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Казахстан

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Украина (русский)

المملكة العربية السعودية

الدول العربية

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Indonesia (English)

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Malaysia (Bahasa Melayu)

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ประเทศไทย

Online Security & Privacy

Browse smarter and safer for free — install Avast’s security and privacy extension

Stay more private online. Get more control over who sees your online activity info. Boost your online security against harmful websites and phishing scams.

Add to Chrome for free

Add to Firefox for free

Add to Edge for free

Add to Opera for free

26,260 people scored us 4.4 / 5

4.4

Also works with Firefox, Edge, Avast Secure Browser, or Opera

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Edge, Avast Secure Browser, or Opera

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Firefox, Avast Secure Browser, or Edge

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Firefox, Avast Secure Browser, or Opera

26,260 people scored us 4.4 / 5

44

Also works with Firefox, Edge, Avast Secure Browser, or Opera

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Edge, Avast Secure Browser, or Opera

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Firefox, Avast Secure Browser, or Edge

26,260 people scored us 4.4 / 5

44

Also works with Chrome, Firefox, Avast Secure Browser, or Opera

Block online trackers and browse anonymously

Take the hassle out of website cookie permissions

Easily avoid malicious websites and phishing scams

Optimize your privacy settings on your favorite platforms

New feature

Cookie Manager

Reduce annoying cookie pop-ups when you visit websites

Take all the hassle out of dealing with cookie permissions every time you visit websites. Let Avast’s Cookie Manager do it for you.

Avoid seeing and dealing with annoying cookie pop-ups.
Auto accept or decline cookies — set it and forget it.
Save time and avoid thousands of unnecessary clicks while you browse.

Privacy features

Keep your online activities private and anonymous

Keep your online activity hidden, block online snoops, and get step-by-step privacy advice.

Anti-tracking – prevent tracking on every website you visit.

Ads opt-out – send requests to specific advertisers to stop using your data.

Global Privacy Control– stop web companies from collecting and selling your personal data. Learn more

Privacy Advisor – optimize your privacy settings in seconds, across your favorite platforms, guided by our Privacy Advisor.

Security features

Secure your browser against online threats and phishing scams

Enjoy an extra level of real-time threat protection, every time you browse.

Phishing protection – identify and block phishing scams in seconds.

Safe searches – get safer search engine results that show which sites are safe and which aren’t, before you visit them.

Secure browsing – get a real-time alerts about suspicious web pages and block your connection before they can cause harm.

Privacy advisor

Get your social media privacy settings working harder

Reduce the amount of personal info your share online. Access step-by-step advice about the privacy settings on your favorite online services, including Instagram, Facebook, X, Google, and more.

Online Security & Privacy

Get our online security and privacy extension – enjoy greater browsing confidence

Enhance your online privacy by blocking online trackers and managing who can monitor your online habits. Strengthen your online security against malicious websites and phishing.

Add to Chrome for free

Add to Firefox for free

Add to Edge for free

Add to Opera for free

FAQs

Users don't need to stop using their favorite browsers — they can simply add some smart enhancements or services that improve their basic browser's functionality. Usually, these extensions are for desktop browsers only.

Browser extensions are safe but it’s important to install the extension from a reputable source with a high trust rating among users. It’s best to remove questionable browser extensions that you suspect might be negatively impacting your privacy and security. If in doubt, read the company’s privacy policy and check online user ratings.

A security and privacy browser extension is a great way to add more layers of security and privacy to your current browser. Avast Online Security & Privacy is safe to use and, when used together with our other privacy and security products, helps to provide 360-degree protection.

Yes, it’s free. At Avast we believe that everyone deserves free access to essential online security and privacy protection. Download SecureLine VPN, AntiTrack, or BreachGuard if you want more comprehensive online privacy and identity theft support alongside our browser extension. Keep in mind, you can always look out for discounts on Avast products anytime throughout the year. Your privacy is vital to us. For this reason, we don’t ever sell your data. Check our privacy policy.

Yes, it can — it adds an extra layer of security and privacy to Google Chrome so users can browse with added security and privacy. In fact, Avast Online Security & Privacy browser extension can be used with the following browsers: Mozilla, Microsoft Edge, Opera, and Avast Secure Browser.

Not yet. That said, if you’d like this, why not download Avast Secure Browser from our dedicated page? Our standard version of this browser is 100% free and blocks online ads, which can help speed up your browsing experience. And that’s not all. You can also use it alongside our Avast Online Security & Privacy extension, enjoying the online security and privacy perks of both apps.

Visit our Support Center for more FAQs

Cover your privacy from all angles

Add advanced privacy protection to your essential protection with these Avast products.

SecureLine VPN

Enjoy true online privacy — encrypt your connection with the click of a button.

AntiTrack

Get even more privacy by disguising your online identity and blocking invasive tracking cookies.

BreachGuard

Make your personal info safer against being exploited online and strengthen your online privacy settings.

Get privacy and security tips, straight from the experts

Read more at Avast Academy

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A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.

What Is a VPN and How Does It Work?

You can use a VPN connection to protect online privacy and access content. Learn how a VPN works, what VPN means, and the benefits of a VPN.

Why Is My Internet So Slow & How to Speed It Up

Wondering why your internet is so slow? Learn how to speed up your internet connection & make your download speeds faster.