The fastest way to stop pop-ups depends on your browser
Most modern browsers block pop-ups by default, but ads that slip through usually come from websites you visit, not from your browser itself. The real solution is a combination of built-in browser settings and, for stubborn cases, an ad-blocking extension. Chrome, Firefox, Safari, and Edge all have pop-up blockers turned on out of the box — if you are still seeing them, either a website is using a method the blocker does not catch, or you have accidentally turned the setting off.
The steps differ slightly by browser, but the principle is the same: check your privacy or content settings, make sure pop-ups are blocked, and add an extension if the built-in blocker is not enough. Most people find that turning on the browser's native blocker solves the problem. For the rest, a free extension like uBlock Origin or Adblock Plus catches what the browser misses.
Key Takeaways
- Chrome, Firefox, Safari, and Edge block pop-ups by default, so check your settings first before installing anything new.
- If pop-ups still appear, you can allow them for specific websites while blocking them everywhere else.
- Ad-blocking extensions like uBlock Origin and Adblock Plus work across all browsers and catch pop-ups the built-in blocker misses.
- Some websites deliberately bypass pop-up blockers with ads that look like system warnings or notifications — these require an extension to stop.
How to turn on pop-up blocking in Chrome
Open Chrome and click the three vertical dots in the top right corner, then select Settings. Go to Privacy and security on the left side, then click Site settings. Scroll down and click Pop-ups and redirects. Make sure the toggle at the top is set to Blocked (the default). If it says Allowed, click it to turn blocking back on.
If you want to allow pop-ups on a specific website — for example, a banking site that needs them to work — you can add that site to the exceptions list on the same page. Click Add next to "Allow" and type the website address. Chrome will then let pop-ups through only on that site.
How to turn on pop-up blocking in Firefox
Open Firefox and click the three horizontal lines in the top right, then select Settings. Click Privacy & Security on the left. Under the "Permissions" section, find Pop-ups and make sure the checkbox next to "Block pop-up windows" is checked. This is the default, so if it is already checked, your blocker is on.
To allow pop-ups on a specific site, go back to the same section and click Exceptions next to the pop-ups setting. Type the website address and click Allow, then Save Changes. Firefox will remember that site and let pop-ups through only there.
How to turn on pop-up blocking in Safari
Open Safari and click Safari in the menu bar at the top of the screen, then select Settings. Click the Security tab. Make sure the checkbox next to Block pop-up windows is checked. If it is already checked, pop-up blocking is on.
Safari does not have a built-in way to allow pop-ups on specific sites, so if a website needs them to work, you will need to temporarily turn off the blocker, visit the site, then turn it back on. Alternatively, you can install an extension that gives you more control over which sites can show pop-ups.
How to turn on pop-up blocking in Edge
Open Edge and click the three dots in the top right corner, then select Settings. Click Privacy, search, and services on the left. Scroll down to the "Tracking prevention" section and look for Pop-ups and redirects. Make sure it is set to Block (the default). If it says something else, click the dropdown and change it to Block.
To allow pop-ups on a specific website, go to that site, click the lock icon or info icon in the address bar, and look for the pop-ups setting. You can toggle it on for just that site while keeping it blocked everywhere else.
When to use an ad-blocking extension
If your browser's built-in blocker is on and you are still seeing pop-ups, an extension will usually stop them. uBlock Origin is free, lightweight, and works in Chrome, Firefox, Edge, and Opera. Adblock Plus is another popular choice and works across all major browsers. Both are available in your browser's extension store — search for the name, click "Add to [Browser]", and you are done.
These extensions do more than block pop-ups: they also remove banner ads, video ads, and other unwanted content from websites. The trade-off is that some websites detect ad blockers and ask you to turn them off before you can read the page. You can usually whitelist a site (tell the extension to stop blocking on that page) by clicking the extension icon and adjusting the settings for that domain.
Be cautious about which extensions you install. Stick to well-known ones from the official store for your browser — Chrome Web Store, Firefox Add-ons, Microsoft Edge Add-ons, or the App Store for Safari. Avoid extensions from third-party websites, as they may contain malware or track your browsing.
Why some pop-ups are harder to block
A few websites use tricks to get around pop-up blockers. Some open ads in new tabs instead of pop-up windows, which browsers treat differently. Others use notifications that look like system warnings — "Your device is infected" or "Click here to update" — which are technically not pop-ups and slip past the blocker. Some sites also open pop-ups only after you click a link or button, which makes them harder for the browser to predict and block.
An ad-blocking extension catches most of these because it works at a deeper level than the browser's built-in blocker. If you are still seeing ads after installing an extension, you can report them to the extension's developers, and they often add new filters to catch them in future updates.
Frequently Asked Questions
Will blocking pop-ups break websites I use?
Rarely. Most websites work fine with pop-ups blocked. Some banking or financial sites use pop-ups for security reasons, and a few older websites rely on them for navigation. If a site does not work, you can add it to your blocker's exceptions list, and pop-ups will go through on that site only.
Do I need both a browser blocker and an extension?
No. The browser's built-in blocker stops most pop-ups. Add an extension only if you are still seeing them after turning the blocker on. Using both at once does not hurt, but it is usually unnecessary and may slow your browser slightly.
Can websites tell if I am using an ad blocker?
Yes, many can detect ad blockers and will ask you to turn them off or show a message saying you are using one. You can whitelist individual sites in your extension settings to let ads through on pages you trust, or you can ignore the message and keep blocking — it is your choice.
Are free ad-blocking extensions safe?
The well-known ones like uBlock Origin and Adblock Plus are safe and widely used. Install them only from your browser's official store, not from random websites. Check the reviews and download count before installing anything new — extensions with thousands of reviews and millions of users are generally trustworthy.
What if I want to block ads but allow pop-ups on one website?
Most extensions let you whitelist individual sites. Click the extension icon when you are on the site you want to allow, then look for an option to disable the extension on that domain. The extension will stop blocking on that site while continuing to block everywhere else.