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Preview of SafeToOpen Online Security

SafeToOpen Online Security by SafeToOpen

SafeToOpen Online Security – Smarter Protection from Online Threats

5 (3 reviews)5 (3 reviews)
70 Users70 Users
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About this extension
Stay safe from scams, phishing, malware, and zero-day attacks — with no setup, no tracking, no ads, and 100% free for personal use.

SafeToOpen Online Security is a lightweight browser extension that protects you as you browse by detecting fake and malicious websites — even those no one has seen before. It helps you understand the real purpose and reputation of each site so you can make safer decisions online.

Why Choose SafeToOpen?
- No sign-up required – install and browse safely right away
- Privacy-first – collects no personal data, ever
- Completely free – no ads, no hidden costs
- Fast and lightweight – runs silently without slowing down your browser
- Trusted globally – used by businesses, governments, and security professionals
- Verified on VirusTotal – listed as an official cybersecurity vendor

Top Features for Personal Use:
About This Site – Know Before You Click
Understand the real purpose and reputation of every website. Get clear, instant insights in your language to avoid scams and make informed decisions.

Real-Time Phishing Protection
Blocks known and never-before-seen phishing pages mimicking over 40,000 trusted brands — before you enter any sensitive info.

Built-in Protection for Personal Data
Alerts you if you paste personal or sensitive data (e.g., phone numbers, credit card numbers) into untrusted websites. (Requires manual activation in the extension menu.)

Block Malicious Websites and Downloads
Prevents access to known harmful websites and blocks risky downloads — powered by trusted threat intelligence.

Don't just browse. Browse safer and smarter.
Install SafeToOpen Online Security today for instant peace of mind.

For Businesses Too
Protect employees and customers in real time with SafeToOpen for Business — including centralized management, visibility, and advanced phishing protection.

Learn more: safetoopen.com/online_security.html
Contact us: safetoopen.com/contact.html
Privacy Policy: safetoopen.com/privacy.html
Rated 5 by 3 reviewers
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Permissions and dataLearn more

Required permissions:

  • Exchange messages with programs other than Firefox
  • Access browsing history
  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
6.2.0
Size
5.43 MB
Last updated
15 days ago (Jul 29, 2025)
Related Categories
  • Privacy & Security
  • Alerts & Updates
License
Mozilla Public License 2.0
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Tags
  • anti malware
  • antivirus
  • security
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Release notes for 6.2.0
A minor bug fix that improves performance and enhances detection accuracy.
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