Passwords & Auth Suite — Free & Private

Generate passwords and passphrases, analyze strength and entropy, create TOTP 2FA codes, and inspect or build JSON Web Tokens.

Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

Tools in Passwords & Auth Suite

Password Generator: Generate high-entropy random passwords with an entropy score.
Passphrase Generator: Generate memorable multi-word passphrases from a curated wordlist with configurable separators, capitalization and entropy estimate
Password Strength Analyzer: Entropy scoring and estimated offline crack time for any password, computed locally.
TOTP / 2FA Code Generator: Generate RFC 6238 time-based one-time passcodes from a Base32 secret, entirely offline.
Private JWT Inspector: Decode and inspect JSON Web Tokens privately without sending secret claims to any server.
JWT Token Builder: Build and sign custom JSON Web Tokens with HS256, HS384, or HS512 secret signatures locally.
Password Age Audit Tool: Enter password-change dates → flag stale passwords