Password Generator

Password Generator creates strong, random, secure passwords instantly. Customise the length and character types — uppercase letters, lowercase letters, numbers, and symbols — to meet the exact requirements of any website, application, or security policy. Generate a single password or create several at once, then copy it to your clipboard ready to use.

Weak and reused passwords are the single most common cause of data breaches. According to the Verizon Data Breach Investigations Report, over 80% of hacking-related breaches involve stolen or brute-forced passwords. When users choose passwords themselves, they tend to pick predictable patterns: names, dates, common words, or keyboard sequences like "qwerty" and "123456". These can be cracked in seconds with automated tools. Even passwords that feel creative — like "P@ssw0rd" — are well-known to attackers because they follow common substitution patterns that cracking dictionaries are built around.

What makes a password genuinely strong is a combination of length, randomness, and character diversity. Length is the most important factor — a 16-character password made of only lowercase letters has more possible combinations than a 10-character password using all character types. Randomness means the password has no pattern that a human or algorithm could predict. Character diversity means including uppercase letters (A–Z), lowercase letters (a–z), numbers (0–9), and symbols (!@#$%^&*) to maximise the search space an attacker must brute-force.

Different services have different password requirements. Banking and financial apps typically require 8–16 characters with uppercase, lowercase, and numbers. Many enterprise systems require a minimum of 12 characters and at least one symbol. Some older systems have maximum length restrictions or do not accept certain special characters. This tool's options let you tailor the output to any specification. The NIST Digital Identity Guidelines (SP 800-63B) recommend using long passphrases of 15 or more characters and avoiding rigid complexity rules that push users toward predictable patterns.

Individuals use Password Generator when creating accounts on new websites, updating compromised passwords after a data breach, or setting up device PINs and Wi-Fi credentials. IT administrators use it to generate initial passwords for new user accounts, service accounts, and API keys. Developers use it to create cryptographic secrets, seed values, and test credentials. Security teams provision access tokens and temporary passwords for support workflows. Penetration testers generate credential lists for authorised testing exercises.

The best practice for managing strong passwords is to pair this generator with a password manager. A password manager stores all your passwords in an encrypted vault so you only need to remember one strong master password. This means you can use a unique, randomly generated password for every site without memorising any of them — which eliminates the dangerous habit of reusing the same password across multiple services. Popular password managers include Bitwarden (open source and free), 1Password, Dashlane, and KeePass.

Password Generator runs entirely in your browser and uses JavaScript's cryptographically secure random number generator (window.crypto.getRandomValues) rather than a basic Math.random() call. This ensures the randomness meets cryptographic standards. Generated passwords are never sent to any server, never logged, and never stored — they exist only in your browser's memory for as long as the page is open. Once you navigate away, they are gone. Copy your password immediately and store it securely in a password manager.