experimental Firefox extension TooManyTabs organizes extra browser tabs in Firefox, allowing you to store over 50 extra tabs in a special row for quick access at a later time. That may not sound terribly exciting by itself, but what if I told you that every tab you ...

Tabs have become the standard in web browsers to browse Internet pages. They have several advantages like being space efficient or easier manageable. The first application for Windows that introduced tabbed browsing was QT Tab Bar which added that functionality to Windows Explorer. Windows Tabifier ...

Windows/Mac/Linux (Firefox): Free Firefox extension UnMHT gives Firefox the same abilities to save a complete web page as one file—sound, pictures, video, and all—as Internet Explorer and Opera already have, but with a multi-tab bonus. Once installed, Firefox can open any of the MIME HTM...

When you want to backtrack a few paces in your web surfing clicktrail but not lose the page you're on, in Firefox 3, click on your current tab, hold down the Ctrl key and drag it. This will duplicate the tab and keep its history in the copy—that way you can back out and stay where you are in a...