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You are about to visit a website you have never heard of, or maybe your own site suddenly has a warning in search results. This Google Malware Checker tells you whether Google's Safe Browsing system has flagged a URL for malware, phishing, or other dangerous content. It is for everyday users checking a link before they click it, site owners investigating why their traffic dropped, and webmasters verifying their site is clean after a security incident.
Enter a URL, run the check, and get an immediate answer. Google Safe Browsing scans billions of URLs daily and maintains a constantly updated list of unsafe sites. This tool checks that list for you.
Google Safe Browsing is a service that identifies unsafe websites across the web and warns users before they visit them. You have probably seen the red warning screen that appears when you try to visit a flagged site. It tells you the site ahead contains malware or deceptive content and gives you the option to go back to safety. That warning protects billions of users every day, but it also has consequences for website owners.
If Google flags your site, several things happen immediately. Search results for your pages start showing a "This site may be hacked" or "This site may harm your computer" warning. Visitors who click through see the red warning screen. Many will turn back. Your traffic drops. If the flag remains for an extended period, your search rankings may suffer. The longer the problem goes unnoticed, the harder the recovery.
For site visitors, the checker provides peace of mind before clicking an unfamiliar link. For site owners, it serves as an early warning system. You can check your domain periodically or right after noticing something suspicious, like unexpected file changes, unknown admin users, or a sudden traffic drop. Finding out from the checker is better than finding out from a customer who saw the warning.
The tool queries Google's Safe Browsing service, which maintains a constantly updated list of URLs that have been identified as hosting malware, phishing pages, or other harmful content. Google discovers these sites through automated crawlers and user reports. When you submit a URL, the tool checks it against that list and reports whether the URL is currently flagged as unsafe. The Safe Browsing database is the same one that powers the warnings in Google Chrome, Firefox, and Google Search results.
You receive an email that claims to be from your bank with a link to log in and verify your account. The link points to a domain that looks almost like your bank's real website but has a slight spelling difference. You copy the link and paste it into the malware checker. The result says the site is flagged for phishing. Google Safe Browsing has identified it as a deceptive site that attempts to steal login credentials. You delete the email and do not click the link. The check took five seconds and may have saved you from a compromised account.
Google Safe Browsing checks for several categories of unsafe content including malware, phishing, unwanted software, and social engineering attacks. Malware sites try to install harmful software on your device. Phishing sites pretend to be legitimate websites to steal passwords or personal information. Unwanted software sites trick users into installing programs that behave in unexpected or harmful ways.
Your site may have been hacked and had malicious code injected into its pages without your knowledge. It could also be hosting user-generated content that contains harmful links, or your site might be distributing software that Google considers unwanted. Common causes include outdated plugins, weak passwords, and compromised third-party scripts.
First, identify and clean the infection. Remove any malicious code, unauthorized files, or suspicious user accounts. Update all software, plugins, and themes to their latest versions. Change all passwords. Once the site is clean, submit it for review through Google Search Console. Google will re-scan the site and remove the warning if no harmful content is found.
Google's automated systems scan sites continuously, so a warning can appear within hours of an infection being detected. In some cases, it may take a day or two. The timing depends on how often Google crawls your site and how quickly the malicious content is identified.
This tool shows the current status. If a site was previously flagged but has been cleaned and the warning removed, it will show as clean now. Google does not maintain a public history of past warnings for individual URLs.
Google's Safe Browsing specifically targets malware, phishing, and unwanted software. Sites that violate Google's spam policies may receive manual actions that affect their search rankings, but those are separate from Safe Browsing warnings and are managed through Google Search Console rather than this tool.
