Free Tools & Calculators

Hashing, ciphers, certificates, and other free utilities for security professionals.

Encoders, formatters, converters, and reference utilities for developers.

Calculators and planners for projects, capacity, and timing.

Coin flips, dice, spinner wheels, random generators, and live probability simulators — plus statistics calculators, all running in your browser.

Subnetting, DNS, latency, and other networking calculators and lookups.

Interactive selectors that narrow a vendor shortlist by the requirements that actually differ between products.

Frameworks, mappings, and checklists for compliance and audit work.

Convert, compress, and generate images, QR codes, and more — entirely in your browser, nothing uploaded.

Score your security maturity, risk, and readiness with interactive, self-guided assessments.