Generate strong, random, secure passwords instantly. Customize length, symbols, numbers and more. Runs entirely in your browser — nothing is stored or sent to any server.
Customize your settings below, then click Generate to create a secure password instantly
Understanding password strength helps you protect your accounts, data, and identity online.
The single most important factor in password strength is length. Every additional character exponentially increases the number of possible combinations. Security experts recommend a minimum of 12 characters, with 16–20 characters for sensitive accounts like banking or email.
A password using uppercase letters, lowercase letters, numbers, and special symbols has a vastly larger character pool than one using only letters. A 12-character password using all four types has over 475 trillion possible combinations versus just 26 trillion with letters alone.
Hackers use dictionary attacks that test millions of common words, names, and patterns like "Password1!" or "Summer2024". Truly random passwords generated by a secure tool like this one are far harder to crack than human-chosen passwords, even when humans try to be creative.
If you reuse the same password and one account is breached, attackers use credential stuffing to try your password on hundreds of other sites automatically. Use a unique password for every account, especially email, banking, and social media.
Since strong passwords are impossible to memorise, use a trusted password manager. Tools like Bitwarden (free and open-source), 1Password, or Dashlane store all your passwords encrypted and auto-fill them securely. You only need to remember one strong master password.
Even if your password is compromised, two-factor authentication (2FA) adds a second layer of protection. Enable 2FA on your email, social media, banking, and any platform that supports it. Authenticator apps like Google Authenticator or Authy are more secure than SMS codes.
This table shows how password length and character types affect how long it would take a modern computer to crack your password.
| Length | Characters Used | Combinations | Estimated Crack Time | Strength |
|---|---|---|---|---|
| 6 | Lowercase only | ~309 million | Instantly | Very Weak |
| 8 | Letters only | ~200 billion | ~20 seconds | Weak |
| 8 | Letters + Numbers | ~218 trillion | ~6 hours | Fair |
| 12 | Letters + Numbers | ~3.2 quadrillion | ~370 days | Good |
| 16 | All character types | ~6.6 × 10²⁹ | Billions of years | ✓ Strong |
| 20+ | All character types | Astronomical | Effectively uncrackable | ✓ Very Strong |
Generate a strong, secure password in seconds with these simple steps.
Use the slider to choose a password length between 6 and 64 characters. 16+ is recommended for most accounts.
Toggle uppercase, lowercase, numbers, and symbols on or off. More types enabled means a stronger, harder-to-crack password.
Hit the Generate button to instantly create a random password. Click Generate again to get a completely new one at any time.
Click the Copy button to copy the password to your clipboard. Save it immediately in a password manager — never in a plain text file.
Answers to the most common questions people search about creating and managing strong passwords.
A strong password is at least 12 characters long and contains a mix of uppercase letters, lowercase letters, numbers, and special symbols such as !, @, #, $, and %. It should not include dictionary words, your name, birthday, or any predictable sequence like "123456" or "password". The longer and more random, the stronger it is.
Yes, completely. This password generator runs entirely in your browser using JavaScript. No passwords are transmitted to any server, stored in a database, or logged in any way. The moment you close or refresh the page, the passwords are gone forever. Your generated passwords are 100% private and visible only to you.
Security experts recommend at least 12–16 characters for standard accounts and 20 or more characters for highly sensitive accounts such as email, banking, and cloud storage. Our generator defaults to 16 characters as a solid starting point. A 16-character random password using all character types would take billions of years to crack with modern hardware.
Yes, strongly recommended. Since strong passwords are impossible to memorise, a password manager is essential. Bitwarden is a free, open-source option trusted by security professionals. 1Password and Dashlane are excellent paid alternatives. Password managers store your credentials in encrypted vaults and auto-fill them securely — you only need to remember one strong master password.
Most modern websites accept special characters like @, #, $, !, %, ^, &, and *. However, some older systems or government portals may restrict certain symbols. If a generated password is rejected on a specific website, try disabling the symbols option in the generator and creating a new password without special characters — it will still be strong if it's long enough.
Modern security guidance from NIST (National Institute of Standards and Technology) advises against forced regular password rotation unless there is evidence of compromise. However, you should immediately change your password if a service reports a data breach, if you suspect unauthorized access, or if you accidentally shared your password. Using a strong, unique password per account means a breach on one site does not affect others.
Two-factor authentication (2FA) requires a second form of verification — usually a time-sensitive code from an app — in addition to your password. Even if an attacker steals your password, they cannot log in without your second factor. Yes, you should absolutely enable 2FA on all accounts that support it, especially email, banking, social media, and cloud storage. Authenticator apps like Google Authenticator, Authy, or Microsoft Authenticator are more secure than SMS-based 2FA.
People who used this password generator also searched for these related security topics.
Visit HaveIBeenPwned.com to check if your email address or passwords have appeared in a known data breach. If they have, change those passwords immediately and enable 2FA on the affected accounts. This free service checks against billions of leaked credentials.
A passphrase — like PurpleDog!RunsFast99 — combines random words with numbers and symbols. It can be easier to type than a fully random string while still being very strong if it is long enough. Our generator creates fully random passwords which are mathematically stronger for the same length.
Your Wi-Fi password should be at least 20 characters using all character types. Avoid using your name, address, or router brand as the network name (SSID). Use WPA3 encryption if your router supports it, and change the default admin password on your router immediately after setup.
