Why Use a Password Generator Instead of Making One Yourself?
Humans are terrible at creating truly random passwords. We unconsciously choose patterns — keyboard walks, repeated characters, familiar words with numbers appended, personal dates. These patterns are exactly what password-cracking algorithms exploit first. A proper password generator uses cryptographically secure randomness to produce passwords with no patterns whatsoever.
- No predictable patterns that cracking dictionaries exploit
- True randomness from your device's cryptographic random number generator
- Guaranteed to include required character types (uppercase, symbols, numbers)
- Generates instantly — no creative effort needed for every new account
Critical: Never reuse passwords across accounts. A password leaked from one site gives attackers access to every other account using the same password. Use a unique generated password for every account, and store them in a password manager (Bitwarden, 1Password, KeePass).
What Makes a Password Truly Strong?
| Factor | Weak | Strong |
|---|---|---|
| Length | 8 characters | 16+ characters |
| Characters | Only lowercase | Upper + lower + numbers + symbols |
| Patterns | p@ssw0rd, hello123 | Wq#7mLpT!nX2vB$k |
| Uniqueness | Same on multiple sites | Unique per account |
How to Generate a Password
Set Password Length
Choose length from 8 to 64 characters. 16+ characters is recommended for most accounts. 20+ for financial and critical accounts.
Select Character Types
Toggle which character sets to include: uppercase A-Z, lowercase a-z, numbers 0-9, and symbols (!@#$%^&*). All enabled gives maximum strength.
Exclude Ambiguous Characters
Optionally exclude characters that look similar: O/0, l/1/I. Useful if you need to read the password aloud or enter it manually.
Copy & Save in Password Manager
Copy the generated password and immediately add it to your password manager. Never save it in a browser's auto-fill without a master password protecting the password manager.
Password Length vs Character Set — Which Matters More?
Length beats character variety in brute-force resistance. A 20-character lowercase-only password has more possible combinations than a 10-character password using all character types. However, the combination of both (long AND full character set) is exponentially stronger than either alone. Our recommendation: 16+ characters using all character types.
Passphrases — A Memorable Alternative
Our passphrase generator creates passwords from 4–6 random words: correct-horse-battery-staple-lamp. Passphrases are long (high entropy), easier to remember than random characters, and perfectly secure when the words are truly random. Switch to Passphrase mode for account recovery codes, encryption keys, and any password you need to type manually.
Generate Strong Password Free
Cryptographically random. Custom length and character sets. Never saved anywhere.
Generate Password NowPassword Strength Meter
Our strength meter calculates entropy (bits of randomness) — a mathematical measure of password strength that ignores patterns and focuses on pure information content. A password with 80+ bits of entropy is considered secure against current computing capabilities. 100+ bits is excellent. The meter shows your score in real time as you adjust length and character settings.
ToolMatrix Password Generator
Cryptographically secure randomness using the Web Crypto API. Configurable length (8–64 chars), all four character type toggles, ambiguous character exclusion, passphrase mode. Entropy-based strength meter. Browser-based — passwords are never sent to any server. Free, no account needed, generate unlimited passwords.