Free Cybersecurity Tools

Select a category below to access free, browser-based cybersecurity tools built to help businesses assess and strengthen their security posture. All tools run entirely in your browser with no signup, no installation, and no data collected or transmitted.

Password & Encryption Tools

Test password strength, generate secure passwords, and create cryptographic hashes.

  • Password Strength Checker
  • Password Generator
  • Hash Generator (MD5, SHA-1, SHA-256)
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Security Assessment Tools

Evaluate your security posture with risk quizzes, maturity scoring, and vulnerability calculators.

  • Cybersecurity Risk Self-Assessment Quiz
  • IT Security Maturity Scorecard
  • CVSS v3.1 Base Score Calculator
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Compliance Tools

Track compliance readiness and compare major regulatory frameworks side by side.

  • Compliance Readiness Checklist (SOC 2, HIPAA, PCI-DSS)
  • Compliance Framework Comparison
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Threat Analysis Tools

Identify phishing red flags and estimate the financial impact of a data breach.

  • Phishing Email Red Flag Identifier
  • Data Breach Cost Estimator
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Email Security Tools

Grade a domain's SPF, DKIM, and DMARC, or validate and generate correct email authentication records.

  • Email Security Analyzer (SPF, DKIM, DMARC)
  • SPF & DMARC Generator and Validator
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Domain & DNS Tools

Look up DNS records from two resolvers or a domain's registration data, with phishing red flags.

  • DNS Lookup with DNSSEC check
  • Domain Lookup (RDAP)
  • Flags newly registered domains
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Website Security Tools

Check how well a website protects its visitors, with clear remediation guidance.

  • HTTP Security Headers Grader
  • HSTS, CSP, X-Frame-Options, and more
  • Letter grade with fix-it steps
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Network Tools

Calculate IPv4 subnets: network and broadcast addresses, host ranges, and binary breakdown.

  • Subnet Calculator
  • CIDR prefix or netmask input
  • Runs fully in your browser
Open tools