Password entropy, risk assessment, and threat tools. Browse our free security tools below — all calculators are instant, accurate, and require no sign-up.
Brute Force Time Calculator — Calculate brute-force attack time for any keyspace. Compare online, offline, and GPU attack speeds to assess password and key security.
Attack Surface Area Calculator — Calculate your application attack surface from endpoints, weighting by exposure type. Public (3x), authenticated (2x), internal (1x) scoring.
Bug Bounty ROI Calculator — Calculate bug bounty program ROI from bounty payouts, management costs, and estimated breach prevention value. Justify your bounty budget.
Certificate Expiry Countdown Calculator — Calculate days remaining until SSL/TLS certificate expiration. Get urgency status and renewal reminders based on your cert dates.
Certificate Renewal Cost Calculator — Estimate annual SSL/TLS certificate costs including cert price, domain count, and IT management hours. Plan your certificate budget.
Code Vulnerability Density Calculator — Calculate vulnerability density as defects per 1,000 lines of code. Classify severity by industry thresholds and track code quality.
DAST Scan Time Estimator — Estimate dynamic application security testing scan duration from page count, average test time per page, and crawl depth factor.
CVSS Score Calculator — Calculate CVSS v3.1 Base Score from attack vector, complexity, privileges, user interaction, scope, and CIA impact metrics.
DLP Implementation Cost Calculator — Calculate data loss prevention implementation costs from license fees, deployment hours, policy tuning, and ongoing management expenses.
Data Breach Cost Estimator — Estimate total data breach cost from record count, per-record cost ($164 avg), notification, legal, and remediation expenses.
Insider Threat Cost Calculator — Estimate insider threat incident costs from investigation, data loss, remediation, legal expenses, and productivity impact factors.
JWT Lifetime Calculator — Configure JWT access and refresh token lifetimes. See timestamps for issued, expiry, and refresh schedule with recommended TTL ranges.
MFA Adoption Impact Calculator — Calculate risk reduction from MFA deployment. See how adoption rate and MFA effectiveness (99.9%) reduce account compromise probability.
Password Crack Time Calculator — Estimate how long it takes to crack a password using brute force. Compare GPU attack speeds for different password lengths and charsets.
Password Strength Checker — Score password strength from 0–4 based on length, charset diversity, dictionary patterns, and entropy. Get actionable improvement tips.
Password Entropy Calculator — Calculate password entropy in bits based on length and character set size. Evaluate password strength tiers from weak to very strong.
Phishing Risk Score Calculator — Calculate organizational phishing risk score from training coverage, click rates, MFA adoption, and exposure. Score 0-100 with risk level.
Risk Assessment Calculator — Calculate risk score from likelihood and impact ratings (1-5 scale). Visualize results in a risk matrix heatmap with severity levels.
SAST Finding Rate Calculator — Calculate static analysis finding rate and false positive rate from SAST scan results. Track true vs false positive trends over time.
Security Training ROI Calculator — Calculate ROI of security awareness training from incidents prevented, average incident cost, and total training investment per employee.
Threat Model Score Calculator — Score threats using the STRIDE model. Rate Spoofing, Tampering, Repudiation, Info Disclosure, DoS, and Elevation for aggregate risk.
Session Timeout Calculator — Calculate re-authentication frequency from session and timeout durations. Estimate annual re-auth events and productivity impact.
Token Expiry Calculator — Calculate token expiration time from issue timestamp and TTL. See remaining seconds, minutes, and hours until your auth token expires.