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Strong Password Generator — Custom Length & Rules

Generate cryptographically strong passwords. Choose length, include or exclude symbols, numbers and uppercase letters.

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About this tool

Strong, random passwords instantly

Generate a unique password of any length with uppercase, numbers and symbols, then copy it in one tap. Built on the browser’s crypto API for genuine randomness.

What actually makes a password strong

Length beats complexity: a long random password is exponentially harder to crack than a short “P@ss1”. Aim for 16+ characters, and never reuse a password — a leak on one site becomes a breach everywhere.

Nothing is generated server-side or stored — your password exists only in your browser.

How to use the Password Generator

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Password Generator above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Password Generator.

How do I create a strong password?

Pick a length (16+ recommended) and include uppercase, numbers and symbols; copy the random password it generates.

What makes a password strong?

Length and randomness. A long, random mix of character types is far harder to crack than a short “complex” one.

Are the passwords random and private?

Yes — they’re generated in your browser with the crypto API and never sent anywhere.

How long should my password be?

At least 12–16 characters, longer for important accounts — and use a unique password per site.

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