Password Generator

Password length

Options

Lowercase (e.g. abc)

Uppercase (e.g. ABC)

Numbers (e.g. 123)

Special characters (e.g. !?&%$)

Available special characters

Generated Password

E2nfbJtn$pK6$A

80%

Crack time: 581.987 million years

Number of Characters	Only Numbers	Lowercase Letters	Lowercase and Uppercase Letters	Numbers, Lowercase and Uppercase Letters	Numbers, Lowercase, Uppercase, Special Characters
4	instantly	instantly	instantly	instantly	instantly
5	instantly	instantly	instantly	instantly	instantly
6	instantly	instantly	9 seconds 5%	28 seconds 5%	45 seconds 5%
7	instantly	4 seconds 5%	8 Minutes 10%	29 Minutes 10%	50 Minutes 10%
8	instantly	1 Minutes 10%	7 hours 15%	1 days 20%	2 days 20%
9	instantly	45 Minutes 10%	16 days 25%	2 months 30%	5 months 30%
10	5 seconds 5%	19 hours 15%	2 years 40%	13 years 50%	28 years 50%
11	50 seconds 5%	21 days 25%	119 years 60%	824 years 60%	1.935 thousand years 70%
12	8 Minutes 10%	1 years 40%	6.193 thousand years 70%	51.117 thousand years 70%	129.647 thousand years 70%
13	1 hours 15%	39 years 50%	322.04 thousand years 70%	3.169 million years 80%	8.686 million years 80%
14	13 hours 15%	1.022 thousand years 70%	16.746 million years 80%	196.494 million years 80%	581.987 million years 80%
15	5 days 20%	26.575 thousand years 70%	870.796 million years 80%	12.183 billion years 90%	38.993 billion years 90%
16	1 months 30%	690.939 thousand years 70%	45.281 billion years 90%	755.324 billion years 90%	2.613 trillion years 95%
17	1 years 40%	17.964 million years 80%	2.355 trillion years 95%	46.83 trillion years 95%	175.04 trillion years 95%
18	15 years 50%	467.075 million years 80%	122.441 trillion years 95%	2.903 quadrillion years 100%	11.728 quadrillion years 100%

Yes. Security is our priority. This secure password generator operates locally in your browser. This means your passwords are never sent to our servers or stored in any database. Once you refresh the page or close the tab, the data is gone forever, making it a truly random and secure way to protect your accounts.

To create a strong password, a generator must use a cryptographically secure random number generator. Our tool allows you to customize the password length and include a mix of lowercase, uppercase, numbers, and special characters. This ensures that the generated strings are resilient against brute-force attacks.

While a password generator 8 characters long was once the standard, modern security experts now recommend a minimum of 12 to 15 characters. Our tool allows you to slide the length up to 50+ characters. Using a password generator 12 characters or more significantly increases the "crack time," as shown in our real-time strength table.

Human-made passwords often follow predictable patterns (like using birthdays or common words). A random password generator eliminates human bias by creating a high-entropy string that is nearly impossible for hackers to guess. Using our password generator free of charge is the simplest way to upgrade your digital security instantly.

Absolutely. Beyond generating new strings, our tool functions as a password strength checker. As you adjust the options or the length, the visual bar and the "Crack Time" estimation will update instantly. This helps you understand how adding different character types affects the overall security of your credentials.

Password Generator

The Password Generator is a powerful security tool that creates secure, randomly generated passwords. With customizable options and real-time security assessment, this tool helps you generate strong passwords for all your online accounts and keep your digital life safe.

Getting Started

Generate secure passwords with the Password Generator in just a few steps:

Auto-generation: A 14-character password is automatically generated when you open the tool
Adjust length: Use the slider or number field to customize password length (4-64 characters)
Choose character types: Toggle lowercase, uppercase, numbers, and special characters
Regenerate: Click the refresh button or change any setting to generate a new password
Copy: Use the copy button to instantly copy your password to clipboard

💡 Tip: The tool automatically rates your password's security and shows you the estimated time it would take a hacker to crack it!

Main Features

Password Length

Password length is one of the most critical factors for security:

Minimum: 4 characters (not recommended - very weak)
Recommended: 12-16 characters (for good security)
Strong: 16-20 characters (for excellent security)
Maximum: 64 characters (for extreme security)

Security calculation: Security grows exponentially with length! Each additional character multiplies possible combinations by 4-10x depending on character types.

