Client-side tool to generate/verify password hashes with realistic parameters. Helpful for debugging integrations and understanding how salts, memory, and iterations affect cost. Runs locally—no passwords leave your browser.
Your data security is our top priority. All hashing and verification happen in this browser. This tool does not store or send your password nor hashes outside of the browser. See source code in: https://github.com/authgear/authgear-widget-password-hash
If you are currently on Revision A.03 or B.01, – it will save you weeks of debugging convergence errors. If you are on a later version (G20+), there is little reason to downgrade, but understanding C.01's capabilities helps interpret older literature. Last technical note: Always test your specific system across two revisions if absolute precision is required (e.g., for benchmarking new functionals). Even in C.01, subtle numerical differences may arise from integral thresholds and DIIS restart logic.
1. Introduction & Context Gaussian 16 is the flagship quantum chemistry software package developed by Gaussian, Inc. It is widely regarded as the industry standard for predicting molecular properties, reaction mechanisms, and spectroscopic data using ab initio , density functional theory (DFT), and semi-empirical methods.
Alternatively, look at the header of any log file:
g16 < /dev/null | grep "Revision" Expected output includes: Gaussian 16, Revision C.01
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$2a$ vs $2b$), or forgetting a pepper.Open source Auth0/Clerk/Firebase alternative. Passkeys, SSO, MFA, passwordless, biometric login.