What is Password Strength Checker?
Password Strength Checker is a free online tool that analyzes how secure your password is. It checks for common weaknesses and estimates how long it would take to crack.
All analysis happens in your browser โ your password is never sent to any server.
How to Check Password Strength
- Enter your password in the input field
- View the strength rating (Weak, Fair, Good, Strong)
- See estimated crack time
- Review suggestions for improvement
Strength Ratings
| Rating | Description |
|---|---|
| Weak | Easy to crack in seconds to minutes |
| Fair | Could be cracked in hours to days |
| Good | Would take months to years to crack |
| Strong | Practically uncrackable with current technology |
What We Check
- Length โ Longer passwords are exponentially stronger
- Character Variety โ Uppercase, lowercase, numbers, symbols
- Common Patterns โ Sequential numbers, repeated characters
- Dictionary Words โ Common words and names
- Known Breaches โ Passwords found in data breaches
Key Features
- Real-time Analysis โ Instant strength feedback
- Crack Time Estimate โ See how long it would take to crack
- Improvement Tips โ Suggestions for stronger passwords
- 100% Private โ Analysis happens in your browser
- No Storage โ Passwords are never saved
- Mobile Friendly โ Works on all devices