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QZTools

Strong password generator

Create unguessable passwords for your accounts, your Wi-Fi or your password manager.

Everything runs in your browser. Nothing you type or paste is sent to a server.

How to use the strong password generator

  1. 1

    Pick the length (16 or more is recommended).

  2. 2

    Choose which character types to include.

  3. 3

    Copy the password you like or generate new ones.

About this tool

We use your browser's cryptographic random generator, the same one used for encryption, and guarantee at least one character of each chosen type.

The strength meter estimates entropy: the more bits, the harder it is to brute-force. A 16-character password with every type is over 100 bits.

Frequently asked questions

Is it safe to generate passwords here?

Yes. They're generated on your device and never sent to a server or stored.

How long should a password be?

At least 12 characters; 16 or more for important accounts. Keep them in a password manager.