8 best antivirus for online scanning [Windows 10 & Mac]

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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  • Free online scans can be a quick and performance-friendly solution to a full-fledged antivirus suite.
  • If that is something you're interested in, here are our top picks for online virus scanners.
  • Check out more handy solutions to shield your system against cyber threats, right here is our Cybersecurity Tools and Tips.
  • Visit the Antivirus Hub as well to get all the latest news and updates from this industry.
antivirus for online scan
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If you’re not ready to invest and/or install a good, full-fledged antivirus software program, there are two other options you can try that are made readily available: free antivirus or free online scans.

An antivirus for online scans may not be a truly free solution, neither will it provide further benefits. But it will at the very least let you know of any potential threats or those already lurking in your system or network.

The difference with the free trial or free editions is the antivirus for online scans executes its work on a server on the internet.

Online scans are done differently depending on which antivirus you decide to use. Some will work via the internet, while others let you download and scan for free.

Best antivirus for online scans to use today



Powered by Bullguard, the Virus Scanner is a popular freeware with which you can team up to scan critical areas of your device or computer quickly.

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In fact, all you need to do is download the scanner and start the analysis covering every single potentially exploitable area of your system.

This includes your running processes, network connections, files, plugins, system folders, and other files like DLL and EXE within seconds, after which you can view a detailed report of the scan.

Needless to say, this online scan antivirus will not only detect malware but will also get rid of it through its powerful removal tools.

Speaking about tools, let’s quickly look at its key features:

  • In-depth analysis and accurate detection of potential malware
  • Free 60-day trial version to fully convince yourself of its capacities
  • Comprehensive scan and removal features
  • Protection against viruses, worms, Trojan Horses, spam, spyware, identity theft, hacking, phishing, fraud, and social engineering
  • Light and extremely fast
  • Live Support Chat available 24/7


Free online virus scan with a premium endorsement? Yes, it is possible thanks to Bullguard.

Check out the full Bullguard review here



The real-time protection feature included in the Bitdefender security software provides continuous protection against a wide range of malware threats.

Actually, this powerful scanning tool will cover anything from apps to network shares, archives, files, and emails to boot sectors.

Obviously, you can use the real-time online scan feature not only to detect malware, but also to take appropriate actions including moving files to quarantine, and blocking access.

Speaking about tools, let’s quickly look at its key features:

  • Default real-time protection against malware
  • Minor impact on system performance thanks to its lightweight infrastructure
  • Customizable scanning options for a tailored analysis
  • Comprehensive scanning reports with appropriate measures
  • Options to scan for keyloggers and early boot scan


Get premium, real-time protection powered by Bitdefender for all OS versions.

Check out the full Bitdefender review here



With Panda’s Cloud Cleaner, a free antivirus for online scans, you can scan your PC for free using this advanced disinfector that is based on cloud scanning to detect malware that traditional solutions can’t.

It also gives you options for online scanning if you can start the infected computer, or if you cannot start it.

let’s quickly look at its key features:

  • Rescue USB to disinfect PCs that cannot boot up
  • Panda Cloud Cleaner Rescue ISO (for computers that won’t boot -> advanced users only)
  • Web and email support, backed by 24/7 year-round remote and chat support
  • Tune-up and virus removal tools
  • Maintenance and repair of your OS


Combine cloud scanning with advanced disinfector capacities to shield your PC.
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Scan free with Panda Cloud Cleaner



F-Secure’s Online Scanner scans and cleans your PC for free, getting rid of viruses and spyware. It also works even if you have other security software installed.

This antivirus for online scans is easy to use with a few clicks after which you download and run it.

Let’s quickly look at its key features:

  • It leaves nothing on your PC, plus it is completely free
  • Standalone program that automatically downloads the signature files before scanning your PC
  • If it finds infected files, F-Secure will request that you restart your computer so it can clean them
  • You can also see details of where malware is located, the malware type, and the number of infected files

Scan now with F-Secure Online Scanner



There’s no way you can discuss antivirus software without mentioning Kaspersky at least once.

Kaspersky’s Security Scan is also a standalone app that you have to download and run on your PC.

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It is simple, easy to use, plus you get to perform a full system scan real quick and schedule regular scans if you like, though it does this bi-weekly by default.

Let’s quickly look at its key features:

  • Delivers reports presented in several sections such as malware, system protection, and then other issues
  • Proper scanning and cleanup of your system or PC
  • Customizable options for scanning (scheduling, depth etc.)
  • Lightweight, standalone app

Scan now with Kaspersky

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Norton’s Security Scan, powered by Symantec, delivers the power and speed of Norton scan technology for free!

As a standalone app, you have to download and run it so as to perform security scanning and let it detect whether there are viruses or other malware presents on your PC.

In addition, there is also a clearing suspicious cookies feature to guarantee your full protection.

Scan now with Norton Security Scan


antivirus for online scan

ESET’s Online Scanner is a free online virus scan that detects and removes malware, is easy to use, and runs from any browser.

Some of the benefits that come with this antivirus for online scans include one-click activation without registering any contact information and comprehensive detection of both known and unknown malware.

In addition, the tool also boats up-to-date threat and heuristic detection algorithms and in-depth scanning.

The latest version has improved usability, finds and removes malware in the system registry, offers restart and rescan for malware that can be cleaned with restart, plus scans Autostart locations and boot sector.

Scan now with ESET Online Scanner

Trend Micro


HouseCall by Trend Micro is a free antivirus for online scan that detects and fixes malware on your PC.

Features include an easy to use interface, fast scanning, three scan options from quick, full or custom, Smart Scan – the latest antivirus protection – with reduced download times, scan results comparisons, and file recovery.

Let’s quickly look at its key features:

  • Standalone and browser-independent application, compatibility issues-free
  • Enhanced detection and cleanup (it addresses sophisticated threats on all your network devices with recommendations on how to eliminate them)
  • Anti-ransomware toolkit, Rubotted, and the RootKit Buster
  • Automatic virus updates, personal firewall, spam blocking, spyware detection and removal
  • Protection against identity theft and protection for your router/Wi-Fi

Scan now with Trend Micro House Call

Ready for a test run with any of these antivirus solutions for online scans?

Let us know which one you tried and share your experience in the comments section below.

FAQ: Learn more about antivirus online scans

  • What is the best online antivirus scanner?

As far as we are concerned, Bullguard is your best bet. Check out this complete list of online virus scanners and compare their features to make your pick.

  • What is the best free online antivirus scan?

Bitdefender provides the best solution for online virus scanning and it’s completely free. Take a look at our full review of the Bitdefender Security Suite.

  • Are online virus scans safe?

Indeed, online virus scanners are useful and lightweight solutions for quick sanity scans. Make sure you stick to trusted antivirus brands though.

Editor’s Note: This post was originally published in December 2017 and has been since revamped and updated in June 2020 for freshness, accuracy, and comprehensiveness.

Editor's Note: This article was originally published in December 2017 and was revamped and updated in October 2020 for freshness, accuracy, and comprehensiveness.