Free Website Malware Scanner

Check your website for malware — injected scripts, suspicious code and blocklist status — and get a plain-language verdict. Free, no signup, nothing installed.

What an online malware scan actually checks

An online malware scanner works from the outside: it fetches your pages the way a visitor's browser would, then analyzes what comes back. Specifically, our free scan looks at:

• Injected scripts. JavaScript on your public pages that doesn't belong there — the most common visible sign of a website infection.
• Suspicious code patterns. Obfuscated scripts, hidden iframes, and unexpected redirects embedded in your pages.
• Blocklist status. Whether security vendors and safe-browsing services have flagged your domain — the source of "Deceptive site ahead" browser warnings.
• Reputation signals. Whether your domain shows up in sources that track phishing and malware distribution.

All of this happens without touching your server: the checks are strictly read-only.

Signs your site may have malware (before you even scan)

• Visitors report popups, unexpected downloads, or antivirus warnings.
• Your pages redirect — especially on mobile — to spam or scam sites.
• Browsers warn visitors with "Deceptive site ahead."
• Google search results show strange pages or text under your domain (check with site:yourdomain.com).
• Your hosting provider warns you about spam being sent from your account.
• Files or admin users appear that you didn't create.

See our full guide on how to check if your website is hacked for the complete picture.

Run the free scan — what the verdict means

Paste your URL at the scanner, confirm you own the site, and wait for the deep scan to finish. The malware section gives you one of three verdicts:

• Clean. No malware indicators found on your public pages, and your domain isn't on the checked blocklists. Reassuring — but remember the honest limits below.
• Suspicious. Something looked off but couldn't be confirmed — an unusual script, an inconclusive reputation signal. Investigate before ignoring it.
• Flagged. Malicious indicators or a blocklist listing were found. Follow the cleanup sequence below.

If malware is found: the cleanup sequence

Finding malware is stressful, but a methodical cleanup works. Follow this order:

• 1. Isolate. Put the site in maintenance mode so visitors aren't exposed while you work.
• 2. Back up the evidence. Save files and database as they are — including the malicious parts. You need them to find the entry point.
• 3. Remove the malicious code. Restore clean files from a backup made before the infection, or surgically remove injected scripts and rogue admin users.
• 4. Patch the entry point. Update everything, reset all passwords (hosting, CMS, database, FTP), and add missing security headers. This is the step people skip — and why infections come back.
• 5. Request a Google review. In Search Console, under Security Issues, ask Google to recheck your site so warnings are lifted.
• 6. Rescan. Run the free scan again to confirm the public-facing infection is gone.

Honest limits: what external scans can't see

An external scan sees your public pages — nothing more. It cannot read your server's files, inspect your database, or find backdoors hidden in PHP code that never renders in a browser. Some infections are designed to be invisible from the outside.

That means a "clean" verdict is good news, not a guarantee. If you have real reason to suspect an infection — reinfection after cleanup, host warnings, database changes — you need an internal, file-level scan run from your hosting panel or a trusted security plugin, and possibly professional help. No online scanner can replace that.

Prevention checklist

• Keep your CMS, plugins, themes and server software updated; delete what you don't use.
• Use strong unique passwords and two-factor authentication on all admin accounts.
• Add the security headers your scan report flags as missing.
• Set restrictive file permissions on the server (your host can help).
• Keep automated, tested, off-site backups.
• Rescan monthly and after every update.