ESET Online Scanner is described as 'user-friendly, free and powerful tool which you can use to detect and remove malware from any Windows PC using only your web browser—no installed security software necessary' and is a Anti-Malware app in the security & privacy category. There are more than 25 alternatives to ESET Online Scanner, not only websites but also apps for a variety of platforms, including Windows, Mac, Android, Android Tablet and iPhone. The best alternative is Malwarebytes Anti-Malware, which is free. Other great sites and apps similar to ESET Online Scanner are Avast Free Antivirus, Spybot - Search & Destroy, AdwCleaner and Bitdefender Antivirus.
ESET Online Scanner is mainly a Anti-Malware App but alternatives to it may also be Anti-Virus Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of ESET Online Scanner.
Bitdefender comes with real time scanning that is called Virus Shield and an auto-scan mode that checks your system when the computer is idle. Game mode is fully automated and will be enabled when it detects a full screen application running.
SUPERAntiSpyware is a software application which can detect and remove spyware, adware, malware, trojans, rogue software, worms, rootkits, parasites and other potentially harmful software applications, as well as restore modified system settings.
Zemana AntiMalware adds additional layers of security. It is a second opinion malware scanner designed to rescue your computer from malware that have infected your computer despite all the security measures you have taken.