Common Password Checker
Check if your password is among the most commonly used and easily guessed passwords.
Check Password Commonality
Password is Not Common
Good news! This password is not in our database of commonly used passwords.
Common Password Detected
Warning! This password is commonly used and easily guessed by attackers.
Potentially Weak Pattern
This password shows patterns that might make it easier to guess.
How to Use This Tool
Check if your password is too common and easily guessed
About Common Password Checker
This tool checks your password against a database of the most commonly used passwords worldwide. Common passwords are easily guessed by attackers using dictionary attacks and should be avoided for better security.
Enter Your Password
Type the password you want to check. All processing happens locally in your browser for security.
Configure Check Options
Choose to check variations, pattern weakness, and whether to show similar common passwords.
Run the Check
Click "Check Password" to analyze your password against common password databases and patterns.
Review Results
Get detailed feedback about your password's commonality and suggestions for improvement.
Security Tip
Avoid common passwords, dictionary words, and predictable patterns. Use unique, complex passwords or passphrases for better security.
Why Use This Tool?
Comprehensive Database
Checks against thousands of the most commonly used passwords worldwide.
Pattern Analysis
Detects weak patterns like sequential numbers and keyboard patterns.
Variation Detection
Finds common variations like adding numbers or symbols to basic passwords.
Privacy Focused
All checking happens locally. Your password never leaves your device.
Password Security Tips
Avoid Dictionary Words
Don't use common words, names, or phrases that can be found in dictionaries.
Skip Personal Information
Avoid using birthdays, names, addresses, or other personal information in passwords.
No Keyboard Patterns
Avoid sequences like "qwerty", "123456", or "asdf" that follow keyboard layouts.
Don't Just Add Numbers
Adding "123" or "!" to a common word doesn't make it secure enough.
Use Random Generation
Generate truly random passwords or use memorable passphrases with random words.
Unique for Each Account
Use different passwords for every account to prevent credential stuffing attacks.