Password Generator
Military-grade password creation with real-time strength analysis, AES-256 vault, and bulk export — powered entirely by your browser.
Features
Cryptographically Secure
Every password is generated using crypto.getRandomValues() — the same CSPRNG used by banks and governments. No Math.random(). No predictable patterns. Ever.
Multiple Generation Modes
Switch between Standard Passwords, Diceware Passphrases, PIN Codes, and API Tokens/UUIDs — all from one seamless interface.
Real-Time Strength Analysis
Powered by the industry-standard zxcvbn engine, get accurate entropy scores, estimated offline crack times, and NIST-grade security ratings instantly.
Zero-Knowledge Secure Vault
Your password history is AES-256 encrypted in your browser using a Master Password before ever leaving your device. We never see your data.
Bulk Generation & Export
Generate up to 500 secure passwords in one click and export as TXT, CSV, or JSON — perfect for developers and testing teams.
Diceware Passphrases
Generates memorable, human-readable passphrases like correct-horse-battery-staple using the official EFF 7776-word dictionary that are statistically uncrackable.
Frequently Asked Questions
How secure is this password generator?
Extremely secure. We use window.crypto.getRandomValues() — a cryptographically secure pseudo-random number generator (CSPRNG) built into every modern browser. This is the same standard used in SSL/TLS certificates. Unlike tools using Math.random(), our generator produces true statistical randomness that cannot be predicted or reversed.
Are my generated passwords stored on your servers?
No plain-text passwords ever leave your device. All generation runs entirely in your browser. The optional Vault uses client-side AES-256 encryption with your Master Password before transmission — our servers only store encrypted blobs we cannot read or decrypt.
What makes a password "Enterprise Grade"?
The zxcvbn strength algorithm (developed by Dropbox) rates a password as Enterprise Grade when it has 80+ bits of entropy and would take billions of years to crack offline. This typically means 20+ characters mixing uppercase, lowercase, numbers, and symbols.
What is a Diceware Passphrase and why should I use one?
A Diceware Passphrase is a sequence of random dictionary words (e.g., correct-horse-battery-staple). They are easier to remember than random characters yet mathematically hard to crack. A 4-word EFF passphrase has ~51 bits of entropy. Six or more words is considered uncrackable with any foreseeable technology.
Can I use the Bulk Generator for development and testing?
Absolutely! Generate up to 500 unique passwords in seconds and export as .txt, .csv (with headers), or structured .json. Ideal for seeding test databases, generating sample credentials, or provisioning user accounts in CI/CD pipelines.
What's the difference between UUID v4 and a Hex API Token?
A UUID v4 (e.g., 550e8400-e29b-41d4-a716-446655440000) is a standardized 128-bit identifier — ideal for database keys and REST API identifiers. A Hex Token (256 or 512-bit) provides higher entropy in a raw hex format — better for API secrets, session tokens, and HMAC signing keys.