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Check Password Strength Before Signing Up

Test whether a password is strong enough before creating a new account on any website or app.

No cal iniciar sessió

Your password is never sent to any server.

Account Security tips

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A good password for a new account should be at least 12 characters and score "Strong" here. This means an estimated crack time in the billions of years.

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Use a passphrase — 4 random words like "coffee-river-lamp-moon" — it's easy to remember, has high entropy, and passes all strength checks.

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Avoid using personal info: names, birthdays, favourite teams. These are guessable through social engineering even if the password looks complex.

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Use a unique password for every account. A password manager generates and stores strong passwords for you so you only remember one master password.

Com funciona

1
Introdueix
Enter your data into the tool above. Everything stays local to your browser.
2
Processa
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descarrega
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Per què usar la nostra?

Completament gratuït — sense costos ocults, mai
No cal compte, correu electrònic ni inici de sessió
Els fitxers no surten mai del teu dispositiu
Sense cap límit de mida de fitxer
Sense marques d'aigua en cap sortida

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