Most browsers block pop-ups by default, and you can turn that off in settings or allow pop-ups from specific websites

Pop-up blockers stop unwanted windows from opening, but sometimes you need a pop-up to work — a login window, a form, a document preview. Your browser has a built-in blocker you can disable entirely, or you can allow pop-ups just from the sites you trust. The method depends on which browser you use and whether you want to change the rule for one site or all sites.

The fastest approach is usually to allow pop-ups from a single website rather than turning off the blocker everywhere. That way, other sites still stay protected. If a pop-up is blocked, your browser shows a notification or icon you can click to allow it.

Key Takeaways

  • Most browsers let you allow pop-ups from one website without disabling the blocker for all websites.
  • When a pop-up is blocked, your browser displays a notification bar or icon — click it to allow that pop-up.
  • You can also change pop-up settings in your browser's main settings menu under Privacy or Security.
  • Some websites require pop-ups to work, so you may need to allow them before you can use a feature like printing or downloading.

Allow pop-ups from a single website in Chrome

When Chrome blocks a pop-up, a small icon appears in the address bar on the right side. Click that icon and select Always allow pop-ups for [website name]. Chrome will then let pop-ups from that site open without asking again.

If you do not see the icon, the pop-up may have been blocked silently. Go to Chrome's main menu (three horizontal lines in the top right), select Settings, then Privacy and security, then Site settings, then Pop-ups and redirects. You will see a list of sites you have already allowed. To add a new one, click Add next to "Allowed" and type the website address.

To turn off the blocker entirely, go to the same Pop-ups and redirects page and toggle the setting at the top from Blocked to Allowed. This lets all websites open pop-ups, so use this only if you have a specific reason.

Allow pop-ups from a single website in Firefox

Firefox shows a notification bar at the top of the page when it blocks a pop-up. Click Show or the notification itself, and you will see an option to Allow pop-ups for this site. Select that option and Firefox remembers it for next time.

To manage pop-up settings manually, open Firefox's menu (three horizontal lines in the top right), go to Settings, then Privacy & Security, and scroll down to Permissions. Find Pop-ups and click Settings. You can add websites to the allowed list by typing the address and clicking Allow.

To disable the blocker entirely, uncheck the box next to Block pop-up windows on the same page. Firefox will then allow all pop-ups from all sites.

Allow pop-ups from a single website in Safari

Safari's pop-up blocker is on by default. When it blocks a pop-up, Safari does not always show a visible notification, so you may not know one was blocked. To allow pop-ups from a specific site, open Safari's menu and select Settings, then click the Security tab. Check the box next to Block pop-up windows to keep the blocker on, or uncheck it to turn it off entirely.

Safari does not have a built-in way to allow pop-ups from just one website — you either block all or allow all. If you need pop-ups from a particular site, you will need to turn off the blocker, visit that site, then turn it back on when you are done.

Allow pop-ups from a single website in Edge

Microsoft Edge shows a notification when it blocks a pop-up. Click the notification and select Allow pop-ups for this site. Edge will add the site to your allowed list.

To manage the list manually, open Edge's menu (three horizontal dots in the top right), go to Settings, then Privacy, search, and services, and scroll down to Site permissions. Click Pop-ups and redirects and you will see sites you have already allowed. Click Add to allow a new site, or toggle the main setting at the top to Allow if you want to disable the blocker entirely.

Why a website might need pop-ups to work

Some websites use pop-ups for features that look like separate windows but are actually just styled boxes. A login portal, a file read dialog, a form to submit information, or a preview of a document might all open in what looks like a pop-up. If the blocker is on, these features will not appear and the site may seem broken.

Banks, government websites, and educational platforms sometimes use pop-ups for security reasons or because they were built before modern web standards. If a website tells you to allow pop-ups and you have already done so but the feature still does not work, try a different browser or clear your browser's cache and cookies, then try again.

When to turn off the blocker entirely versus allowing one site

Allow pop-ups from a single site when you trust that site and use it regularly but want protection from other websites. This is the safest approach because most pop-ups on the open web are advertisements or malware.

Turn off the blocker entirely only if you are in a controlled environment — for example, on a work computer where your IT department manages security, or if you are troubleshooting a website and plan to turn it back on afterward. On a personal computer, leaving the blocker on and allowing specific sites is almost always the better choice.

Frequently Asked Questions

What if I allow a pop-up but it still does not appear?

The site may require you to refresh the page after you allow pop-ups. Close the page and open it again, or press Ctrl+R (Windows) or Command+R (Mac). If it still does not work, the website might use a different method to open windows that the blocker catches anyway, or the feature might be broken on that site.

Can I allow pop-ups from a site temporarily without saving the setting?

Most browsers do not have a one-time allow option. Once you allow pop-ups from a site, the setting stays until you remove it manually. To undo it, go back to your pop-up settings and delete the site from the allowed list.

Do extensions that block ads also block pop-ups?

Yes. Extensions like uBlock Origin and Adblock Plus block pop-ups in addition to ads. If you have one of these installed and a pop-up is not appearing, you may need to disable the extension for that site or add the site to the extension's allowlist instead of (or in addition to) your browser's pop-up settings.

Will allowing pop-ups from one site slow down my browser?

No. Allowing pop-ups from a specific site does not affect your browser's speed. The only performance impact comes from the pop-ups themselves if they contain heavy graphics or video, but that is the same whether the blocker is on or off.