Generate strong random passwords instantly with this free secure password generator. Choose your length, symbols, numbers, and bulk password options — all generated privately in your browser.
Customize your password settings below
Stolen, weak, and reused passwords remain one of the most common ways attackers break into accounts. Using a unique, randomly generated password for every login greatly reduces that risk. A single compromised password can lead to identity theft, financial loss, and cascading breaches across multiple accounts when passwords are reused.
Our generator uses the Web Crypto API (crypto.getRandomValues()) to create cryptographically secure passwords that are truly random and unpredictable—unlike human-created passwords which tend to follow patterns that hackers can exploit.
Cryptographically secure random generation
No server round-trips, works offline
100% client-side, nothing sent to servers
Generate as many passwords as you need
Understanding how attackers crack passwords helps you appreciate why strong, random passwords matter.
Tries every possible character combination until finding the correct password.
Defense: Use long passwords (16+ characters). Each additional character multiplies the combinations exponentially.
| Length | Lowercase Only | Full Charset |
|---|---|---|
| 6 chars | Instant | 5 minutes |
| 8 chars | 2 hours | 2 months |
| 12 chars | 200 years | 34,000 years |
| 16 chars | Millions of years | Trillions of years |
Uses lists of common words, phrases, and previously leaked passwords.
Defense: Never use dictionary words, names, or common substitutions (@ for a, 3 for e). Random passwords are immune.
Common passwords cracked instantly:
password123, qwerty, letmeinP@ssw0rd! (common substitutions)Summer2024! (seasonal patterns)John1990 (name + birth year)Uses email/password pairs leaked from other breaches to try logging into different sites.
Defense: Use a unique password for every account. If one site is breached, your other accounts remain safe.
Why it works: 65% of people reuse passwords across multiple sites.
Tricks users into revealing passwords through phishing emails, fake websites, or impersonation.
Defense: Enable 2FA, verify URLs before entering passwords, never share passwords via email/chat.
Red flags: Urgent requests, generic greetings, mismatched URLs, requests for passwords.
Both length and character variety contribute to password strength, but length has a much greater impact than complexity alone.
| Password Example | Length | Entropy (bits) | Time to Crack* |
|---|---|---|---|
pass1234 |
8 | ~26 bits | Instant (dictionary) |
P@ss1234! |
9 | ~35 bits | ~2 hours |
correcthorsebattery |
20 | ~44 bits | ~3 years |
Kj8#mP2$xL9@nQ4& |
16 | ~105 bits | Trillions of years |
aB3$kL9@mN2#pQ7&xR5* |
20 | ~131 bits | Longer than universe age |
*Estimated time using a powerful GPU cluster attempting 1 trillion guesses per second
Entropy measures password randomness in bits. Higher = stronger.
A 16-character password with all character types (uppercase, lowercase, numbers, symbols) provides excellent security for most purposes. For critical accounts (banking, primary email), consider 20+ characters.
Even the strongest password can be compromised through phishing or data breaches. Two-factor authentication adds a second layer of security that requires something you have (phone, security key) in addition to something you know (password).
Google Authenticator, Authy, Microsoft Authenticator
RecommendedYubiKey, Google Titan, Feitian
Most SecureText message codes
Better than nothingOne-time codes via email
BasicA password manager stores all your unique, complex passwords in an encrypted vault. You only need to remember one strong master password.
| Manager | Type | Price |
|---|---|---|
| Bitwarden | Open Source | Free / $10/yr |
| 1Password | Commercial | $36/yr |
| Dashlane | Commercial | Free / $60/yr |
| KeePassXC | Open Source | Free (local) |
| Apple Keychain | Built-in | Free (Apple) |
If you discover your password was exposed in a data breach, act quickly to minimize damage.
Passkeys are the next evolution in authentication, using public-key cryptography to eliminate passwords entirely.
crypto.getRandomValues) which provides cryptographically secure random numbers. All passwords are generated entirely in your browser—nothing is ever sent to our servers. Your passwords are 100% private. You can even use this tool offline once the page loads.