Character Types

The tool supports four character categories that you can combine:

Lowercase (a-z): 26 possibilities per character position
Uppercase (A-Z): 26 possibilities per character position
Numbers (0-9): 10 options per character position
Special characters (!?&%$): 5 special characters for additional complexity

💡 Customizable Special Characters: When special characters are enabled, you can customize the available characters individually! The input field displays the currently used special characters, which you can edit as desired. With every change, a new password is immediately generated and the security assessment is updated.

ℹ️ Info: The tool automatically ensures that the generated password contains at least one character from each selected category. This maximizes security through diversity!

Password Security Assessment

The tool rates password security in real-time with two important metrics:

1. Security Score (0-100%):

Calculated based on estimated brute-force attack time

0% - Instantly: Less than 1 second
5% - Seconds: Under 1 minute
15% - Minutes/Hours: Under 1 day
25% - Days/Weeks: Under 1 month
50% - Months/Years: Under 1 century
75% - Thousands of years: Under millions of years
100% - Practically impossible: Millions+ of years

2. Crack Time:

Estimated time to crack with 1 billion attempts per second (modern attackers). Formula: Possible combinations ÷ (Attempts per second × 2)

Combinations = (Number of character types)^(Password length)

💡 Tip: Passwords with "practically impossible" crack times are secure enough for virtually all purposes. Aim for at least several million years of crack time!

Password Strength Table

The tool displays a detailed overview of password combinations:

Combinations: Examples with different character types
Security at 8 characters: How secure an 8-character password is
Security at 12 characters: How secure a 12-character password is
Security at 16 characters: How secure a 16-character password is
Security at 20 characters: How secure a 20-character password is

ℹ️ Info: The table shows how strong your password becomes with different lengths and character combinations. Find the perfect balance between security and memorability!

Security Guidelines

Best practices for secure passwords:

No personal data: Avoid names, birth dates, or personal information
Unique per account: Use a different password for each account
Passphrase alternative: Long passphrases (e.g., "MyDog.IsGreen42!") are often more secure than short random passwords
Change regularly: Update critical passwords every 3-6 months
Never share: Never give your password to anyone, even trusted friends!
Use a password manager: A password manager stores your passwords securely

Use Cases

When is the Password Generator particularly useful?

New online accounts: Generate strong passwords for new email, social media, or banking accounts
Password security audit: Check your existing passwords and regenerate weak ones with stronger versions
IT administrators: Quickly create secure default passwords for new user accounts
Developers: Generate API keys and temporary credentials for applications
Security-conscious users: Understand how secure your passwords are and why length matters
Cybersecurity education: Learn about password entropy and brute-force attacks

Tips & Best Practices

At least 12 characters: Always use at least 12 characters for regular accounts. 16+ characters for critical accounts (banking, email).
Enable all character types: Combining uppercase, lowercase, numbers, and special characters dramatically increases security.
Regenerate freely: Don't like a password? Just generate a new one! It costs nothing and takes just a few clicks.
Check crack time: Always aim for at least "millions of years" crack time. Anything less is potentially vulnerable.
Password manager integration: Use a password manager to securely store all your generated passwords.
Two-factor authentication: Add 2FA on top of strong passwords for critical accounts.

Practical Examples

Weak Password

Configuration: 6 characters, lowercase only

Example password: "abcdef"

Combinations: 26^6 = 308,915,776

Crack time: Less than 1 second

Recommendation: ❌ Do not use - way too weak!

Medium Password

Configuration: 12 characters, all types

Example password: "aB3#xYz9@kL2"

Combinations: 86^12 ≈ 475,920,314,814,253,376

Crack time: ~238 million years

Recommendation: ✅ Good for regular accounts (email, social media)

Strong Password

Configuration: 16 characters, all types

Example password: "x9K#pQ@2mV&nB7sT"

Combinations: 86^16 ≈ 2.53 × 10^30

Crack time: ~1.27 trillion years

Recommendation: ✅✅ Excellent for critical accounts (banking, email management)

Extreme Password

Configuration: 20+ characters, all types

Example password: "p$Qx@Nk4mV&2bL#8jR5T"

Combinations: 86^20 (astronomical number)

Crack time: Longer than the age of the universe

Recommendation: ✅✅✅ Overkill for most purposes, but impossible to crack

Tool Wizard

Password Generator

Frequently Asked Questions

Password Generator

Getting Started

Main Features

Password Length

Character Types

Password Security Assessment

Password Strength Table

Security Guidelines

Use Cases

When is the Password Generator particularly useful?

Tips & Best Practices

Practical Examples

Weak Password

Medium Password

Strong Password

Extreme Password