Free · No sign-up · 100% private

The Ultimate Password Generator

Strong, random passwords made on your device. Nothing is sent, saved or seen — not even by us. Try it in airplane mode — it still works.

Password generator

Excellent · 128 bits of randomness

Cracking it would take a super-fast attacker longer than the universe has existed.

Quick picks

Picks from 85 different characters, every one equally likely.

Made on your device · nothing is sent

  • Never leaves your device
  • Works offline
  • No sign-up
  • Free & unlimited

What is a password generator?

A password generator is a tool that invents a random, hard-to-guess password for you, using a secure random-number source instead of human habits like pet names and birthdays. A good one runs on your own device, so the password never has to travel anywhere. Boltipass does exactly that.

  • Random beats human. People are predictable; dice aren’t.
  • Length is strength. Aim for 16+ characters or 6+ words.
  • One per account. Never reuse. Save them in a password manager.
Super simple

Make a password in 3 steps

No account. No downloads. About ten seconds.

  1. 1

    Pick a type & length

    Random for accounts, Passphrase for things you type, PIN for device unlock. Aim for 16+ characters or 6+ words.

  2. 2

    Press “New password”

    A fresh password appears instantly, made on your device. Press again for another — as many as you like.

  3. 3

    Copy & save it safely

    Press “Copy”, then paste into the sign-up form and save it in your password manager. Boltipass forgets it.

Make my password

Is it really private?

Where does my password go? Nowhere.

Here’s the whole idea as a tiny story — explained like you’re 6. Then everything we did, and three ways to check for yourself.

The story of Mia & the Magic Dice
  1. 1 Mia needs a secret code Mia has a treasure chest. To lock it, she needs a secret code nobody can guess.
  2. 2 She rolls magic dice — at home She rolls her magic dice in her own bedroom, with the curtains closed. Only Mia sees the numbers.
  3. 3 She tells nobody Mia doesn’t shout it, post it or send it. The secret code never leaves her room.
  4. 4 Sneaky Fox can’t guess it Fox tries and tries, but there are far too many possible codes. The chest stays locked!

The story, in real life

  • Mia’s bedroom Your device
  • Magic dice Your browser’s secure random generator
  • Tells nobody Nothing is sent to our server
  • Sneaky Fox Hackers — who can only guess
Everything we did to protect you
  • Made on your device

    Your computer rolls the dice all by itself — like playing a game alone in your bedroom.

    Grown-up details

    Passwords are created by crypto.getRandomValues() inside your browser. The code is downloaded once, then runs locally in your device’s memory.

  • No server can receive it

    Our house has no mailbox, so no letter can ever be delivered to us.

    Grown-up details

    boltipass.com is a static site: pre-built files on Cloudflare Pages. We run no API, database or server-side code, so there is no endpoint a password could be sent to.

  • Never in the web address

    We never write your secret on the outside of the envelope where everyone can read it.

    Grown-up details

    Passwords are never put in URLs, query strings or page titles — so they can’t land in browser history, server logs or analytics reports.

  • Forgotten on refresh

    It’s like drawing in the sand: the next wave washes it away.

    Grown-up details

    A password lives only in this tab’s memory. We never write it to cookies, localStorage, IndexedDB or any cache. Only harmless settings (like “length 20”) are remembered on your device.

  • Your browser is our bodyguard

    We asked your browser to guard the door: “Don’t let this page talk to strangers.”

    Grown-up details

    A strict Content-Security-Policy tells your browser to refuse connections to anyone but boltipass.com — plus Google Analytics and Hotjar hosts, and only on builds where those are switched on. Even a bug couldn’t phone home elsewhere.

  • Works in airplane mode

    If it works with no internet, it can’t be telling anyone anything!

    Grown-up details

    After your first visit a service worker keeps the whole site on your device, so the generator works fully offline. Switch off Wi-Fi and try it.

  • Truly fair randomness

    A magic dice that doesn’t secretly like some numbers more than others.

