Online Password Generator, Secure & Free
Weak passwords are the number one cause of security breaches. "password123," your dog's name, your birthday, attackers crack these in seconds. The solution is simple: use long, random passwords that are impossible to guess. The problem? Humans are terrible at creating truly random strings. That's what password generators are for.
Why You Need a Password Generator
Here's the uncomfortable truth about password security:
- A 6-character password can be cracked in under a second by modern hardware.
- An 8-character password with mixed characters takes about 8 hours to crack.
- A 12-character random password takes centuries to crack.
- A 16-character random password is effectively uncrackable with current technology.
The key word is "random." Humans think they're being random when they choose passwords, but we follow predictable patterns, capitalizing the first letter, adding a number at the end, substituting @ for a. Attackers know these patterns and exploit them. A truly random password generator eliminates human bias entirely.
How to Generate a Strong Password
- Open the password generator tool.
- Set your preferences, length, uppercase, lowercase, numbers, symbols.
- Click generate and copy your new password.
The password is generated using your browser's crypto.getRandomValues() API, a cryptographically secure random number generator. Your password is created on your device and never transmitted anywhere.
Generate a secure password now, free, private, cryptographically random.
Generate Password →What Makes a Password Strong?
- Length, This is the single most important factor. Every additional character exponentially increases the number of possible combinations. Aim for 16+ characters.
- Randomness, No dictionary words, no patterns, no personal information. True randomness from a cryptographic source.
- Character variety, Use uppercase, lowercase, numbers, and symbols. This increases the character set from 26 (lowercase only) to 95+ possibilities per position.
- Uniqueness, Every account should have its own password. Reusing passwords means one breach compromises all your accounts.
Password Generator vs Password Manager
A password generator creates individual passwords. A password manager stores and auto-fills them. You need both:
- Password generator, Creates strong, random passwords on demand. Use our free generator when you need a new password.
- Password manager, Stores all your passwords securely. Popular options include Bitwarden (free, open-source), 1Password, and KeePass.
The workflow: generate a strong random password, save it in your password manager, and never think about it again. You only need to remember one master password, the one for your password manager.
How Long Should Your Password Be?
Our recommendations based on current security standards:
- 12 characters, Minimum for any account. Adequate for low-risk accounts.
- 16 characters, Recommended for most accounts. Excellent security.
- 20+ characters, Use for critical accounts: email, banking, password manager master password.
- 32+ characters, For API keys, encryption keys, and machine credentials.
Passphrase Alternative
If you need a password you can actually type (like a master password), consider a passphrase, a sequence of random words:
correct-horse-battery-staple-mountain
A 5-word passphrase is both strong and memorable. The key is that the words must be chosen randomly, not selected by you. Human-chosen "random" words follow predictable patterns.
Common Password Mistakes
- Reusing passwords, If one site gets breached, attackers try that password on every other site you use.
- Minor variations, Using "MyPassword1" on one site and "MyPassword2" on another provides almost no additional security.
- Personal information, Names, birthdays, addresses, and pet names are easily researched or guessed.
- Keyboard patterns, "qwerty," "123456," "zxcvbn", these are the first patterns attackers try.
- Dictionary words, Even obscure words are in attackers' dictionaries. All of them.
- Short passwords with complexity, "P@ss1!" looks complex but is only 6 characters. Length beats complexity every time.
More Security Tools
- Hash Generator, Generate MD5, SHA-256, and other hashes for verification.
- Base64 Encoder, Encode and decode Base64 data.
- JWT Decoder, Inspect authentication tokens.
- UUID Generator, Generate unique identifiers.
All tools on This 2 That run in your browser. Nothing is ever sent to a server.