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Extend Firefox with add-ons to add new features to it. We'll cover the different types available and how to find and install them.

{for fx57}[[Template:addonsnote57]]{/for} Add-ons let you add bells & whistles to Firefox. You can get add-ons that compare prices, check the weather, change the look of Firefox, listen to music, or even update your Facebook profile. This article covers the different types of add-ons available and how to find and install them. <!-- TO LOCALIZE THE CAPTIONS FOR THIS VIDEO, SEE https://support.mozilla.org/en-US/kb/localize-a-support-video#w_localize-video-caption-files --> {for not fx48} [[Video:http://youtu.be/i4y_CeifV2s]] {/for} __TOC__ = What types of add-ons can I install? = You can install these general types of add-ons: * [https://addons.mozilla.org/firefox/extensions/ Extensions]<br>Extensions add new features to Firefox or modify existing ones. There are extensions that allow you to block advertisements, download videos from websites, integrate Firefox with websites like Facebook or Twitter and add features included in other browsers, such as translators. <!-- L10n note: Optionally add a link to a translator, that is well tested for your language. --> * {for not fx57}[[Use themes to change the look of Firefox|Appearance]]{/for}{for fx57}[[Use themes to change the look of Firefox|Themes]]{/for}<br>There are two types of {for not fx57}appearance add-ons{/for}{for fx57}themes{/for}: complete themes, which change the look of buttons & menus, and background themes, which decorate the menu bar and tab strip with a background image.{warning}Complete themes are considered Legacy add-ons and will be deactivated in [[Find what version of Firefox you are using|Firefox version]] 57. For more information, see [[Built-in themes in Firefox - alternative to complete themes]].{/warning} * [[Use plugins to play audio, video, games and more|Plugins]]<br>Plugins add support for all kinds of Internet content. These usually include patented formats like Flash that are used for video, audio, online games, presentations and more. Plugins are created and distributed by other companies.[[T:PluginSupportEOL]] * Dictionaries & Language Packs<br>[[How do I use the Firefox spell checker?|Firefox can check your spelling]] but not all locales come with a dictionary installed due to licensing reasons. You can [https://addons.mozilla.org/firefox/language-tools/ find and install a dictionary] for your language. You can also [https://addons.mozilla.org/firefox/language-tools/ install language packs] that will [[Use the Firefox interface in other languages with language packs#w_how-to-change-the-language-of-the-user-interface|change the language]] of the entire application.<!-- L10n note: Feel free to link directly to your language dictionary page on AMO. --> *[[Change your default search settings in Firefox|Search engines]]<br>Firefox comes with a number of search engines already installed that you can use from the [[Use the Search bar in Firefox|Firefox Search bar]] or directly from the address bar. If you want additional search engines, you can [[Add or remove a search engine in Firefox|install them]] on the websites directly or from [https://addons.mozilla.org/firefox/search-tools/ addons.mozilla.org]. <!-- L10n note: If there is a list of recommended search modules for your region (e.g. a collection on AMO), you can link it from here. --> == Viewing and managing your installed add-ons == Search engines can be viewed and managed in the [[Change your default search settings in Firefox|Search panel]] in Firefox [[T:optionsorpreferences]]. For other add-ons: # Click the menu button {for not fx57}[[Image:New Fx Menu]]{/for}{for fx57}[[Image:Fx57Menu]]{/for} and choose {menu Add-ons}. The Add-ons Manager tab will open. # Select the panel for the type of add-on you wish to view or manage, such as the {menu Extensions}, {for not fx57}{menu Appearance}{/for}{for fx57}{menu Themes}{/for} or {menu Plugins} panel. For detailed information on disabling or removing plugins, extensions or {for not fx57}appearance add-ons{/for}{for fx57}themes{/for}, see [[Disable or remove Add-ons]]. = How do I find and install add-ons? = {for not fx48} Here is an overview to get you started: # [[T:Open Add-ons|type=Get Add-ons]] # To see more information about a Featured Add-on or Theme, click it. You can then click the green {button Add to Firefox} button to install it. #*You can also search for specific add-ons by using the search box at the top. You can then install any add-ons you find with the {button Install} button. #*;{for win}[[Image:Addon1 29 Win]][[Image:Addon2 29 Win]]{/for}{for mac}[[Image:Addon1 29 Mac]][[Image:Addon2 29 Mac]]{/for}{for linux}[[Image:Addon1 29 Lin]][[Image:Addon2 29 Lin]]{/for} # Firefox will download the requested add-on and may ask you to confirm that you want to install it. # Click {button Restart Now} if it pops up. Your tabs will be saved and restored after the restart. {/for} {for fx48} Here is an overview to get you started: # [[T:Open Add-ons|type=Get Add-ons]] # To install a featured add-on, click the grey toggle button, which will turn green. To uninstall an add-on you just installed, click the toggle button again. #; {for not fx57}[[Image:Fx48-GetAddons]]{/for}{for fx57}[[Image:getaddons 57]]{/for} At the bottom of the list of featured add-ons, there's a {button See more add-ons!} button you can click. It will take you to addons.mozilla.org where you can search for specific add-ons. {/for} {note}'''For advanced users''': You can also install add-ons from a file. If you saved the installer file to your computer, (for example, an .xpi or .jar file) you can install the add-on using the gear icon [[Image:gear icon]] in the upper-right area of the Add-on Manager {menu Extensions} panel. Select {menu Install Add-on from file...} from the menu, then find and select the file.<!-- See also: https://support.mozilla.org/en-US/kb/unable-install-add-ons-extensions-or-themes#w_you-are-asked-to-download-the-add-on-rather-than-installing-it -->{/note} Some extensions place a button in the toolbar after installation. You can remove those or move them into the menu if you want - see [[Customize Firefox controls, buttons and toolbars]]. = Troubleshooting add-ons = For information on troubleshooting problems with extensions, plugins or {for not fx57}appearance add-ons{/for}{for fx57}themes{/for}, see the articles below. == Problems with installing or uninstalling add-ons == * [[Unable to install add-ons or extensions]] * [[Cannot uninstall an add-on]] == Problems caused by add-ons == * [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] * [[Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems]] * [[Troubleshoot Firefox issues caused by malware]] * [[Remove a toolbar that has taken over your Firefox search or home page]] * [[Re-enable add-ons that were disabled when updating Firefox]] * [[Add-ons that cause stability or security issues are put on a blocklist]] * [[Add-on signing in Firefox]] {note}'''Note:''' Mozilla has overhauled the underlying technology for Firefox add-ons. For more information, see [[Firefox add-on technology is modernizing]].{/note}