    Grown-up details

    We use the browser’s cryptographically secure random generator — never Math.random() — and remove “modulo bias” by re-rolling the few values that would favour some characters.

  • Visitor counters can’t read passwords

    Counting kids who enter the playground is not the same as hearing what they whisper.

    Grown-up details

    Google Analytics and Hotjar load only after you say yes — never if your browser sends Do Not Track or Global Privacy Control. We send them page views only. The password sits in a read-only, masked field marked for Hotjar suppression, and is never placed in an event, URL or title.

  • No outside helpers

    We make our own sandwiches — no strangers in our kitchen.

    Grown-up details

    Fonts, icons and code are all served from boltipass.com. No ad networks, social buttons, public CDNs or third-party widgets are loaded.

  • No accounts, no emails

    You don’t have to tell us your name to roll the dice.

    Grown-up details

    There is no sign-up or login, so we hold no emails, names or identities to leak.

  • Doors and windows locked

    We lock the doors, close the curtains and turn off the camera.

    Grown-up details

    HTTPS only, no embedding in other sites (anti-clickjacking), no content-type sniffing, Referrer-Policy “same-origin” so other sites never learn where you came from, and a Permissions-Policy that switches off camera, microphone and location here.

  • You can look inside

    You’re allowed to peek at the recipe any time.

    Grown-up details

    Every line of code that runs is delivered to your browser, so you can read it in DevTools — or watch the Network tab stay quiet while you generate.

Don’t trust us — test us
  1. Easy · 10 seconds

    The airplane test

    1. Open Boltipass once while online.
    2. Turn on airplane mode (or switch off Wi-Fi).
    3. Press “New password” a few times.

    It still works. A page that is offline can’t be sending anything anywhere.

  2. Medium · 30 seconds

    The Network-tab test

    1. Press F12 (or right-click → Inspect) and open the Network tab.
    2. Click the 🚫 clear button, then press “New password” several times.
    3. Watch the list.

    Nothing new appears. (If you allowed visit counters, you may see page-view pings — click one: it contains the page address, never a password.)

  3. Nerdy · 1 minute

    The locks test

    1. Open DevTools → Elements and expand <head>.
    2. Find the <meta http-equiv="content-security-policy"> tag.
    3. Read the connect-src rule.

    It lists only boltipass.com (and analytics hosts, if enabled). That’s the list of places your browser is allowed to talk to — and passwords aren’t sent to any of them.

Read the full Privacy page

Pick your type

Password, passphrase or PIN?

Three kinds of secret, each best at one job. Tap one to try it in the generator above.

  • Random password

    k7#Vq-2Lm@9xRt!bYz4N

    Best for: Accounts you keep in a password manager

    Hard to remember or type — that’s the point.

  • Passphrase

    Tactful-Stress-Gloater-Scorebook-4

    Best for: Master passwords, Wi-Fi, anything you type by hand

    Use 6+ words; the words must be picked at random.

  • PIN

    482 917

    Best for: Phones, bank cards, door locks

    Only safe where a few wrong tries lock you out.

Why it matters

Length beats cleverness

Every extra character makes guessing about 85 times harder. See how fast a super-powered attacker could crack each one.

  • A common password like “password123”
    instantly in every cracking list
  • 8 lowercase letters like “tigerbat”
    about 1 second 38 bits · Weak
  • 8 mixed characters letters, numbers, symbols
    about 1.9 hours 50 bits · Fair
  • 12 mixed characters random
    about 17 thousand years 76 bits · Good
  • 6-word passphrase random words
    about 35 thousand years 78 bits · Good
  • 16 mixed characters random
    longer than the universe has existed 102 bits · Strong
  • 20 mixed characters Boltipass default
    longer than the universe has existed 128 bits · Excellent

Time to crack for an attacker making 100 billion guesses per second on a stolen password file, finding it after trying half the possibilities. Real websites are far slower — this is the worst case.

