Free tools
Free post-quantum cryptography tools
Quick, no-signup tools to check where quantum-vulnerable cryptography is used. Each one feeds into a full PQC readiness report.
Post-Quantum Domain Scanner
Scan any public domain's TLS and certificate for quantum-vulnerable cryptography.
Certificate Quantum Risk Checker
Analyze a domain's certificate chain: public key, signature, issuer, and expiry.
JWT Quantum Risk Checker
Paste a JWT to check its signing algorithm. Header-only, runs in your browser.
RSA / ECDSA Risk Reference
Look up the quantum risk of common public-key and signature algorithms.
PQC Readiness Score Explained
How the 0–100 PostQ readiness score is calculated and what it means.
Cryptographic Inventory Template
A free CSV template to start your own cryptographic inventory.