Secure Password Generator Guide
Strong credentials are the first line of defense in cybersecurity. Weak passwords (like short words or common patterns) are easily guessed by automated dictionary and brute-force attacks. Our Password Generator uses cryptographically secure random number generators (CSPRNG) to build unpredictable passwords. It lets you customize length, select specific character pools, and analyze the resulting credential's entropy and strength.
⚙️ Key Features
- Generates random passwords or readable passphrase combinations.
- Configurable lengths up to 128 characters with explicit character set selections.
- Live password strength estimator displaying entropy bits and guessed cracking times.
- One-click secure copy with visual clipboard confirmations.
📖 How to Use
- Choose whether you want a random string password or a readable passphrase.
- Set the length slider (we recommend at least 16 characters for critical accounts).
- Toggle character sets: uppercase, lowercase, numbers, and special symbols.
- Copy the generated password and paste it directly into your credential manager.
Passwords are generated locally using the browser's cryptographically secure random values API. No passwords are ever stored, transmitted, or logged.
Frequently Asked Questions (FAQ)
What constitutes a 'strong' password?
A strong password is long (16+ characters), contains a mix of character types, and is completely random. Avoid personal details, dictionary words, or repeating sequences.
What is password entropy?
Entropy measures the randomness of a password in bits. Higher entropy makes the password harder to guess. Passwords with over 80 bits of entropy are considered highly secure.
Why should I use a passphrase instead of a random string?
Passphrases (words joined together) are easier for humans to remember while remaining highly secure because of their length. For example, 'correct-horse-battery-staple' is easier to type but offers high entropy.