Free Security Tools
Interactive security tools that run in your browser. No signup required, no data sent to servers (except the three live scanners). Built for penetration testers, security engineers, and developers.
Calculators & Analyzers
CVSS 3.1 & 4.0 Calculator
Free online CVSS 3.
Pentest Scoping Calculator
Free pentest scope calculator.
Vulnerability Remediation SLA Calculator
Free vulnerability remediation SLA calculator.
Password Strength Analyzer
Free password strength analyzer with entropy calculation, pattern detection, and crack time estimation.
Subnet / CIDR Calculator
Free subnet calculator with CIDR notation support.
Encoders & Decoders
Encoder / Decoder
Free online encoder and decoder for Base64, URL, HTML entities, and Hex.
JWT Decoder
Free online JWT decoder that decodes header and payload, validates expiry, and highlights security issues like alg:none.
Hash Generator
Free online hash generator for SHA-256, SHA-512, and SHA-1.
Regex Tester
Free online regex tester with real-time match highlighting and security-focused presets for IPs, CVEs, emails, AWS keys, and more.
Security Scanners
Generators
DMARC Record Generator
Free DMARC record generator.
SPF Record Generator
Free SPF record generator.
DKIM Record Generator
Free DKIM record generator.
MTA-STS and TLS-RPT Generator
Free MTA-STS and TLS-RPT generator.
Content Security Policy Generator
Free Content Security Policy generator.
CORS Policy Generator
Free CORS policy generator.
security.txt Generator
Free security.
Templates
Penetration Testing RFP Template
Free penetration testing RFP template.
Penetration Testing Proposal Template
Free penetration testing proposal template.
Penetration Testing Statement of Work Template
Free penetration testing statement of work template.
Penetration Testing Engagement Letter Template
Free pentest engagement letter template.
Penetration Testing Test Plan Template
Free pentest test plan template.
Penetration Testing Scope Change Addendum Template
Free pentest scope change addendum template.
Penetration Testing Stop-Test Letter Template
Free pentest stop-test letter template.
Penetration Testing Debrief Deck Template
Free pentest debrief deck template.
Penetration Testing Closure Letter Template
Free pentest engagement closure letter template.
Penetration Testing Evidence Destruction Certificate Template
Free pentest evidence destruction certificate template.
Penetration Testing Credential Handover Form Template
Free pentest credential handover form template.
Penetration Testing Retest Request Form Template
Free pentest retest request form template.
Pentest Vendor Evaluation Scorecard
Free pentest vendor evaluation scorecard.
Pentest Rules of Engagement Template
Free penetration testing rules of engagement template.
Risk Acceptance Form Template
Free risk acceptance form template.
Vulnerability Remediation Worksheet
Free vulnerability remediation worksheet template.
Security Exception Register Template
Free security exception register template.
Audit Evidence Tracker Template
Free audit evidence tracker template.
Vulnerability Management Program Scorecard
Free vulnerability management program scorecard.
Cybersecurity Risk Register Template
Free cybersecurity risk register template.
Vulnerability Management Platform RFP Template
Free vulnerability management platform RFP template.
Vulnerability Remediation SLA Policy Template
Free vulnerability remediation SLA policy template.
Vulnerability Management RACI Matrix Template
Free vulnerability management RACI matrix template.
Audit Evidence Retention Policy Template
Free audit evidence retention policy template.
Incident Response Tabletop Exercise Template
Free incident response tabletop exercise template.
Vulnerability Disclosure Policy Template
Free vulnerability disclosure policy template.
Threat Model Template
Free STRIDE threat model template.
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