ESET® Online Scanner

Try ESET’s Free Online Scanner

I want a free one-time scan with ESET Online Scanner

  • Detects and removes malware
  • Easy-to-use single scan
  • Runs from any browser
  • Completely free

I want to try ESET Smart Security FREE for 30 days

  • 30 days of full security coverage
  • Detects and removes threats, and more
  • Real-time, continuous protection
  • Automatic — runs in the background

How you can benefit from ESET Online Scanner

One-click activation

Scan your PC with one simple click and without having to register any contact information.

Runs from your favourite browser

Easily launch scans from Chrome, Firefox, Internet Explorer, Edge or Opera.


Comprehensive malware detection

Find both known and unknown viruses, worms, Trojans, spyware, phishing, and other internet threats.

In-depth scanning

Scan archive files to find hidden malware.

ESET Online Scanner -

What's new in the latest version

  • Improved usability
  • Scans Autostart locations and Boot sector
  • Finds and removes malware that only resides in the system registry
  • Offers restart and rescan for malware that can only be cleaned with restart
  • Administrator account not required to run scan

System requirements

Operating systems
Microsoft Windows 10/8.1/8/7/Vista/XP/2003/2000/NT (32/64-bit)

Internet browsers
Firefox, Opera, Chrome, Edge and Internet Explorer 6 or later


Disk space
Minimal 15MB, Optimal 30MB