Free Anti-Spyware Scanner and Remover

Powerful spyware scanner

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Trusted by over 400 million users

Award-winning protection

Our best free spyware removal tool

Run a free spyware scan — powered by Avast's industry-leading antivirus detection — and remove spyware and block malicious downloads before they can do harm. Get the world’s largest threat-detection network and machine-learning spyware protection in a single, lightweight spyware scan and removal tool — 100% free.

Install free protection

Get it for Mac, PC, Android

Download free anti-spyware

Get it for Android, iOS, Mac

Install free anti-spyware

Get it for PC, Mac, iOS

Download free anti-spyware

Get it for iOS, Android, PC

The benefits of Avast One’s spyware scanner and remover

Smart Scan

Removes existing spyware and updates in real time to defend against new and emerging threats.

Webcam protection

Prevents untrusted apps and potential spyware from accessing your webcam without consent.

Quarantine

Keeps your device clean by isolating potential spyware and other malware from the rest of your system.

Boot-time scan

Finds and isolates spyware before your operating system inadvertently loads malicious files.

File Shield

Alerts you immediately if any malicious apps or files are detected on your device, and blocks them.

Web Shield

Prevents malicious scripts from loading while you browse online, and blocks dangerous websites.

Smart Scan

Removes existing spyware and updates in real time to defend against new and emerging threats.

Webcam protection

Prevents untrusted apps and potential spyware from accessing your webcam without consent.

Quarantine

Keeps your device clean by isolating potential spyware and other malware from the rest of your system.

Boot-time scan

Finds and isolates spyware before your operating system inadvertently loads malicious files.

File Shield

Alerts you immediately if any malicious apps or files are detected on your device, and blocks them.

Web Shield

Prevents malicious scripts from loading while you browse online, and blocks dangerous websites.

Stay safe with award-winning spyware protection

Our top-ranked antivirus engine that powers Avast One has been winning prestigious awards for years. Independent security test labs and experts agree: Avast’s cybersecurity protection is among the best in the world.

Avast One was awarded five stars from TechRadar and won the coveted 2021 Editors’ Choice award from PCMag. Our trophy case is full of awards from industry-respected sources, including:

PCMag: Editors’ Choice, 2023
TechRadar: 5 stars, 2021
AV-TEST: Top Product, AV Test Certified, 2022

Anti-spyware protection trusted by over 400 million users

But don't just take our word for it.

The UI for your software - amazing. Great work over the years. Can't say enough good things!

Ryan R.

Thank you, Avast, for the excellent work you do. I run your antivirus software on both my Mac OS X and my Windows machines. You have the best products on the market, period.

Eric S.

I’ve been using Avast for over a year and have found it one of the best free software protection devices on market.

Daryl C.

Get rid of spyware on your Mac or mobile, too

Protect all your devices against spyware and other malware. Get ironclad online security for your Mac, Android, and iOS device.

MAC

ANDROID

IPHONE/IPAD

Think your Mac might have a spyware infection? Avast’s Mac antivirus software automatically detects and removes spyware from your Mac while defending against other types of malware, like viruses and ransomware.

Phones also need spyware protection. Avast’s Android security software defends your phone from spyware, malicious apps, and other threats. Secure your Wi-Fi network and keep your data where it belongs — right in the palm of your hand.

Avast’s powerful iOS security app protects against spyware, dangerous websites, and other malicious threats. Block hackers, browse the web safely, and secure your Wi-Fi network with Avast.

Download our free spyware cleaner

Avast One scans, finds, and removes spyware, blocks future spyware infections, and guards against viruses, ransomware, and other threats. And, it doesn’t cost you a dime.

Install free protection

Get it for Mac, PC, Android

Download free anti-spyware

Get it for Android, iOS, Mac

Install free anti-spyware

Get it for PC, Mac, iOS

Download free anti-spyware

Get it for iOS, Android, PC

FAQs

What are the signs of spyware infection?

The most common signs of a spyware infection include:

Slow device performance
An overheating computer
Frequent freezes or crashes
Unexpected changes to your icons, homepage, or browser
Mobile app crashes
Unusually high background data usage if you’re on mobile

If you experience any of these issues, run a malware scan with a free antivirus app.

How can I get rid of spyware for free?

The best way to remove spyware is to use an anti-spyware scanner. Download and install a reliable free antivirus solution, and it will detect and remove the spyware from your device. Then, keep your device clean by removing junkware, PUPs, and other unnecessary software that can slow down your computer.

Is spyware the same as malware?

All spyware is malware, but not all malware strains are spyware. Spyware is just one type of malware that tracks your activity and collects information about your digital habits, and it’s designed to be hard to detect.

Why is spyware dangerous?

Spyware is a particularly dangerous form of malware because it’s so invasive. It can track your keystrokes, uncover your passwords, steal your personal information, and carry out other insidious activities. Certain spyware strains are highly sophisticated, and can be almost impossible to detect.

Can mobile devices get spyware?

Yes, phones are susceptible to viruses and other malware. One recent example is Pegasus spyware, which can be secretly installed on phones to read text messages, eavesdrop on calls, harvest passwords, and even track your physical location. Detect and remove threats with a malware removal tool, and protect your device with mobile security or dedicated iOS security.