Free online security tools to assist with infosec and security research.
Convert IP addresses to alternative formats (decimal, hex, octal)
Encode and decode Base64 strings
Calculate CVSS v3.1 scores for vulnerability assessment
Query DNS records including A, AAAA, MX, TXT, NS, and more
Create email address wordlists from names and domains
Generate and identify hash types including MD5, SHA-1, SHA-256, bcrypt, and more
Decode and analyze JSON Web Tokens
Check if specific ports are open on a target host
Discover subdomains using DNS enumeration techniques
Analyze Swagger/OpenAPI specs for security assessment scoping
Verify SSL/TLS certificates and check expiration dates
Generate 2FA codes from QR codes or secrets (testing only)
Generate lists of commonly used weak passwords for testing
These tools are provided for educational and authorized security testing purposes only.
Always ensure you have proper authorization before using these utilities on systems you don't own.