CRX id
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Description from extension meta
SafeToOpen Online Security protects you against scams, viruses, and phishing web pages.
Image from store
Description from store
SafeToOpen Online Security – Smarter Protection from Online Threats
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
Latest reviews
- (2025-07-11) Adrienna Zsakay: Fantastic extension. Highly recommended and lightweight for your browser.
- (2025-07-10) arthur gabor: I have had this loaded on my computer for quite some time now and am completely satisfied with the performance on a daily basis and in unusual circumstances. I would and have recommended this security service since I found out about it and will continue to into the future. Thank you for protecting my computer and all the information and activity within it.
- (2024-08-03) Stephen Au: Great product as I've tried using other anti-phishing products. This one is by far the best I've found, so much so I've also installed it on other family computers.. It effectively identifies phishing links and alerts promptly if there's an abnormality. 10/10 recommend!
- (2024-08-03) Len: trying it out in a few days i tell if it is good or bad hopes it good
- (2024-04-08) Arshi Jaddoo (Bluetality): Used several anti viruses before, this one is genuinely the best
- (2023-12-07) hendi Samsul: this is my first time using this extension,hope can protect me browsing from malicious .
- (2023-11-22) Caree Jonse: I like it very much. This is very good extension
- (2023-10-20) David Newsome: All i can say is WOW!!!! A must have extension.
- (2023-10-20) David Newsome: All i can say is WOW!!!! A must have extension.
- (2023-03-26) Sam S: people recommend it and say how much it's helped them avoid phishing and those sneaky Zero-Day attacks. Plus, it's really easy to use, which is a huge plus in my book. The folks who made this thing seriously know their stuff, and I would totally recommend it to anyone who wants to feel secure when they're browsing the web.
- (2023-03-26) Sam S: people recommend it and say how much it's helped them avoid phishing and those sneaky Zero-Day attacks. Plus, it's really easy to use, which is a huge plus in my book. The folks who made this thing seriously know their stuff, and I would totally recommend it to anyone who wants to feel secure when they're browsing the web.
- (2022-05-15) Maziar Janbeglou: The extension protected me from a website that looks very legitimate but it was phishing. 100% recommeded!
- (2022-05-15) Maziar Janbeglou: The extension protected me from a website that looks very legitimate but it was phishing. 100% recommeded!
- (2022-01-26) Mike Taylor: Fantastic, fast tool. I've also recommended it to close family and friends.
- (2022-01-26) Mike Taylor: Fantastic, fast tool. I've also recommended it to close family and friends.
- (2021-08-01) Elly Wan: Recommended by one of my colleagues, he randomly saw the post related to this tool from Linkdin and started to use it. It turns out working perfectly. Such great tool and hope it will become popular and benefit to more and more people in the near future. Huge thanks to the developement team.
- (2021-08-01) Elly Wan: Recommended by one of my colleagues, he randomly saw the post related to this tool from Linkdin and started to use it. It turns out working perfectly. Such great tool and hope it will become popular and benefit to more and more people in the near future. Huge thanks to the developement team.
- (2021-07-29) Teleputty Co: Super easy to use. It actually works!
- (2021-07-29) Teleputty Co: Super easy to use. It actually works!
- (2021-07-29) Mehrdad Janbeglou: Consider Safetoopen's solution as the last defense layer if protection against Zero-Day attack really matters to you. Since I am using it I had no concerns at all and I feel safe :)
- (2021-07-29) Mehrdad Janbeglou: Consider Safetoopen's solution as the last defense layer if protection against Zero-Day attack really matters to you. Since I am using it I had no concerns at all and I feel safe :)
- (2020-09-25) Parsa J: I've been using this extension for months and its always been reliable, safe and quick. Fantastic work!
- (2020-09-25) Parsa J: I've been using this extension for months and its always been reliable, safe and quick. Fantastic work!
- (2019-09-25) Paul Hackett: Awesome tool, highly recommended for general day to day browser use.
- (2019-09-25) Paul Hackett: Awesome tool, highly recommended for general day to day browser use.
- (2019-03-24) jean noel GADRAS: Awesome tool! Easy of use, efficient, great work!
- (2019-03-24) jean noel GADRAS: Awesome tool! Easy of use, efficient, great work!
- (2019-02-26) Nice work
- (2019-02-26) Nice work
- (2019-02-19) adele sali: thanks.this is very useful
- (2019-02-19) adele sali: thanks.this is very useful