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Password Generator

Create secure random passwords using the browser's crypto API. Choose length (4-64), include uppercase, lowercase, numbers and symbols, exclude ambiguous characters, and see a live entropy-based strength meter. Regenerate or copy instantly.

Examples

Input · Each generation produces a new random value.

Length 16, all sets on

Output

A new random 16-character password

How to use Password Generator

Choose a length

Drag the length slider between 4 and 64 characters.

Select character sets

Toggle uppercase, lowercase, numbers and symbols, and optionally exclude ambiguous characters.

Copy your password

Review the entropy-based strength meter, then copy or regenerate.

Why use this tool

Cryptographically secure (crypto API)

Entropy-based strength meter

Exclude ambiguous characters

One-click copy and regenerate

Frequently asked questions

Is the randomness secure?

Yes, it uses crypto.getRandomValues with rejection sampling for unbiased results.

What does the strength meter measure?

It estimates entropy in bits from the password length and character pool size.

Discussion

Share feedback or ask a question about this tool.

Comments are stored to a moderated queue via the API.