Do

  • Use a different password for every account
  • Let a generator choose it — people are bad at random
  • 16+ random characters, or 6+ random words
  • Save passwords in a password manager
  • Turn on two-step login or passkeys

Don’t

  • Use names, birthdays, pets or favourite teams
  • Add “123” or “!” to an old password
  • Send passwords by email, text or chat
  • Reuse a password — even a strong one
  • Trust a site that emails your password back to you
Side by side

Boltipass vs LastPass vs 1Password

LastPass and 1Password are well-known password managers with free web generators. Here’s how the generators compare — and what you can check yourself.

Boltipass compared with the LastPass and 1Password free password generators. Reviewed October 2026.
Feature Boltipass You’re hereLastPassPassword Generator1PasswordPassword Generator
The basics
Free online generator Yes:Free, unlimited Yes:Free web tool Yes:Free web tool
No account needed Yes:Nothing to sign up for Yes:Not required † Not confirmed:Not confirmed
Random passwords Yes:Letters, numbers, symbols Yes:Letters, numbers, symbols Yes:Random type
Passphrases (random words) Easier to type and remember Yes:7,776-word EFF list Partly:“Easy to say” option, not word-based Yes:“Memorable” type †
PIN codes Yes:4–12 digits No:Not among its listed options Yes:PIN type †
Avoids look-alike characters Handy when you type a password by hand Yes:One switch (I l 1 O 0) Yes:“Easy to read” option Not confirmed:Not confirmed
Strength check Yes:Bits of randomness + time to crack Yes:Checks strength (zxcvbn) Yes:Strength indicator †
Adjustable length Yes:4–128 characters Yes:Adjustable Yes:Adjustable (reported 8–100) †
Privacy you can check
Password made inside your browser So the password itself never travels Yes:Yes — and no server code exists Not confirmed:Not confirmed — test it yourself Not confirmed:Not confirmed — test it yourself
Works in airplane mode The simplest proof that nothing is sent Yes:Yes, after your first visit Not confirmed:Not confirmed — test it yourself Not confirmed:Not confirmed — test it yourself
Browser told not to phone home A Content-Security-Policy limits where the page may connect Yes:Yes — only boltipass.com, plus analytics if you allow it Not confirmed:Not confirmed Not confirmed:Not confirmed
Beyond generating
Stores your passwords & autofills Boltipass is a generator only — by design No:No — pair it with any password manager Yes:Yes — LastPass is a password manager Yes:Yes — 1Password is a password manager
Best for Yes:Fast, private, no-account password making Partly:People who want a full password manager Partly:People who want a full password manager

Yes Partly No Not confirmed † reported by third-party guides — please verify

How we made this table: compiled in October 2026 from each company’s public pages and documentation. Where we couldn’t confirm something, we say so instead of guessing. Not all of this is a competition — LastPass and 1Password are full password managers, which Boltipass deliberately isn’t. This table compares their free web generators only.

Sources: LastPass — Password Generator · 1Password — Password Generator · LastPass Support — Generate secure passwords

Out of date or wrong? Email us and we’ll fix it.

Test any password generator in 10 seconds

Myth busters

Password myths, busted

Six things people believe about passwords — and what’s actually true.

  • Myth “Hackers sit and guess my password by hand.”

    Fact They use programs that try billions of guesses per second against stolen password files. Only truly random, long passwords hold up.

  • Myth “Swapping letters for symbols (P@ssw0rd!) makes it strong.”

    Fact Cracking programs know every trick like @ for a and 0 for o. Random beats clever.

  • Myth “Symbols matter more than length.”

    Fact Length wins. A random 20-letter lowercase password is stronger than a 10-character mix with symbols.

  • Myth “I must change my passwords every 90 days.”

    Fact NIST’s guidelines advise against forced periodic changes. Change a password when you think it leaked — not on a schedule.

  • Myth “Online password generators are never safe.”

    Fact It depends on where the password is made. One that runs in your browser and works offline can’t send anything. Test any generator in 10 seconds.

  • Myth “A password manager puts all my eggs in one basket.”

    Fact One strong master passphrase plus two-step login is far safer than dozens of reused passwords. Pick a manager that encrypts your vault on your device.

