Password generator
Generate a strong random password in your browser. Nothing is sent anywhere.
Select at least one character setStrength: Weak
Securing a site? Audit its SEO too
Generate a strong random password in your browser. Nothing is sent anywhere.
Select at least one character setA password generator is a tool that creates strong, random passwords instantly. This one runs entirely in your browser: set your desired length, click regenerate, and copy the password. Nothing is stored on servers, nothing is transmitted, and everything happens in seconds.
Humans are predictable when creating passwords. People follow patterns: birthdays, pet names, simple sequences, or slight variations of the same root word across multiple sites. When left to choose, users typically capitalize the first letter, add a number at the end, and reuse similar patterns everywhere. A random password generator removes that human bias entirely. It creates combinations that follow no pattern, contain no dictionary words, and cannot be guessed by testing common sequences. Each generated password is unique because it has no relationship to your name, your life, or your other passwords.
The difference in security is stark. A hacker can test common password patterns—like adding 2024 to the end of a word, or using qwerty plus numbers—because they work regularly. But a randomly generated password like K7mD$9xL2@pQ cannot be found in any dictionary, follows no keyboard pattern, and contains no recognisable sequence. When an attacker cannot predict the pattern, their attack fails immediately.
This tool generates that randomness in your browser. No algorithms based on your interests, no personalisation, just cryptographic randomness that makes every password unique and unpredictable.
A strong password has three essential qualities: length, character variety, and randomness.
Length matters more than most people realise. A 12-character password requires exponentially more time to crack than an 8-character one. Longer passwords resist brute-force attacks—where an attacker's software tries billions of character combinations per second. Each additional character approximately multiplies the total possible combinations, which is why a 14-character password is dramatically more secure than a 10-character one. A 16-character password using uppercase, lowercase, numbers, and symbols has so many possible combinations that cracking it through brute force would take longer than the age of the universe, even with unlimited computing power.
Variety means your password includes multiple character types. Each type you add increases the total possible combinations at each position:
A password using all four types is orders of magnitude harder to crack than one using only lowercase letters. This tool generates passwords with all character types by default, maximizing variety.
Randomness is what separates a strong password from a password that looks strong but follows a pattern. Qwerty123! is weak because it follows a keyboard pattern and uses a common number sequence. A password like 7mK$9xL2@pQ is strong because each character position is independent and unpredictable. Password generators create this randomness through algorithms that do not depend on recognisable patterns or human logic—the password is as likely to start with a symbol as a letter.
Attackers use two primary methods to crack passwords: dictionary attacks and brute-force attacks.
A dictionary attack tests thousands of real words and common variations. Hackers maintain lists of frequently used passwords—"password123", "letmein", "abc123", "qwerty"—and test these combinations first because they work often. They know people use birthdays, pet names, and family members' names. They test these because humans follow patterns. A randomly generated password cannot be found in any dictionary and contains no recognisable word or sequence. This approach fails immediately.
A brute-force attack methodically tests every possible combination within a character set. Against a weak password system with poor protection, this can work. A 6-character password has only 2 trillion possible combinations; a computer testing 1 billion per second cracks it in hours. Against a truly random, 14-character password using uppercase, lowercase, numbers, and symbols, the number of possible combinations is so vast that brute force becomes computationally infeasible. Testing all possible combinations would take centuries even with extremely fast hardware.
The difference between a human-chosen password and a randomly generated one is predictability. Humans avoid randomness. They add capitals at the start, numbers at the end, and reuse similar patterns across sites. Humans replace 'a' with '@' or 'e' with '3'—predictable substitutions that attackers test. Humans are easy to predict. True randomness is not.
Experts recommend a minimum of 12 characters for most accounts. For sensitive accounts—email, banking, password manager master password, and social media—16 characters or longer is better. Here is why length matters so much:
| Password Length | Possible Combinations (mixed case + numbers + symbols) | Brute-Force Time (at 1 billion guesses/second) |
|---|---|---|
| 8 characters | ~2.8 trillion | Less than 1 hour |
| 10 characters | ~80 trillion | About 1 day |
| 12 characters | ~475 quadrillion | 15,000 years |
| 14 characters | ~13 septillion | 400,000 years |
| 16 characters | ~53 undecillion | Over 1 million years |
Notice the exponential jump. Adding just 2 characters does not add a little more security; it adds millions of years. This is why moving from 12 to 14 characters is such a powerful difference.
