You can block browser pop-up ads by using the built-in or third-party tools or settings in your browser, such as:

• Chrome: Go to Settings > Privacy and security > Site Settings > Pop-ups and redirects and turn on or off the pop-up blocker. Manage pop-ups for specific sites by clicking on the Pop-up blocked icon in the address bar. Scan your device for malware or block notifications from your site settings if you still get pop-ups. ^{3 4}
• Edge: Go to Settings > Cookies and site permissions > Pop-ups and redirects and turn on or off the pop-up blocker. Block or allow pop-ups for specific sites by finding them under "Allowed to send pop-ups and use redirects" and clicking on the More icon. Update Edge, scan your device for malware, disable your extensions, block third-party cookies, or clear your browser cache if you still see pop-ups. ²
• Firefox: Go to Settings > Privacy & Security and check or uncheck the box next to "Block pop-up windows". Allow pop-ups for specific sites by clicking on the Options button in the address bar when a pop-up is blocked. Scan your device for malware or block notifications from your site settings if you still get pop-ups. ⁵
• AdBlock: Visit getadblock.com from the browser of your choice and install AdBlock. AdBlock can also help you disable third-party tracking, hide cookie notifications, and block videos that play automatically or follow you around the screen. Enroll in AdBlock Premium for $1 monthly or $10 annually to access these features. ¹

Pop-up ads are annoying and intrusive, but they can also be harmful if they contain malware or phishing attempts.