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Strong Password Generator

100% Client-Side

Generate cryptographically strong random passwords and passphrases using hardware-backed Web Crypto API with custom character sets and entropy scoring.

Password Length: 18

Uppercase (A-Z) Lowercase (a-z) Numbers (0-9) Symbols (!@#$%^&*) Avoid Ambiguous (l, 1, I, O, 0)

Generated Password ~108 bits entropy

How to Use Strong Password Generator

Choose Length

Select desired character length (e.g. 16 to 32 characters).

Set Rules

Toggle Uppercase, Lowercase, Digits, Symbols, and Ambiguous character exclusion.

Generate & Copy

Copy secure password with instant entropy rating.

Key Features & Privacy

✓ Cryptographically Secure

Uses window.crypto.getRandomValues for true non-predictable hardware randomness.

✓ Entropy & Strength Meter

Calculates exact bits of cryptographic entropy.

✓ Batch Password List

Generate multiple passwords at once for multi-account provisioning.

🔒 Complete Client-Side Isolation

This tool runs entirely in your local browser runtime. No logs, analytics tracking, or remote server transmissions occur.

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