Want an easier way to tweak some of the internal guts of Firefox? FoxyAbout is a great tool that allows you to do just that. It gives you easy access to important pages within Firefox.
Tag Archives | tweak
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background.
Tweak Network will speed up the loading of web pages and increase the maximum number of simultaneous downloads from a site.
Want to tweak YouTube a ‘bit? This add-on instantly add many tweaks to YouTube including: Download Videos, Convert Videos to Mp3, Automatically Watch in HD, Change YouTube Style, Watch Multiple Videos, Loop Videos, and much more. A must have for YouTube users.
Want to make the find bar better? FindBar Tweak adds anything between simple tweaks such as placing the findbar in the top corner, to the powerful “Find in All Tabs” tool, FindBar Tweak will make your find toolbar “just right”!
With New Tab Pro you can customize the number of the tiles on the New Tab page (about:newtab), right on that page via the buttons at the center of each side of the page. Or use the Options page of this extension to get the same effect.
Use Custom New Tab to load any URL you want when a new tab is opened. This is the only add-on (to the author’s knowledge) that allows the user a preference to have the focus placed on a web page (like a search engine’s search box) or in the URL bar.
Customize your bookmarks bar with Roomy Bookmarks Toolbar. This add-on adds a lot of little tweaks to your bookmarks toolbar that you might have right under your awesome bar and general browser navigation controls. It comes highly rated and packed full of Firefoxy goodness.
A few Firefox versions ago, you used to be able to have your tabs under the location bar rather than on top of it. If anybody is feeling nostalgic or simply preferred this way of browsing in Firefox, it is fairly easy to put tabs back on the bottom (rather than the top) of Firefox.