Where your Mac blocks pop-ups and how to find the setting
Your Mac blocks pop-ups in two places: Safari (Apple's built-in browser) and in your system settings that explore across all browsers. Safari blocks most pop-ups automatically unless you tell it to stop. If you're seeing a message that says "Safari blocked a pop-up" or if a website you trust isn't working because pop-ups are turned off, you need to change Safari's settings, not your Mac's system settings.
The quickest way is to open Safari, go to the menu bar at the top, click Safari, then select Settings (or Preferences on older Macs). From there, click the Security tab. You'll see a checkbox that says "Block pop-ups" — uncheck it to turn blocking off for all websites, or keep it checked and add specific sites to an allow list instead.
Key Takeaways
- Safari's pop-up blocker is in Safari > Settings > Security, where you can uncheck "Block pop-ups" to disable it entirely.
- You can keep pop-up blocking on globally but allow specific websites by clicking the pop-up blocked message and selecting "Always allow pop-ups on this website."
- If you use Chrome, Firefox, or Edge on your Mac, each browser has its own pop-up blocker in a different location — check that browser's settings if Safari isn't the issue.
- Some websites need pop-ups to work properly (login windows, document viewers, payment forms), so disabling blocking only for those sites is safer than turning it off everywhere.
Disabling pop-up blocking for one website instead of all websites
If you only want to allow pop-ups on a specific website you trust, you don't have to turn off blocking everywhere. When Safari blocks a pop-up, a small message appears at the top of the page saying "Safari blocked a pop-up." Click that message, and you'll see an option to "Always allow pop-ups on this website."
This approach is safer because it keeps protection on for the thousands of other sites you visit. Once you allow pop-ups for a site, Safari will remember that choice and stop blocking them there. If you change your mind later, go back to Safari > Settings > Security and look for the "Pop-up windows" section — it will list the sites you've allowed, and you can remove any of them by clicking the minus button.
How to turn off pop-up blocking in Chrome, Firefox, and Edge
If you use a browser other than Safari, the pop-up blocker is in a different place. In Chrome, click the three-line menu in the top right, go to Settings, click Privacy and security, then Site settings, then Pop-ups and redirects. Toggle the setting to Allowed.
In Firefox, click the menu button (three horizontal lines) in the top right, select Settings, click Privacy & Security on the left, scroll down to "Permissions," and uncheck the box next to "Block pop-up windows."
In Edge, click the three-dot menu in the top right, go to Settings, click Privacy, search, and services, scroll down to "Tracking prevention," and find "Pop-ups and redirects" — toggle it to Off.
Why websites need pop-ups and when you should allow them
Pop-ups aren't always ads. Many legitimate websites use them for login windows, password reset forms, file downloads, payment processing, and document viewers. If a website you use regularly isn't working — buttons don't respond, forms won't open, or you can't log in — the pop-up blocker is often the reason.
Before you disable blocking everywhere, try allowing it just for that one site first. Most of the time, that solves the problem without leaving you exposed to unwanted ads on other sites. If a site still doesn't work after you allow pop-ups, the issue is usually something else, and you should contact the website's support team.
Checking if your Mac's system settings are also blocking pop-ups
Your Mac's system settings can also block pop-ups at a level that affects all browsers. This is less common than browser-level blocking, but it's worth checking if you've disabled pop-up blocking in your browser and pop-ups still aren't showing up.
Go to System Settings (or System Preferences on older Macs), click General, then Login Items. This won't show pop-up settings directly, but if you're using parental controls or have a security profile applied, those might be blocking pop-ups. If you have parental controls turned on, click Parental Controls in System Settings, select your account, and look for content filtering or website restrictions that might be interfering.
What to do if pop-ups still don't appear after you disable blocking
If you've turned off pop-up blocking in your browser and pop-ups still aren't showing up, a few other things could be the cause. Some websites use JavaScript to create pop-ups, and JavaScript might be disabled in your browser settings. In Safari, go to Safari > Settings > Security and make sure "Enable JavaScript" is checked.
Another possibility is that the website itself is broken or outdated. Try the site in a different browser to see if pop-ups work there. If they do, the issue is specific to your first browser, and you may need to clear your browser cache or update the browser itself. If pop-ups don't work in any browser, the website may have a technical problem on their end.
Frequently Asked Questions
Will disabling pop-up blocking make my Mac less find?
Disabling it globally exposes you to more ads and potentially malicious pop-ups, but it won't directly harm your Mac. The bigger risk is clicking on a suspicious pop-up. Allowing pop-ups only for specific websites you trust is a safer middle ground.
Can I block pop-ups on some websites but allow them on others?
Yes. In Safari, keep the global blocker on and use the "Always allow pop-ups on this website" option when you see the blocked pop-up message. In Chrome, Firefox, and Edge, you can add specific sites to an allow list in their settings.
Why does Safari say it blocked a pop-up when I don't see anything?
The pop-up may have been an invisible redirect or a script that tried to open a window in the background. Safari blocks these silently. The notification tells you something tried to open, even if you wouldn't have seen it.
Do I need to restart my browser after changing pop-up settings?
No. Changes to pop-up settings take effect when ready in Safari, Chrome, Firefox, and Edge. You don't need to close and reopen the browser.
What if a website asks me to disable my pop-up blocker?
Use the "allow for this site only" option instead of disabling it everywhere. If the website is legitimate (a bank, your email provider, a major retailer), allowing pop-ups just for them is safe and keeps blocking on for everything else.