Scan your assets with thousands of
Online Free Security Tools
Explore the world's largest collection of free cyber security tools at S4E to boost your online safety. Export results in PDF, CSV, HTML, or VIDEO.
Latest updates
Full scan your assets with all security checks.
Or choose your own

for
Everyone
Information gathering scans that everyone can use for any IP or domain.for
Asset owners
Vulnerability scans that only the IP or domain owner can use.Latest Tools
Sample Cyber Security Scan Report
Scan them all, so you don't have to choose, we'll take care of it for you.
Full scan your assets with all security checks.
Get Output in Minutes
The Outputs section offers crawler results and scan reports, including video outputs for tool analysis and shareable links for easy report distribution.
for
Full scan
example.io | SSL Certificate Issuer Detection Scanner | Info | Full Scan | Open | 05 Sep 2024 15:19 |
example.io | SSL/TLS Supported Cipher | Medium | Full Scan | Open | 05 Sep 2024 14:56 |
example.io | DNS MX Record Lookup | Info | Full Scan | Open | 05 Sep 2024 14:57 |
example.io | Web Application Firewall (WAF) Detection Scanner | Medium | Full Scan | Open | 05 Sep 2024 14:44 |
example.io | Wappalyzer Technology Detection Scanner | Info | Full Scan | Open | 05 Sep 2024 14:52 |
example.io | Comment Lines Detection From HTTP Response Scann | Low | Full Scan | Open | 05 Sep 2024 14:55 |
for
Single scan
example.io | Panel scanner | Info |
Recommended
Most used
All Free Tools