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Click the menu button, click Add-ons and select Get Add-ons Recommendations. To install a featured recommended add-on, click the blue + Install Theme or + Add to Firefox button, depending on the type of add-on. LastPass for Firefox (i386 and x64) LastPass browser extension for Mozilla Firefox. This will also work on other Mozilla based browsers such as SeaMonkey, Mozilla, etc. If you experience issues, try starting Firefox in safe mode.

Safari extensions add functionality to Safari, so you can explore the web the way you want. Extensions can show helpful information about a webpage, display news headlines, help you use your favorite services, change the appearance of webpages, and much more. Extensions are a great way to personalize your browsing experience.

Use the App Store to conveniently download and install Safari extensions. All extensions in the App Store are reviewed, signed, and hosted by Apple for your security.

How to install extensions

Start by installing the latest macOS updates to make sure that Safari is up to date. You need Safari 12 or later to get Safari extensions from the App Store.

Find and install an extension:

1. Open Safari and choose Safari > Safari Extensions from the menu bar.
2. The App Store opens to the Safari Extensions page, as pictured above. To download and install an extension, click Get or click the price. You might be asked to sign in with your Apple ID.
3. Click Install.
4. After the extension is installed, click Open and follow the onscreen instructions provided by the extension.

Then return to Safari to turn on the extension you installed:

1. Choose Safari > Preferences.
2. Click Extensions.
3. Select the checkbox next to the extension's name.

All extensions installed from the App Store are automatically kept up to date.

How to turn off or uninstall extensions

Choose Safari > Preferences, then click Extensions.

• To turn off an extension, deselect its checkbox.
• To uninstall an extension, select the extension and click the Uninstall button. If you can't determine what an extension does, or you don't expect to use it again, you should uninstall it.

Learn more

Safari no longer supports most web plug-ins. To load webpages more quickly, save energy, and strengthen security, Safari is optimized for content that uses the HTML5 web standard, which doesn't require a plug-in. To enhance and customize your browsing experience, use Safari extensions instead of web plug-ins.

Add-ons let you add bells and 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.

Table of Contents

• 1What types of add-ons can I install?
• 3Troubleshooting add-ons

You can install these general types of add-ons:

• Extensions
  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.
• Themes
  Themes can decorate the menu bar and tab strip with a background image. Firefox also includes built-in themes. For more information on built-in themes, see Built-in themes in Firefox - alternative to complete themes.
• Plugins
  You can install the Adobe Flash plugin for video, audio, online games, and more. (Firefox automatically downloads the Google Widevine CDM for watching Digital Rights Management (DRM) controlled content and an OpenH264 plugin for video calls.)

• Dictionaries
  Firefox can check your spelling, but not all locales come with a dictionary installed due to licensing reasons. You can find and install a dictionary for your language. (To change the language of the Firefox user interface, see the article Use Firefox in another language.)

• Dictionaries & Language Packs
  Firefox can check your spelling, but not all locales come with a dictionary installed due to licensing reasons. You can find and install a dictionary for your language. You can also install language packs that will change the language of the entire application.

• Search engines
  Firefox comes with a number of search engines already installed. You can access them from the Search bar (if enabled) or directly from the address bar. If you want additional search engines, you can install them on the websites directly or from addons.mozilla.org.

Viewing and managing your installed add-ons

Search engines can be viewed and managed in the Search panel in Firefox OptionsPreferences. For other add-ons:

1. Click the menu button and choose Add-ons. The Add-ons Manager tab will open.
2. Select the panel for the type of add-on you wish to view or manage, such as the Extensions, Themes or Plugins panel.

For detailed information on disabling or removing add-ons, see Disable or remove Add-ons.

Here is an overview to get you started:

1. Firefox may offer personalized recommendations. Click the menu button , click Add-ons and select Get Add-onsRecommendations.
2. To install a featuredrecommended add-on, click the blue or button, depending on the type of add-on. To uninstall an add-on you just installed, click the grey button.

At the top and bottom of the list of featuredrecommended add-ons, there's also a button you can click. It will take you to addons.mozilla.org where you can search for specific add-ons.

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.

For information on troubleshooting problems with extensions, plugins, or themes, see the articles below.

Firefox Downloader Plugin For Mac

Problems with installing or uninstalling add-ons

Firefox Extensions For Mac Windows 10

Problems caused by add-ons