Password Generator
Create secure passwords.
Generate browser-side passwords with cryptographic randomness.
Password Settings
Length must be between 8 and 20 characters.
No password generated yet.
How It Works
Choose Length
Select your desired password length (12+ characters is recommended).
Select Character Types
Include uppercase, lowercase, numbers, and symbols for maximum entropy.
Generate Password
Click Generate to create a cryptographically strong random password.
Copy to Clipboard
Click Copy to safely use your new password in your account settings.
Password Generator Overview
A Password Generator creates strong, random passwords to help protect your online accounts from being guessed or cracked. It lets you customize password length and which character types to include, so you can meet the specific requirements of different websites and services.
Why Use This Calculator
- Generate strong, unique passwords in one click
- Fully customizable length and character sets
- Helps meet website-specific password requirements
- Nothing is stored or transmitted — generated locally
Security Guidelines
- Use at least 12 characters; 16+ is recommended
- Include a mix of all character types
- Avoid dictionary words or names
- Use a unique password for every account
Worked example: choosing a safer password rule
You need a password for a financial account and can choose length, symbols, numbers, and mixed-case letters.
- 1Choose at least 16 characters for important accounts.
- 2Include uppercase, lowercase, numbers, and symbols if the website allows them.
- 3Generate a random value instead of editing a memorable phrase by hand.
- 4Store it in a password manager so you do not reuse it elsewhere.
Length and randomness matter more than clever substitutions. A random 16-character password is usually stronger than a shorter password with predictable symbol swaps.
How this differs from academic calculators
This tool is security-focused rather than grade-focused, so its quality comes from random generation options, entropy guidance, and copy-safe workflow.
Common mistakes to avoid
- Do not reuse the same generated password on multiple websites.
- Do not remove symbols just to make a password easier to remember unless the site rejects them.
- Do not share generated passwords in chat, email, or screenshots.
Frequently Asked Questions
Is it safe to generate passwords online?
Passwords should be generated using a secure, client-side random function so nothing is transmitted or stored; for maximum security on highly sensitive accounts, a dedicated offline password manager is also recommended.
How long should my password be?
Security experts generally recommend at least 12 characters, with 16 or more for important accounts like email or banking.
Should I include symbols in every password?
Include symbols when the website allows them, as they significantly increase the number of possible combinations and make passwords harder to crack — but some sites restrict which characters are allowed.
How do I remember a randomly generated password?
Use a reputable password manager to store and autofill your passwords instead of memorizing them — this also lets you safely use a different strong password for every account.
What's the difference between a password generator and a password manager?
A password generator only creates a random password; a password manager also securely stores, organizes, and autofills passwords across your devices. Many people use both together.
Can a generated password still be cracked?
Any password can theoretically be cracked given enough time and computing power, but a long, random password with mixed character types can take centuries to brute-force with current technology, making it highly impractical to crack.
How often should I change my passwords?
Rather than changing passwords on a fixed schedule, security experts now generally recommend changing a password immediately if a service you use reports a data breach, and using a unique strong password for every account so one breach doesn't compromise others.
Is a longer password always stronger?
Length helps a lot, but it should also be random and unique to the account.
Should I memorize generated passwords?
For most accounts, store them in a trusted password manager instead of trying to memorize each one.
Are passphrases safe?
Long random passphrases can be safe, but short or famous phrases are easy to guess.