Safari Extensions For Mac

In this step-by-step guide, learn how to enable Adobe Flash Player in the Safari web browser.

Before you start, check the version of Safari running on your Mac. To display the version number, choose Safari > About Safari.

  • If your Safari version is 11.0 or later, follow the steps in For Mac OS X 10.11, macOS 10.12, and later.
  • If your Safari version is 10.0 or later, follow the steps in For Mac OS X 10.10.
Safari Extensions For Mac
  1. In the Safari app on your Mac, click the extension’s button in the tool bar. Choose how much access the extension has. Extensions may access the content of the webpages you visit. Check which extensions you have installed and make sure you’re familiar with what they do. See Change Extensions preferences in Safari.
  2. Putting Safari tabs to sleep, Tab Suspender enables users to focus on the tabs they want while others live in the background. As suspended tabs sleep, they no longer take up precious resources or drag down battery life. For anyone using a Mac with limited RAM, this extension could be a lifesaver. 1Blocker for Safari.

LastPass browser extension for Apple Safari. This is a Mac App which includes the Safari extension. Click here for installation help. LastPass for Microsoft Edge. If you're using Chromium-based Microsoft Edge, this one's for you. LastPass browser extension for Microsoft Edge without a binary component.

Note:

Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content. Please visit Apple’s Safari support for more information.

Safari Extensions Macbook

  1. Click the Websites tab and scroll down to the Plug-ins section. Locate the Adobe Flash Player entry.

  2. Select a setting to use for Flash Player when you visit other websites.

  3. You can configure Flash for individual websites (domains). Select a website listed in this window, and choose Ask, Off, or On.

  4. Exit Preferences after you finish configuring Flash Player.


  1. Note:

    If you are viewing Safari in full-screen mode, mouse over the top of the browser screen to see the menu.

  2. Click the Security tab. Ensure that Enable JavaScript and Allow Plug-ins are selected. Click Plug-in Settings.


  3. From the When visiting other websites menu, choose On, and then click Done.

Safari extensions macos big surBest safari extensions

Safari User Guide

You can install Safari extensions to customize the way your browser works. For example, extensions can help you display social media and news buttons, block content on websites, give you access to features from other apps, and more.

Tip: The Mac App Store is the safest and easiest way to discover and install extensions. The extensions are reviewed by Apple, and they update automatically when Automatic Updates is selected in App Store preferences.

Get Safari extensions

Safari
  1. In the Safari app on your Mac, choose Safari > Safari Extensions, then browse the available extensions.

  2. When you find one you want, click the button that shows Get or the price, then click the button again to install or buy the extension.

Manage your extensions

  1. In the Safari app on your Mac, choose Safari > Preferences, then click Extensions.

  2. Do any of the following:

    • Turn an extension on or off: Select or deselect the extension’s checkbox.

      Note: You get a warning if you turn on an extension that is known to slow down browsing.

    • Change an extension’s settings: Select the extension, then select or deselect settings.

    • Remove an extension: Select the extension, then click Uninstall. Or, delete the app that contains the extension.

Safari Browser Extensions For Mac

Restrict an extension

Safari Extensions Macos Big Sur

Safari Extensions For Mac
  1. In the Safari app on your Mac, click the extension’s button in the tool bar.

  2. Choose how much access the extension has.

    Extensions may access the content of the webpages you visit. Check which extensions you have installed and make sure you’re familiar with what they do. See Change Extensions preferences in Safari.

Installing or uninstalling extensions, and turning them on or off, may take effect immediately or after you go to a new webpage or refresh the current page.

Best Safari Extensions For Mac

Important: The first time you open Safari, you get warnings about extensions that slow down browsing or are no longer supported:

Safari Extensions Macos Catalina

  • Extensions that slow down browsing: The extensions will be turned off. You can turn on the extensions in Safari preferences.

  • Developer-signed .safariextz-style (legacy) extensions: The extensions won’t load and no longer appear in Safari preferences. You can’t turn them on.