Generate strong, secure passwords or check the strength of your existing passwords. Everything happens locally in your browser.
use a unique password for every account
enable two-factor authentication when available
use a password manager to store passwords securely
update passwords regularly for important accounts
Choose the desired password length (4-64 characters) and toggle character types: uppercase letters, lowercase letters, numbers, and special symbols. Longer passwords with all character types enabled are the strongest.
Click the refresh button to regenerate a cryptographically random password. The tool auto-generates a password on load, and the randomness comes from your browser's built-in crypto API, which provides true unpredictability.
The strength meter shows you exactly how strong your password is, estimating the time it would take to crack with current hardware. Aim for "Very Strong" or above for important accounts.
Click the copy button and paste the password into your password manager or account signup form. Never write it down in plain text or reuse it across multiple sites.
Uses your browser's Web Crypto API (crypto.getRandomValues) to generate passwords, the same source of randomness used by encryption software and secure protocols.
Calculates entropy and estimates crack time based on current GPU brute-force speeds. The meter gives you a realistic assessment, not a vague "weak/strong" label.
Your password is generated entirely in your browser. Nothing is sent to any server -- ever. You can even disconnect from the internet after loading the page and it still works.
Include or exclude specific character types to meet the password policies of different services. Some sites disallow special characters; others require at least one number.
Create a new password with a single click. Regenerate as many times as you like until you get one that is easy to type on your keyboard layout if needed.
Paste in an existing password to see how strong it is. Useful for auditing old passwords you are still using on important accounts.
The average person reuses the same two or three passwords across dozens of accounts. When one service suffers a data breach, attackers try those credentials on every major platform -- a technique called credential stuffing. A unique, randomly generated password for every account eliminates this entire class of attack. Even if one password leaks, nothing else is compromised.
Developers and sysadmins need strong secrets for database passwords, API keys, JWT signing keys, and service accounts. Manually invented passwords tend to follow human-predictable patterns that automated cracking tools exploit first. A 32+ character random string from a cryptographic source is orders of magnitude harder to brute-force than any password a human would come up with.
Small business owners and team leads often need to generate temporary passwords for new employee accounts, Wi-Fi access, or shared service logins. Having a quick, trusted tool to create these passwords -- one that provably never transmits them -- ensures you are not accidentally leaking credentials through a sketchy third-party website.
For most accounts, 16 characters with mixed types is excellent. For high-security needs like master passwords or encryption keys, 20-32 characters is recommended. Each additional character exponentially increases the time required to brute-force the password.
Yes, as long as the tool runs entirely client-side (this one does). The Web Crypto API provides cryptographically secure randomness, and since no data leaves your browser, there is no network interception risk. It is equivalent to generating a password in a local app.
Including special characters increases the character set from ~62 to ~95 possible characters per position, significantly increasing entropy. However, some older systems or mobile keyboards make special characters harder to type. If a service allows them, include them; if not, compensate with extra length.
Entropy measures the unpredictability of a password in bits. A password with 80 bits of entropy has 2^80 possible combinations. For perspective, 80 bits of entropy would take billions of years to crack with current technology. The higher the entropy, the longer a brute-force attack takes.
This tool measures password strength based on length, character diversity, and entropy. For breach checking, you would need a service like Have I Been Pwned that compares password hashes against known breach databases. The two checks are complementary -- a strong password that was leaked is still compromised.
Check URLs for phishing before entering your newly generated password anywhere.
Verify your VPN is active before logging into sensitive accounts.
Encode secrets and tokens for configuration files and API headers.
Generate a QR code for Wi-Fi passwords to share access without typing.