Generador de contraseñas
Crear una contraseña segura
Funciona en tu navegador · Sin subidas
La herramienta y las instrucciones de esta página están en inglés por ahora. Funciona igual: todo se ejecuta en tu navegador.
Made with your browser's cryptographic random number generator. Passwords are created on your device, never sent anywhere and not stored: copy one before you leave the page.
Tu navegador es demasiado antiguo para esta herramienta. Actualízalo o usa una versión reciente de Chrome, Edge, Firefox o Safari.
- Nada sale de tu dispositivo
- Sin límites de tamaño impuestos por un servidor
- Sin registro, sin marca de agua
- Gratis
How to make a strong password
- A new password appears at once.
- Choose the length and which characters to use.
- Copy it, and save it in your password manager.
How strong?
- The strength is shown in bits of randomness: 60 bits is good for most accounts, 80 or more is very strong.
- Length matters most: 16 characters or more is a good habit.
- "Avoid look-alikes" leaves out I, l, 1, O and 0, for passwords you have to type or read out.
Made on your device
Passwords come from your browser's cryptographic random number generator (the same one used for encryption), with every character chosen evenly. They are not stored, not logged and never sent anywhere.
Preguntas frecuentes
Are the passwords saved?
No. They exist only in this page. Copy the one you want before you leave.
Should I reuse a strong password?
No. Use a different password for every account, and a password manager to remember them.