About Password Generator
The Password Generator creates cryptographically secure random passwords with configurable length and character sets. Choose any combination of uppercase letters, lowercase letters, numbers, and symbols. Set a minimum length and exclude ambiguous characters (0, O, l, 1, I) for easier reading.
All randomness comes from the browser's Web Crypto API (crypto.getRandomValues), which is cryptographically strong — not the weak Math.random() function.
Strong passwords are your first line of defense against account compromise. A 16-character password using all character sets has more than 10^29 possible combinations, making it effectively unbreakable by brute force.
Your generated passwords are never stored, logged, or transmitted. Everything happens locally in your browser.
Password Generator Features
- Cryptographically secure randomness
Passwords are generated using the browser's Web Crypto API (crypto.getRandomValues), the same class of random source used for cryptographic keys — not a predictable Math.random() sequence.
- Fine-grained character control
Independently toggle uppercase, lowercase, numbers, and symbols, and exclude ambiguous characters like 0/O or l/1 when a password needs to be read aloud or typed manually.
- Generate multiple at once
Produce a batch of passwords in one go when you need several unique credentials for new accounts or service users.
How to Use Password Generator
Set your desired password length (8–128 characters).
Toggle character sets: uppercase (A-Z), lowercase (a-z), numbers (0-9), symbols (!@#$...).
Optionally exclude ambiguous characters like 0, O, l, 1, and I.
Click Generate. Copy the password immediately.
Examples
Practical Uses for Password Generator
- Generate a strong password for a new online banking account
- Create a temporary password for a new employee's onboarding
- Generate a secure Wi-Fi router password
- Create a batch of unique passwords for a team's new accounts
- Generate a passphrase-friendly password excluding ambiguous characters
- Create a strong master password for a password manager vault
Common Mistakes to Avoid
- Reusing the same password across multiple accounts.
- Generate a new, unique password for every account. If one site is breached, reused passwords let attackers access your other accounts too.
- Choosing a short password to make it easier to remember.
- Use a password manager to store long, random passwords instead of shortening them for memorability — length is one of the biggest factors in resisting brute-force attacks.
- Disabling symbols and numbers because a site 'seems' to allow simple passwords.
- Keep the character set as wide as the target site allows. A longer password with only letters is weaker than a shorter one mixing letters, numbers, and symbols.
Who Uses the Password Generator Tool
- IT administrators generate secure temporary passwords for new employee accounts and system access.
- Security-conscious individuals create strong, unique passwords for banking, email, and other sensitive accounts.
- Small business owners generate secure Wi-Fi and admin passwords for office network equipment.
- Developers create secure default credentials for new database or service accounts during setup.
- Students generate strong passwords for new accounts while learning good security hygiene.
Comparisons
Random Passwords vs Passphrases
A random password like G#7kRp!mQ2nXvL@8 packs high entropy into a short string using a wide character set, making it very strong but hard to memorize — best paired with a password manager rather than typed from memory. A passphrase strings together several random words, trading some character-set randomness for length, which can be easier to recall while still resisting brute-force attacks if enough words are used.
For most accounts protected by a password manager, a long random password like this tool generates is the stronger and more convenient choice. Reserve memorable passphrases for the few passwords you truly need to type from memory.
Frequently Asked Questions
Is the password generated securely?
Yes — the Web Crypto API (crypto.getRandomValues) is used for all randomness, not Math.random(). This provides cryptographically strong randomness.
How long should my password be?
At least 16 characters for important accounts. NIST recommends length over complexity — a 20-character password is far stronger than an 8-character one with special characters.
Should I use a password manager?
Yes — a password manager lets you use a unique, long, random password for every account without needing to remember them. Use a generator like this one together with a password manager.
Are generated passwords saved anywhere?
No — passwords are generated entirely in your browser and are never stored, logged, or transmitted anywhere.
What makes a password strong?
Length is the most important factor. Using all character sets (uppercase, lowercase, numbers, symbols) increases the character space, but length has a much larger impact on entropy.
Can I generate multiple passwords at once?
Yes — set the count to generate multiple passwords in a single click for batch use cases.
Should I exclude ambiguous characters like 0, O, l, and 1?
Enable this option if you'll ever need to read or type the password manually, since these characters are easy to confuse visually. If you're only ever copy-pasting from a password manager, it doesn't matter either way.
Is a 16-character password long enough?
For most accounts protected by modern hashing, yes — 16 random characters from a full character set is currently considered strong. For your most sensitive accounts, consider 20+ characters for extra margin.
Can I generate a temporary password for a new employee?
Yes — generate a strong password here, and pair it with a policy requiring the employee to change it on first login, which is standard practice for onboarding new accounts.
Related Tools
Ready to use Password Generator?
It's free, runs entirely in your browser, and there's nothing to install or sign up for.
Scroll up & try it now ↑