Most accounts can accept 14–16 character passwords. A few older systems have limits (banks sometimes cap at 16 or 20; some legacy sites limit to 12). Before generating, check the site's password requirements. This tool gives you full control: generate at 12 if a site requires it, but always prefer 14 or 16 when the site allows it.
This is non-negotiable security practice. Reusing the same password across multiple sites means one breach exposes everything. If a hacker cracks your password for a shopping site, they will immediately try that same password on your email, your bank, and your social media. This is called credential stuffing, and it works because people reuse passwords.
A password generator solves this completely. Generate one random password for your email. Hit regenerate and generate a different random password for your bank. Hit regenerate again for social media, your cloud storage, your streaming service, and every other site. Each password is completely independent. Each regeneration gives you a fresh, unique, random combination that no other account uses.
Data breaches happen regularly—retailers, apps, web services, banks, and even security companies have been compromised. When a site is breached, attackers get access to usernames and passwords. If you were using the same password everywhere, that one breach becomes your entire digital life compromised. Your email gets hacked, then your bank, then your social media. If you used unique passwords, only that one breached site is at risk.
You cannot memorise dozens of unique, complex passwords. That is not a failing; it is exactly why password managers exist. Generate a unique password with this tool, copy it, paste it into a password manager or the site's signup form, and move on. The password manager remembers; you do not need to.
This password generator runs entirely in your browser. When you set a length and click regenerate, the tool's code executes on your device only. The random characters are generated locally. They are not sent to a server, logged, stored, or transmitted over the internet.
This matters for trust. You do not need to wonder whether the site is keeping a copy of your password (it is not), whether it is logging your behaviour (it is not), or whether your passwords are vulnerable to the site's server being hacked (they are not on any server). The password exists only on your device and only in places where you choose to paste it.
The randomness comes from your browser's built-in cryptographic random number generator. This is the same technology that secures HTTPS connections and protects online banking. When you click copy, the password goes to your clipboard. You then paste it wherever you need it—into a password manager, a signup form, a login page. After you paste, the password stays in your clipboard until you copy something else (most password managers clear it automatically after 30 seconds for security).
Nothing persists on any server. Nothing is transmitted. Nothing is logged. This is why browser-based generators are the safest choice.
A password generator is a tool that creates strong, random passwords instantly. This one runs in your browser—you set the desired length, click regenerate to create a new password, and copy it. The password is generated on your device only and is not stored, transmitted, or logged anywhere.
Humans create predictable passwords. Even when trying to be random, people use birthdays, pet names, keyboard patterns, or slight variations of the same root word. They add capitals at the start and numbers at the end—patterns attackers test first. A password generator removes human bias and creates truly random combinations of uppercase, lowercase, numbers, and symbols that cannot be guessed. It also ensures every password is unique—critical because reusing passwords means one breach exposes all your accounts.
Yes. This tool runs entirely in your browser on your device. No passwords are sent to a server, stored, logged, or transmitted over the internet. The randomness comes from your browser's built-in cryptographic random number generator—the same technology that secures HTTPS and online banking. After you copy the password, it exists only where you paste it. Nothing persists anywhere except in your password manager or on the sites where you use it.
Yes, absolutely. Using the same password across multiple accounts is the single biggest security risk you face. If one site is breached, attackers will immediately test that password on every other site they can reach. A password generator makes this easy: generate one password, copy it to your password manager, move to the next site, hit regenerate for a completely different password. You only need to remember one strong master password for your password manager—it stores and autofills the generated ones for you.
Aim for at least 14 characters; 12 is a minimum for average accounts, but 14–16 is dramatically stronger. The length slider on this tool makes it simple. A 16-character password with mixed case, numbers, and symbols is effectively impossible to crack through brute force. More length always means exponentially more security. Check the site's password requirements first (rare systems cap at 12 or 20), but always choose the longest length the site allows.
Drag the length slider to set your desired password length (14–16 is recommended). Click the regenerate button to create a new password. The password appears instantly in the field. Click the copy button, then paste it into your password manager or the signup form. That is all. For each new account, repeat the process: hit regenerate to get a completely different password.
Three things: length, character variety, and randomness. Length matters most—a 14-character password is vastly harder to crack than an 8-character one. Variety means including uppercase letters, lowercase letters, numbers, and symbols; each type multiplies the possible combinations. Randomness means no dictionary words, no predictable sequences (like qwerty or 123456), and no personal information. A password generated by this tool has all three qualities.