Avast Online Security & Privacy
Avast browser security and web reputation plugin.
Manifest V3
- Users:
- 6,000,000+
- Rating:
- 4.44 (26,105) 1 ratings
- Version:
- 22.12.7 (Last updated: 2025-03-18)
- Creation date:
- 2020-06-02
- Permissions:
- tabs
- activeTab
- scripting
- storage
- alarms
- declarativeNetRequest
- declarativeNetRequestFeedback
- Host permissions:
- https://*/*
- http://*/*
- Size:
- 2.61M
- Email:
- br*****@avast.com
- URLs:
- Website ,Privacy policy
- Full description:
- See detailed description
- Source:
- Chrome Web Store
- Updated:
- 20 hours ago
Ranking
# 45 ▲ 3
Other platforms
User reviews
Users appreciate Avast Online Security for its ad blocking, virus protection, and easy usability. It gives warnings about unsafe sites and blocks pop-ups effectively. However, multiple reviews highlight significant false positives blocking legitimate websites without an easy whitelist option. Performance issues slowing down some sites, ineffective cookie pop-up blocking, frequent upgrade prompts, and limited VPN control also diminish its appeal. Overall, while useful for basic security, frequent false alarms and usability drawbacks prompt some users to consider alternatives.
Pros
- Blocks ads and some viruses effectively
- User-friendly and simple to use
- Provides warnings about unsafe or malicious websites
- Works well in blocking malicious pop-ups and redirects
- Generally reliable for basic antivirus and online security
Cons
- Frequent false positives blocking safe websites without easy whitelist option
- Causes slowdowns or performance issues on certain sites like Google search and YouTube
- Persistent upgrade prompts and lack of advanced functionality compared to alternatives
- Cookie pop-up stopper and problem reporting features not working consistently
- Lacks effective VPN controls and limited user customization
Recent reviews
@Roberto Pussini
Apr 19, 2025
"I understand there may be false positive, but when you report them and they ignore you, there is something wrong with their management. So you end up having warnings on safe websites. If they fix this, it will be a good product again."
i called them at start of the month, Adam was VERY angry w me that for 15 years i never payed up I HUNG UP on him
he was angry i was using free version
it locked my web page AGAIN!!
i went to WOT Web OF Trust
Roberto Pussini AVG ALSO BLOCKS EVERYTHING
by 
Coot Master, 2025-04-25
Coot Master, 2025-04-25I understand there may be false positive, but when you report them and they ignore you, there is something wrong with their management. So you end up having warnings on safe websites. If they fix this, it will be a good product again.
by 
Roberto Pussini, 2025-04-19
Roberto Pussini, 2025-04-19mantul
by 
Muhtar 12, 2025-02-22
Muhtar 12, 2025-02-22Extension safety
Risk impact
Avast Online Security & Privacy requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
Avast Online Security & Privacy has earned a good reputation and can be trusted.
Risk likelihood analysis details
- Medium This extension was updated in the past 3 months. New updates may not be stable or safe.
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