Secure Password & Passphrase Generator

Create ultra-strong, cryptographically secure passwords and passphrases with custom length, symbols, and entropy ratings.

100% Client-Side — your text never leaves this browser. Works offline. How it works

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Your text
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Top keywords

Type or paste text to see keyword frequency
About this tool

About the Password Generator

Generate secure, high-entropy passwords and passphrases locally in your browser using cryptographically secure random values (crypto.getRandomValues).

CSPRNG Randomness

Powered by crypto.getRandomValues() for military-grade randomness and entropy.

Custom Character Sets

Toggle uppercase (A-Z), lowercase (a-z), digits (0-9), and special symbols (!@#$).

Exclude Ambiguous Characters

Optionally avoid visually confusing characters like 0, O, 1, l, and I.

Password Strength & Entropy

Displays real-time bits of entropy and security rating from weak to ultra-strong.

FAQ

Common questions

How does SnipFerry generate passwords securely?

We use the browser's native Cryptographically Secure Pseudorandom Number Generator (CSPRNG, crypto.getRandomValues), ensuring non-predictable entropy.

Are generated passwords saved on SnipFerry servers?

Never. Passwords exist only in your browser memory until you copy them or navigate away.

What is a recommended password length?

Security experts recommend a minimum of 16 characters with a combination of uppercase, lowercase, numbers, and symbols for primary accounts.

Can I generate multiple passwords at once?

Yes! Select bulk count to generate up to 20 unique strong passwords simultaneously.