IT Security Calculators
Free, client-side tools for security professionals. No data is stored or sent anywhere.
OWASP Risk Rating
Estimate risk severity using the OWASP Risk Rating Methodology — likelihood × impact scoring.
Risk Assessment
CVSS v4.0
Score vulnerability severity with the Common Vulnerability Scoring System version 4.0 — Base, Threat, Environmental & Supplemental metrics.
Vulnerability ScoringEPSS Lookup
Look up the Exploit Prediction Scoring System probability score for one or more CVEs — fetched live from the FIRST EPSS API.
Exploit PredictionEnjoying these tools?
These calculators are free and always will be. If you'd like to support the server & domain upkeep, you can drop some on my ko-fi (bottom left corner).