CalquioCalquio

Search

Search for calculators and tools

Password Generator

Generate secure, random passwords with customizable options. Check password strength and crack time.

16
A-Z
a-z
0-9
!@#$%
l1IO0
il1Lo0O

You May Also Like

Why Strong Passwords Matter

Your password is the key to your digital life. A weak password is like leaving your front door unlocked in a busy city.

The harsh reality:

  • 81% of data breaches involve weak or stolen passwords
  • The most common password is still "123456" (used by 23 million people!)
  • Hackers can crack an 8-character lowercase password in under 1 second

What makes a password "strong"?

  • Length (12+ characters minimum)
  • Complexity (mix of character types)
  • Uniqueness (never reused)
  • Randomness (not based on personal info)

How Passwords Get Cracked

๐Ÿ”จ Brute Force Attack Trying every possible combination:

  • 4 digits: 10,000 tries (instant)
  • 8 lowercase: 208 billion tries (~minutes)
  • 12 mixed: 475 trillion trillion tries (centuries)

๐Ÿ“– Dictionary Attack Trying common words and passwords:

  • "password" โ†’ Cracked instantly
  • "p@ssw0rd" โ†’ Also cracked (common substitution)
  • "correct-horse-battery-staple" โ†’ Actually pretty strong!

๐ŸŽฏ Targeted Attack Using personal information:

  • Pet names, birthdays, anniversaries
  • Favorite sports teams, bands
  • Children's names, addresses

If hackers have your info from social media, they'll try it all: YourName2024!, DogName123, Birthday1990

Password Strength: Time to Crack

Password TypeExampleTime to Crack
6 lowercaseaaaaaaInstant
8 lowercasepassword5 seconds
8 mixed casePassword22 minutes
8 + numbersPassw0rd1 hour
8 + symbolsP@ssw0rd!8 hours
12 mixedSecurePass123 years
16 randomaK9#mP2$vL8@nQ4%Millions of years
4-word phrasecorrect-horse-batteryThousands of years

*Based on 100 billion guesses per second (modern GPU)

The magic number is 12. A 12-character random password with mixed characters is practically uncrackable with current technology.

Password Generation Strategies

1. Random Characters (Most Secure)

aK9#mP2$vL8@nQ4%
  • Pros: Maximum security, minimum patterns
  • Cons: Hard to type, impossible to remember
  • Best for: With a password manager

2. Passphrase Method (Memorable)

correct-horse-battery-staple
  • Pros: Easy to remember, very secure if long enough
  • Cons: Takes longer to type
  • Best for: Master passwords, frequent use

3. First Letter Method (Balanced) Take a memorable sentence: "My cat Whiskers was born in March 2019!" โ†’ McWwbiM2019!

  • Pros: Memorable with a system
  • Cons: Shorter than random, patterns possible
  • Best for: When you can't use a password manager

Common Password Mistakes

โŒ The Deadly Sins of Passwords:

  1. Reusing passwords - One breach exposes everything
  2. Simple substitutions - p@ssw0rd is NOT secure
  3. Personal information - JohnSmith1990 is easily guessed
  4. Keyboard patterns - qwerty, 123456, zxcvbn
  5. Adding numbers at the end - password1, password123
  6. Short passwords - Anything under 12 characters
  7. Writing them on sticky notes - Physical security matters too!

โœ… What to Do Instead:

  1. Use a unique password for every account
  2. Use a password manager (seriously!)
  3. Enable two-factor authentication (2FA)
  4. Make passwords at least 12 characters
  5. Use random generation, not patterns

Why Use a Password Manager?

A password manager is like a secure vault for all your passwords. You only need to remember ONE master password.

Benefits:

  • Generate unique, random passwords
  • Auto-fill login forms
  • Sync across all devices
  • Alert you to breached passwords
  • Store secure notes and cards

Popular Options:

ManagerPriceNotable Feature
BitwardenFree/PremiumOpen source
1Password$3/monthFamily sharing
Dashlane$5/monthVPN included
KeePassFreeOffline/local

The master password paradox: Your password manager is only as secure as its master password. Use a long passphrase you'll never forget, like: my-cat-loves-tuna-sandwiches-42!

Beyond Passwords: Two-Factor Authentication

Even the strongest password can be stolen. 2FA adds a second layer:

Something you know (password) + Something you have (phone/key)

2FA Methods Ranked by Security:

  1. ๐Ÿ” Hardware keys (YubiKey) - Best
  2. ๐Ÿ“ฑ Authenticator apps (Google Auth, Authy) - Great
  3. ๐Ÿ“ง Email codes - Good
  4. ๐Ÿ“ฒ SMS codes - Okay (vulnerable to SIM swapping)

Enable 2FA on these accounts first:

  • Email (the master key to everything)
  • Banking and financial
  • Social media
  • Cloud storage
  • Password manager itself