Free scan to see if your Windows or Mac get infected. Detect and remove viruses, malware, spyware, and other malicious threats.

Analyse suspicious files, domains, IPs and URLs to detect malware and other breaches, automatically share them with the security community.

Scan your computer for malware for free with the ESET Online Scanner. Our free online virus scanner checks for any type of virus and helps you remove it.

Check your Windows PC with F‑Secure’s safe and free online virus scanner. All you need to do is to install the online scanner and run it to detect malware on your device.

Upload any file, URL, IP, or hash for scanning and online malware analysis. Detect ransomware with 20+ antivirus engines, inspect files with the Adaptive Sandbox, and neutralize threats with …

Oct 11, 2025 · If you don't want to install an antivirus, you can perform an online scan for security issues. Check out our best picks right here.