Questions, answered

Everything you wanted to ask about password generators

Short answer first. Tap for a “like you’re 6” version and more detail.

Safety & privacy

Is it safe to use an online password generator?

Short answer Yes — if the password is made inside your browser and never sent anywhere. Boltipass works exactly like that, and you can prove it yourself in 10 seconds.

Like you’re 6 It’s like rolling a dice in your own bedroom instead of asking a stranger to roll it for you. Nobody else sees the number.

More detail Many online generators run in your browser, but you shouldn’t have to take their word for it. With Boltipass you can switch on airplane mode and it keeps working — which proves nothing is being sent.

The site is a set of pre-built files. There is no server code that could receive a password.

Does Boltipass see, store or send my passwords?

Short answer No. Passwords are made on your device, shown on your screen and forgotten when you refresh or close the tab.

Like you’re 6 We hand you a magic dice. We never get to peek at what you roll.

More detail There’s no database, no account and no server code on boltipass.com.

If you allow them, Google Analytics and Hotjar count visits. They only receive page views, and the password box is masked and marked so Hotjar leaves it out of recordings. See the Privacy page for exactly how.

How can I check that nothing is sent?

Short answer Try one of three tests: (1) switch on airplane mode and generate a password, (2) watch your browser’s Network tab stay empty, (3) read the connection rules in the page’s head.

More detail Step-by-step instructions are on the Privacy page under “Check it yourself”. The same tests work on any password generator — including ours and our competitors’.

Are the passwords really random?

Short answer Yes. Boltipass uses your browser’s cryptographic random generator (crypto.getRandomValues) — the same kind that creates HTTPS keys — and never Math.random().

Like you’re 6 It’s a perfectly fair dice with 85 sides, rolled once for every character.

More detail We also remove “modulo bias”, a subtle unfairness in many generators, by re-rolling the few values that would favour some characters.

When you require one of each character type, we simply re-roll until the password has them, so every valid password is equally likely.

Does Boltipass use cookies or trackers?

Short answer Not unless you say yes. With your OK we use Google Analytics and Hotjar to count visits. If your browser sends “Do Not Track” or Global Privacy Control, we don’t even ask.

More detail No ads, no social-media pixels and no third-party fonts or widgets are loaded. Your settings (like password length) are kept in your browser’s local storage and never leave your device.

Strength & length

How long should a password be?

Short answer At least 16 characters for a random password, or 6 words for a passphrase. NIST’s current guidelines (SP 800-63B-4) tell websites to require at least 15 characters when a password is the only login step.

Like you’re 6 Every extra letter makes the secret about 85 times harder to guess — like adding another dial to a bike lock.

More detail Length beats cleverness. Some sites cap passwords at 12–16 characters; if so, use the maximum they allow.

For scale: a random 12-character password would take a very fast attacker about 17 thousand years to crack; 16 characters, longer than the universe has existed.

Do I need symbols and numbers?

Short answer They help a little, but length helps far more. A random 20-letter lowercase password (about 94 bits) is stronger than a 10-character mix with symbols (about 64 bits).

More detail NIST’s guidelines also say websites should not force “one capital, one number, one symbol” rules — they push people towards predictable patterns like P@ssw0rd!. Use symbols when a site demands them; otherwise add length.

What does “bits of randomness” (entropy) mean?

Short answer It counts how many times an attacker’s work doubles. 80 bits means there are 2^80 possible passwords — about a trillion trillion.

Like you’re 6 Each bit is one coin flip. Flip 80 coins in a row and try to guess every result — nobody can.

More detail Our scale: under 40 bits is weak, 40–59 fair, 60–79 good, 80–119 strong and 120+ excellent.

How long would it take to crack my password?

Short answer The estimate under the generator assumes a serious cracking rig making 100 billion guesses every second, and that it finds your password after trying half of all possibilities.

More detail A random 16-character password: longer than the universe has existed. A 6-word passphrase: about 35 thousand years.

Real websites slow guessers down enormously, so this is a deliberately pessimistic, worst-case number for stolen password files.

