In this comprehensive guide, we will address the frustrating issue of missing extensions in Safari 17, offering detailed solutions to help you resolve it effectively. Apple’s Safari browser has long been a preferred choice among Mac users due to its seamless integration with other Apple devices. However, with the release of macOS Sonoma and Safari 17, many users have encountered a troubling problem—extensions disappearing from their Safari browser. If you find yourself facing this issue, worry not; we’ve got you covered with a range of solutions to bring your extensions back to life.

Fix 1: Refresh Safari Extensions

Refreshing your Safari extensions is a simple yet effective way to tackle this issue. Here’s how to do it:

  • Launch Safari and navigate to Settings > Extensions.
  • Uncheck all the extensions listed and close Safari.
  • Wait a few seconds, then go back to Safari > Settings > Extensions.
  • Re-enable all the extensions and observe the results.

Fix 2: Re-Register Safari Extensions

If the first method doesn’t work, you can try re-registering your Safari extensions using Terminal commands:

  1. Open Terminal by going to Launchpad > Others > Terminal.
  2. Type the following command to re-register the extensions:
    • /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -f -R /Applications/
  3. Launch Safari and check if your extensions have reappeared.

Fix 3: Use Safari Technology Preview

As of now, Safari Technology Preview version 17 remains unaffected by the missing extensions issue. You can follow these steps to use it temporarily:

  • Open Safari and access the Develop menu.
  • Choose Get Safari Technology Preview from the menu.
  • Download and install Safari Technology Preview on your Mac.
  • Launch the new version and sign in using your Apple ID.
  • Your extensions should now be available in Safari Technology Preview.

These methods provide you with several options to address the issue of missing extensions in Safari 17. If you have any questions or face difficulties while implementing these steps, don’t hesitate to reach out in the comments section. We are here to assist you.


In conclusion, the disappearance of extensions in Safari 17 can be a vexing problem for users. However, by following the solutions provided in this guide, you can regain access to your extensions and enjoy a fully functional browser once again. Whether you choose to refresh your extensions, re-register them, or use Safari Technology Preview, these steps should help you overcome the issue.


Q1: Is there an official fix from Apple for this issue? At the time of writing, Apple has not released an official fix. The workarounds mentioned here are temporary solutions.

Q2: Will using Safari Technology Preview affect my browsing experience? No, Safari Technology Preview is a stable version designed for testing new features and should not negatively impact your browsing experience.

Q3: What if none of the fixes work for me? If none of the provided fixes work, consider contacting Apple’s customer support for further assistance.

Q4: Can I use Safari extensions on Safari Technology Preview? Yes, Safari extensions are compatible with Safari Technology Preview, ensuring you don’t lose any functionality.

Q5: Is it safe to use Terminal commands to re-register Safari extensions? Yes, the Terminal commands provided in this guide are safe to use and will not harm your system. Simply follow the instructions carefully to re-register your extensions successfully.