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Why Use PassGen?
Cryptographically Secure
Uses your browser's built-in crypto engine to generate truly random passwords —not weak pseudo-random numbers.
Instant & Private
Passwords are generated right in your browser. They never leave your device —no servers, no storage, no tracking.
Fully Customizable
Choose length, character types, and exclude confusing characters. Generate passwords that fit every site's requirements.
Key Features
Everything you need, right at your fingertips. Simple, fast, and built for everyone.
Crypto-Secure Random
Uses Web Crypto API for true randomness —not Math.random().
Full Character Sets
Uppercase, lowercase, numbers, symbols —mix and match.
1 to 128 Length
Generate passwords from a single character up to 128 characters.
No Ambiguous Characters
Option to exclude easily confused chars like 0, O, 1, l.
One-Click Copy
Copy generated password to clipboard instantly.
100% Private
Everything runs in your browser. Passwords never leave your device.
How to Use This Password Generator
Getting started is easy. Just follow these simple steps.
Set Length
Choose how many characters your password should have.
Pick Options
Select uppercase, lowercase, numbers, symbols, and exclusions.
Generate
Click generate to create a brand new secure password.
Copy & Use
Click copy and paste it wherever you need.
About This Password Generator
A strong password generator is one of the most important tools for your online security. With data breaches becoming increasingly common, using unique, complex passwords for every account is no longer optional —it is essential for protecting your personal information, financial data, and online identity.
Our password generator creates cryptographically secure random passwords using your browser's built-in Web Crypto API. This means every password is truly unpredictable and cannot be guessed or reproduced. Unlike pseudo-random generators that use predictable seeds, cryptographic randomness ensures your passwords are as secure as possible.
When creating a strong password, longer is always better. We recommend at least 16 characters for important accounts. Include a mix of uppercase and lowercase letters, numbers, and symbols. Avoid using personal information, common words, or patterns like '1234' or 'qwerty'. Each additional character exponentially increases the time required to crack the password through brute force.
Remember that a password manager is the best way to use strong unique passwords without having to remember them all. Generate your passwords with our tool, store them securely in a password manager, and you will significantly improve your digital security with minimal effort.
Password Generator FAQ
How long should a password be?
Use at least 12 characters for everyday accounts and 16+ for email, banking, and crypto. Longer is almost always safer than more symbols.
Are random passwords from this tool safe?
Yes. Generation happens locally in your browser using the Web Crypto API. Nothing is uploaded, stored, or logged — passwords never leave your device.
What makes a strong password?
Length, randomness, and uniqueness. Avoid dictionary words and personal info; use a different password for every site. Test any password with our strength checker.
Should I use a passphrase instead?
Passphrases (four or more random words) are easier to remember and can be stronger than short complex strings. Generate random words here or type a phrase into the strength checker to compare.
How do I remember unique passwords for every site?
Use a reputable password manager — generate once here, save in the vault, and enable autofill. For a few master passwords, use long passphrases you can recall.
Is this free password generator private?
Yes. Everything runs client-side: no accounts, no server-side generation, and no history after you close the tab.
Can I exclude ambiguous characters like l and 1?
Use the length and character options above; for shared passwords (e.g. over the phone), avoid similar-looking glyphs by choosing a longer length and regenerating until it is easy to read.
Why did my generated password show weak on the checker?
Very short lengths or no symbols can lower scores. Increase length to 16+ and enable all character sets, then verify with the password strength checker.
Related: test password strength · password security guide