Verificador de Força de Senha
Avalie a segurança das suas senhas com nosso Analisador Avançado de Força de Senha. Verifique complexidade, entropia e vulnerabilidades potenciais para garantir que suas contas online permaneçam seguras.
Discover the strength of your password with this client-side-only password strength analyser and crack time estimation tool.
Duration to crack this password with brute force
Instantly
Password length:
0
Entropy:
0
Character set size:
0
Score:
0 / 100
Como Usar Este Verificador de Força de Senha
- Type or paste your password into the input field.
- View the strength score and estimated crack time displayed instantly.
- Review the detailed feedback and suggestions for improvement.
- Adjust your password based on the recommendations until you reach a strong rating.
What is Password Strength?
Password strength measures how resistant a password is to being guessed or cracked through brute force, dictionary attacks, or other techniques. A strong password typically combines length, complexity, and unpredictability. This tool analyzes your password and estimates the time it would take an attacker to crack it, helping you make informed decisions about your account security.
Features
- Real-time strength scoring from 0 (very weak) to 4 (very strong)
- Estimated crack time using brute force calculations
- Detection of common patterns, dictionary words, and sequences
- Actionable suggestions to improve password strength
- Fully client-side analysis — your password never leaves your browser
Use Cases
- Evaluating passwords before using them for important accounts
- Educating users about what makes a password secure
- Testing password policies for applications you develop
- Comparing the relative strength of different password strategies
Perguntas Frequentes
Is it safe to type my password into this tool?
Yes. The analysis runs entirely in your browser using JavaScript. Your password is never sent to any server or stored anywhere.
What score should I aim for?
Aim for a score of 4 (very strong). Passwords scoring 3 or above are generally acceptable, but for critical accounts like banking or email, always target the highest score.
Does a high score guarantee my password is secure?
No single tool can guarantee security. A high score means the password resists common attack patterns, but you should also use unique passwords per account and enable two-factor authentication.