🔐 Strong Password Generator

Generate secure, random passwords instantly. Customizable length and character types. Runs in your browser; nothing is sent to our server.

Password Generator Tool

Your password will appear here
Password Strength Weak
Entropy: 0 bits Crack time: instant

Generated Passwords

Why Use a Strong Password Generator?

Creating strong passwords is crucial for protecting your online accounts. A password generator creates random, secure passwords that are nearly impossible to guess or hack. Our free online password generator helps you create secure random passwords in seconds without any installation.

Security Benefits of Using a Password Generator

How Strong Passwords Work

Strong passwords combine uppercase and lowercase letters, numbers, and special characters. The longer the password and more character variety, the more secure it is. This secure password generator creates truly random passwords using cryptographically secure methods that meet the highest security standards. You can generate passwords from 4 to 128 characters long.

Who Should Use This Tool?

Anyone who needs to create secure credentials should use a random password generator. This includes IT professionals, developers, security-conscious individuals, and anyone managing multiple online accounts. Since our tool is 100% browser-based, your passwords are never stored, transmitted, or logged — your data never leaves your device.

Password Security Best Practices

Frequently Asked Questions About Password Generators

Very strong. Our generator uses cryptographically secure random number generation to create passwords that meet industry security standards. A 16-character password with mixed characters would take billions of years to crack using brute force. The built-in strength meter shows real-time analysis of entropy and estimated crack time.
Yes! You can adjust length (4-128 characters) and choose which character types to include: uppercase letters, lowercase letters, numbers, and special symbols. You can also generate multiple passwords at once to choose your favorite.
No. Everything happens entirely in your browser using client-side JavaScript. We never store, transmit, or log your passwords anywhere. Your data never leaves your device. You can verify this by checking the page source — there are no network requests when generating passwords.
At least 12 characters is recommended by security experts. We default to 16 for maximum security. For highly sensitive accounts (banking, email), consider 20+ characters. The strength meter will help you find the right balance between security and usability.
Our tool uses the browser's built-in crypto.getRandomValues() API for true cryptographic randomness, not Math.random(). It includes real-time strength analysis with entropy calculation and estimated crack time. Plus, it's completely free to use.

How to Create a Strong Password

Quick answer: set the length (16 or more is a good default), keep uppercase, lowercase, numbers and symbols ticked, and click Generate Password. Copy it into a password manager and use a different one for every account.

  1. Choose a length with the slider, or type a number from 4 to 128.
  2. Tick the character types you want. Leave all four on unless a site restricts symbols.
  3. Click Generate Password, or Generate 5 Passwords to compare options.
  4. Check the strength meter, entropy and crack-time estimate.
  5. Copy the password and save it in a password manager, then use it for that one account only.

How length changes strength

This table uses all four character types (88 possible characters), the figures this tool reports. Each added character multiplies the work for an attacker.

LengthEntropy (bits)Estimated crack time
851.72 days
1064.644 years
1277.5342 thousand years
16103.421 trillion years
20129.2over a quadrillion years

The estimate assumes 10 billion guesses a second in an offline attack. If you use fewer character types, you need more length to reach the same strength.

Habits that keep accounts safe

Random passwords vs passphrases

A random string such as k7V#qT2mR9xLp4Wz is hard to guess, but also hard to remember, so it suits a password manager. A passphrase made of four or more unrelated random words is easier to type and remember, and works well for a master password or a device login. Whichever you use, it must be random, not a phrase or lyric you know.

Privacy

Generation happens on your device. ToolPond does not send passwords anywhere or keep a history. See our privacy policy.

Frequently asked questions

How long should a password be?

At least 12 characters for ordinary accounts and 16 or more for important ones such as email, banking and your password manager. Length matters more than complexity.

Is a random password better than one I make up?

Yes. People tend to pick predictable words, dates and patterns, even when they add a number or symbol. A random generator has no such habits, so each character is unpredictable.

Is this password generator safe to use?

The passwords are created in your browser using the Web Crypto API (crypto.getRandomValues), the same source browsers use for security features. ToolPond does not see or store them. Still, always copy them straight into a password manager.

What does the entropy number mean?

Entropy, in bits, measures how many guesses an attacker would need. Each extra bit doubles the number of possibilities. This tool works it out as length multiplied by log2 of the number of characters in the pool.

What does the crack time assume?

It assumes an offline attack making 10 billion guesses per second and succeeding halfway through the possibilities. It is a rough guide, not a guarantee. Real attackers, and real hardware, vary.

Should I include symbols?

Symbols add strength, but extra length adds more. If a site rejects some symbols, use a longer password with letters and numbers instead. Sixteen random letters and numbers are stronger than eight characters with symbols.

Should I use the same strong password everywhere?

No. If one site is breached, attackers try the same password on other sites. Use a different random password for every account and let a password manager remember them.

How often should I change passwords?

Change them when there is a reason, such as a breach notice, a shared account or a lost device, rather than on a fixed schedule. Turn on two-factor authentication where you can.

Does the tool keep a history of my passwords?

No. Passwords exist only on your screen until you copy them. Reloading the page clears them.

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