Using Boltipass

How do I make a strong password with Boltipass?

Short answer Choose Random, drag the length to 16–20, press “New password”, press “Copy”, then paste it into your password manager or the sign-up form.

What’s the difference between a password, a passphrase and a PIN?

Short answer A random password is a jumble of characters (best for accounts you keep in a password manager). A passphrase is several random words (best when you must type or remember it, like a master password or Wi-Fi). A PIN is digits only (only for devices that lock you out after a few tries).

Like you’re 6 Password = secret scribble. Passphrase = a silly sentence only you know. PIN = the number code on your tablet.

What are “look-alike” characters?

Short answer Characters that look alike in many fonts: I (capital i), l (lowercase L), 1 (one), O (capital o) and 0 (zero). Switch “Avoid look-alikes” on when you’ll read or type the password by hand.

Can I use Boltipass offline or on my phone?

Short answer Yes. After your first visit the site works offline, and it fits any screen size. On a phone you can add it to your home screen.

Is Boltipass free?

Short answer Yes — free, with no sign-up and no limits.

What if a website won’t accept my password?

Short answer Some sites limit length or symbols. Try “Easy to type” (no symbols), or lower the length to the site’s maximum.

After you generate

Where should I save my new password?

Short answer In a password manager — for example Bitwarden, 1Password, LastPass, KeePass, or the one built into your browser or phone. Don’t keep it in a notes app, an email or on a sticky note.

Like you’re 6 A password manager is a treasure chest with one super-secret key. You remember the key; the chest remembers everything else.

Why should I never reuse a password?

Short answer When one website is hacked, criminals try the same email and password on your other accounts — an attack called credential stuffing. A unique password for every account stops one leak from becoming many.

Like you’re 6 If one key opened your house, your bike lock and your school locker, losing it would be a disaster.

Should I change my passwords regularly?

Short answer No — only change one when you think it has leaked. NIST’s guidelines advise against forced periodic changes because people respond with weaker, predictable passwords.

Do I still need two-step login (2FA) or passkeys?

Short answer Yes. A strong, unique password plus two-step login stops the vast majority of account takeovers, and passkeys are better still wherever a site offers them.

Why Boltipass?

How is Boltipass different from the generator in my password manager?

Short answer Password managers’ generators are good, but they live inside a bigger product with accounts and vaults. Boltipass does one job: a fast generator with no account, no vault and no clutter — and its privacy claims are checkable in 10 seconds.

More detail If you want autofill and syncing, use a password manager as well — Boltipass is happy to be the place you make the password, and your manager the place you keep it.

Why do you recommend a password manager if you don’t offer one?

Short answer Because the safest setup is a unique random password for every account, and nobody can remember dozens. We’d rather you stay safe than depend on us.

Plain-English dictionary

Words grown-ups use

The jargon, decoded — once for kids, once for grown-ups.

  • Entropy

    How many guesses a bad guy needs.

    A measure of unpredictability in bits. Each extra bit doubles the number of possibilities.

  • Brute force

    Trying every key on the keyring, one by one.

    Guessing passwords automatically, at enormous speed, until one works.

  • Hash

    A scrambled fingerprint of your password that websites store instead of the password.

    A one-way scramble. If hashes are stolen, attackers guess passwords offline and compare — that’s what our crack-time estimate models.

  • Passphrase

    A silly sentence of random words.

    Several randomly chosen words. Easy to type, and strong when there are enough of them.

  • Two-step login (2FA)

    A second lock — like needing a key and a secret handshake.

    A second proof after your password, such as an app code or a security key.

  • Passkey

    Your face or finger opens the door instead of a secret word.

    A phishing-resistant login that replaces the password with cryptographic keys on your device.

  • Credential stuffing

    A burglar trying your stolen house key on every door in town.

    Using leaked email-and-password pairs on other websites. Unique passwords defeat it.

  • Password manager

    A treasure chest that remembers all your keys.

    An app that creates, stores and fills in unique passwords, protected by one strong master password.

Ready? Make one in a blink.

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