Virus protection is very important because one of the biggest threat of using a computer or mobile devices is virus infection. Therefore, antivirus software has become a must-have tool for many computer users. Nowadays many Antivirus softwares are totally full protection software which basically acts like a layer over all programs in your computer to protect from various threats like virus, trojan, worm, malware, spyware, rootkit infections etc. There are some excellent anti virus software for free download.

But if you are not able or don’t want to install antivirus software, online antivirus scanners are very good alternative options for you to save your computer.

In this article I have present the 15 Best Free Online Antivirus Scanners and simplifies your task of finding the best anti virus software. These tools will help you to keep your computer clean and healthy by protecting it against various viruses, threats and malware infections.

avast! Online Scanner

avast! Online virus scanner gives the possibility to check your files quickly and free of charge. Each time you may check only one file with size not exceeding 512kB.

Panda ActiveScan 2.0

ActiveScan 2.0 – Free Antivirus is an advanced online scanner based on Collective Intelligence (scanning in-the-cloud) that detects malware that traditional security solutions cannot detect.

McAfee FreeScan

FreeScan searches for viruses, including the latest known “in the wild” viruses, and displays a detailed list of any infected files.

Symantec Security Check

Symantec Security Check tests your computer’s exposure to a wide range of online threats. It’s free and an effective tool that helps determine your Internet security needs.

F-Secure Online Scanner

F-Secure Online Scanner can help get rid of viruses and spyware causing problems on your PC. After running Online Scanner, you should make sure that you have an up-to-date security solution keeping your computer free of problems in the future.

Kaspersky File Scanner

If you discover a suspicious file on your machine, or suspect that a program you downloaded from the Internet might be malicious, you can check the files through Kaspersky File Scanner.

BitDefender Online Scanner

BitDefender Online Scanner is an on-demand antivirus and antispyware tool that shows how safe your PC is. Accessible from your browser, it will scan and automatically clean the system memory, all files and drives’ boot sectors.

Trend Micro HouseCall

HouseCall can quickly identify and fix a wide range of threats including viruses, worms, Trojans, and spyware. It is now faster, more powerful and browser independent!

Virustotal

Virustotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines.

Jotti’s Malware Scan

Jotti’s malware scan is a free online service that enables you to scan suspicious files with several anti-virus programs.

ESET Online Scanner

ESET Online Scanner is a user friendly, free and powerful tool which you can use to remove malware from any PC utilizing only your web browser without having to install anti-virus software.

CA Threat Scanner

The CA Online Threat Scanner scans your computer for viruses and spyware and can detect malware threats from within your web browser.

VirSCAN.org

VirSCAN.org is a FREE on-line scan service, which checks uploaded files for malware, using antivirus engines, indicated in the VirSCAN list.

NanoScan

Do you use personalized homepages as NetVibes, iGoogle or PageFlakes? If so, you’ll be able to NanoScan your PC for viruses, spyware, Trojans, etc. right from your homepage.

Multi-Engine Antivirus Scanner

If you have a suspicious file you can submit it in the form below and novirusthanks system will analyze your file with 24 AntiVirus Engines and will report back the analysis result.