ESET Free Online Scanner

Malware and antivirus software

ESET Free Online Scanner

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Try ESET’s
Free Online Scanner

Scan your computer for threats
easily and effectively.

Enjoy ESET’s Easy-to-Use FREE Scanner

Detect and remove malware on your PC with a powerful and user-friendly tool that uses the same ThreatSense® scanning technology and signatures as ESET Smart Security and ESET NOD32 Antivirus — just by using your web browser.

Key Features

Enhanced Browser Support – Run scans in your favorite browser, such as Internet Explorer, Safari, Firefox, Chrome, Opera, Netscape, and more.

Destination Scanning – Select specific files or folders for quick scanning of suspicious objects.

Anti-Stealth Technology – Detect and clean hidden threats automatically from your system with ESET’s anti-rootkit technology, built on a key component of ESET's Smart Security and ESET NOD32 Antivirus programs.

Quarantine  – Delete or quarantine infected files into a special folder, where they no longer pose a threat to your system. Quarantined files can also be restored.


Get Even More Protection

For truly effective protection, a comprehensive antimalware solution is necessary to provide ongoing prevention — ESET Smart Security delivers multiple layers of protection and proactively stops computer threats in real time.

Learn more

Key Benefits

ESET's Online Scanner features these powerful security benefits for your PC — all free!

One-Click Activation – Scan your PC in one simple click without having to register any contact information.

Comprehensive Malware Detection – Find both known and unknown viruses, worms, Trojans, spyware, phishing, and other Internet threats.

Always Up-to-Date – Uses the most current threat signatures and heuristic detection algorithms available from ESET's Threat Lab.

In-Depth Scanning – Scan archive files to find hidden malware.

ESET Online Scanner

System Requirements

Operating Systems: Microsoft Windows 7/Vista/XP/2000/NT

Internet Browsers: Microsoft Internet Explorer 5.0 or later (with ActiveX turned on), Support for non-IE browsers (Firefox, Opera, Netscape, Chrome, Safari and others)

Memory: 32 MB

Disk Space: Minimal – 15 MB, Optimal – 30 MB

User Permissions: Administrator rights are required to run ESET Online Scanner


More Information

Consult the following pages for more useful information: 

ESET Technology

Receive multiple layers of data protection with the ESET ThreatSense® scanning engine.

Gamers, Go!

Protect your passwords and characters without sacrificing performance or response-time.

Awards and Certificates

ESET has consistently earned an array of accolades over the past two decades — and continues to do so.

Netbook Security

See how ESET solutions protect your digital privacy while you bank or shop online.

Interactive Comparison

Use the ESET Comparison Tool to help you make the right decision in securing your digital environment.

Staying Secure

Take a stand against malware writers who are constantly trying to exploit your personal information.



ESET has over 25 years' experience of helping people to Enjoy Safer Technology. Our software is light on hardware, but hard on malware.

Our Technology

ESET’s award-winning NOD32® Antivirus technology is at the cutting edge of digital security. It’s updated daily to keep you secure.

Free Support

Enjoy your free, industry-leading customer support locally. For technical, sales and marketing enquires dial +65 6296 4268.