Password Generator:
Strong passwords.
Infinite possibilities.
Use this free password generator online to create hack-proof strong random passwords for every account — random, memorable, PIN, and platform-specific generators — instantly and without ever leaving your browser.
Photo: Towfiqu barbhuiya on Pexels · Smartphone wrapped in a chain with a combination padlock
Random mode supports 4–128 characters.
Shortcuts: R regenerate · C copy. Generated with crypto.getRandomValues() — never Math.random().
Platform-specific tools
A generator for every account you own
Each tool comes with platform-aware defaults, practical security tips and answers to the questions people actually search.
The threat is automated
They don’t break in.
They just log in.
Credential-stuffing bots try millions of stolen passwords per hour. The only way yours never shows up in their list is if it was never used anywhere else — and never guessed.
Generate an uncrackable one →Photo: Sora Shimazaki on Pexels
Why it matters
Weak passwords are the #1 cause of breaches
Around 81% of data breaches involve weak or reused passwords. Attackers don’t “hack” most accounts — they just try the millions of passwords leaked from other sites. The only defense is a unique, random password per account.
Popular digit sizes
10ⁿ combinations, zero patterns — pick your length
- 4digits104 combos
- 6digits106 combos
- 8digits108 combos
- 10digits1010 combos
- 12digits1012 combos
- 14digits1014 combos
- 16digits1016 combos
- 18digits1018 combos
- 20digits1020 combos
NIST says: 6+ digits for locks, 12+ for master keys
PIN tool →Most-used generators
The tools people open every day — straight to them
The complete guide
Password generator — the free, secure way to create strong passwords
What is a password generator?
A password generator is a tool that creates random, hard-to-guess passwords on demand. Instead of inventing one yourself — and landing on something a cracking dictionary already knows — a password generator combines uppercase and lowercase letters, numbers and symbols into a string with no pattern whatsoever. Infinite Password Generator is a free password generator online that runs entirely in your browser: every password is produced locally with the Web Crypto API (crypto.getRandomValues), the same cryptographic engine browsers use for TLS keys. Nothing you generate is ever sent to a server, logged, stored or analyzed — which is exactly what a free password generator should be.
Why not just invent your own password?
Humans are terrible at randomness. Birth years, pet names, keyboard walks, leetspeak substitutions — attackers test all of these first, in seconds, at massive scale. Around 81% of breaches involve weak or reused passwords, and the credential in the breach is almost always a human-invented one. A strong random password generator removes the human from the loop entirely. Every password this tool creates is drawn uniformly from the full character space, so guessing attacks perform no better than pure chance — no dictionary, wordlist or pattern helps the attacker, no matter how powerful their hardware.
How to use this password generator
Using this free password generator takes five seconds:
- Pick a length — anywhere from 8 to 64 characters.
- Choose character classes: uppercase, lowercase, numbers and symbols.
- Optionally exclude ambiguous characters like
l,1,Oand0for passwords you must read aloud or type by hand. - Click generate, copy the password, and save it in a password manager.
Prefer words over symbols? Our password generator with words builds memorable passphrases from random dictionary words — the classic correct-horse-battery-staple approach — with the same cryptographic randomness and zero storage.
Which password length should you choose?
Length is the single biggest lever against brute force. Every extra character multiplies the search space, so the right answer is almost always “as long as the site accepts.” That said, here is what the numbers look like with full character sets:
- 8 character password generator — about 52 bits of entropy. Accepted everywhere, but only a starting point for low-risk accounts; pair it with 2FA.
- Password generator 12 characters — roughly 79 bits. The modern minimum for email, shopping and social accounts; survives centuries of offline brute force.
- Password generator 14 characters — about 92 bits. Comfortable for work, banking and everything you actually care about.
- Password generator 15 characters — around 99 bits. A strong, sane default when a site allows it.
- Password generator 16 characters — over 100 bits. The gold standard; brute-forcing it outlasts the age of the universe at a trillion guesses per second.
- Password generator 20 characters — roughly 132 bits. For master passwords, recovery keys and high-value targets.
What makes a password “strong”?
A very strong password generator maximizes three things: length, randomness and character diversity. This password generator lets you dial all three. A 16-character random password mixing upper and lowercase letters, digits and symbols carries more than 100 bits of entropy — that is what our strong password generator produces by default. If you need maximum strength with minimal effort, that preset is the answer: one click, copy, done. For the truly paranoid, the secure password generator explains the architecture that keeps everything on your device, and our password strength checker estimates entropy and crack time for any password you already use.
Free password generator — really free, really private
Plenty of “free password generator” tools are free the way a casino is free. This one is not monetized at all: no ads covering the tool, no premium tier, no signup wall, no telemetry on what you generate, and no server ever receiving your password. It works offline once the page loads. That is what people searching for a best free password generator or free password generator strong actually want — and it is the only honest way to build the tool. Use the random password generator for everyday accounts, the bulk generator when you need fifty at once, the PIN generator for keypads, and dedicated tools for Gmail, Instagram, Discord and more — or browse all generators.
Password generator words vs. random characters
Password generators fall into two camps. Character-based generators (like our random password generator) produce compact, high-entropy strings — perfect when a password manager fills them in. Word-based generators (like the memorable password generator) produce longer but typeable passphrases — ideal for master passwords and computer logins. A six-word passphrase from a 7,776-word list carries ~77 bits of entropy, the same as a 12-character keyboard password, while remaining human-friendly. Pick the style that matches how you will use the password; both run on the same uncompromising randomness here.
Password generator vs. passkeys — which should you use?
Passkeys are the passwordless future: cryptographic keys stored on your devices, resistant to phishing by design. The catch is adoption — not every site supports them yet, and your account recovery flows still lean on passwords. Until passkeys cover the sites you use, the practical answer is both: passkeys where available (Google, Apple, GitHub, Amazon), and a unique, random generated password everywhere else. A password manager unifies the two, and this password generator fills the gap passkeys cannot. If a site forces a password today, it deserves a long, random one — never your reused or human-invented fallback.
Common mistakes to avoid
Even with a great password generator, a few habits quietly undo the work. Reusing one “strong” password everywhere means a single breach exposes every account — uniqueness matters as much as entropy. Storing passwords in notes apps, text files or spreadsheets relocates the risk instead of removing it; a password manager is the only sane vault. Sharing passwords over chat or email — even “just this once” — puts them in someone else’s cloud and logs. And truncating generated passwords to “just the first 12 characters” because a site enforces a shorter limit silently throws away entropy you paid for. Generate at the maximum length each site accepts, store everything in a manager, and let two-factor authentication backstop the rest.
How to audit your existing passwords
Open your password manager’s reuse report and sort by “used most.” Every password appearing more than once is a breach waiting to happen — replace each with a fresh generated one, starting with email, banking and anything tied to payment cards. Then run the remaining criticals through our password strength checker: if anything scores below “Strong,” rotate it too. Set a calendar reminder every six months for a sweep, and after every public breach discussion in the news. The audit takes one evening; the alternative is the lockout email nobody wants at 2 AM.
The bottom line
If you do one thing for your security this year, make it unique, random passwords from a strong random password generator you trust — this one. It is free, it is private by architecture, and it takes less time than typing your birthday password one more time. Generate yours above, store it in a password manager, enable two-factor authentication everywhere it is offered, and never reuse a password again.