Generated Password Very Strong (96 bits)

Generating...

Brute-force crack time: 14 Trillion Years 16 chars

Security Presets:

Password Length:

characters

Uppercase Letters A B C D E F G ...

Lowercase Letters a b c d e f g ...

Numbers 0 1 2 3 4 5 6 7 8 9

Symbols ! @ # $ % ^ & * _ - +

Exclude Ambiguous Characters Avoid lookalikes like l, 1, I, O, 0 for clear legibility

🛡️ 100% Client-Side • Instant & Auto-Saved Locally

Secure Password Generator

⚡ Quick Tools

Cryptographically secure random password generator (CSPRNG) with custom character rules, entropy meter, and crack time estimates.

⭐ 4.9/5 (168 votes)

⚡

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Frequently Asked Questions

Quick answers about controls, features, accuracy, and local browser saving.

How is this password generator cryptographically secure?

Unlike standard Math.random(), this generator uses window.crypto.getRandomValues(), a Cryptographically Secure Pseudo-Random Number Generator (CSPRNG) backed by operating system entropy.

Are generated passwords saved or sent anywhere?

No, never. The generation occurs 100% inside your browser's local JavaScript runtime. Nothing is logged, cached on a server, or transmitted over any network.

What is Password Entropy?

Entropy measures a password's unpredictable randomness in bits. A password with 75+ bits of entropy is considered virtually impossible to crack using modern GPU brute-force clusters.

What does "Exclude Ambiguous Characters" do?

It removes confusing lookalike characters such as capital "I", lowercase "l", the number "1", the letter "O", and the number "0" so passwords are easy to read and type manually without errors.

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