Strong Password Generator — Create Secure Passwords

What is a Password Generator?

A password generator creates random passwords that are far harder to guess than anything people usually invent themselves. Human-made passwords tend to follow patterns — a name plus a year, a favourite word with “@123”, or the same password reused everywhere. Attackers know these patterns and test them first. A generator removes the pattern completely by picking every character at random.

The Prompt Minds Password Generator lets you choose a length from 6 to 64 characters and decide which character types to include: uppercase letters, lowercase letters, numbers and symbols. It guarantees that each selected type appears at least once and then shuffles the result, so the password is both compliant with typical website rules and unpredictable.

Security depends on where the randomness comes from. Many simple generators use Math.random(), which is not designed for security. Our tool uses the browser's Web Crypto API (crypto.getRandomValues) with rejection sampling, which avoids the small statistical bias that appears when random numbers are squeezed into a range. The result is the kind of randomness used by professional security software.

Most importantly, the password never leaves your device. It is generated by JavaScript running in your browser, is not sent to any server and is not stored after you close the page. You can verify this by disconnecting from the internet after loading the page — the generator keeps working.

Key Features

• Adjustable length: Pick any length from 6 to 64 characters with a simple slider.
• Four character sets: Uppercase, lowercase, numbers and symbols can be switched on or off.
• Look-alike filter: Optionally remove O/0 and l/1/| so passwords are easy to read and type.
• Guaranteed variety: At least one character from every selected set, then a secure shuffle.
• Strength meter: A colour bar and label show the estimated strength from Weak to Very Strong.
• Cryptographic randomness: Built on crypto.getRandomValues, not Math.random().
• Instant regeneration: Changing any option creates a fresh password immediately.
• One-click copy: Copy the password to your clipboard without selecting it manually.
• Offline capable: Works without an internet connection after the first visit.
• Free and private: No sign-up, no tracking of generated passwords and no limits.

How to Create a Strong Password — Step by Step

1. Choose the length: Drag the slider to 16 characters or more. Longer is stronger.
2. Select character types: Leave all four boxes ticked unless a website does not allow symbols.
3. Decide on look-alikes: Tick “Avoid look-alike” for passwords you will read aloud or type by hand, such as a Wi-Fi key.
4. Generate: Click Generate New. A new password appears and the strength meter updates.
5. Copy: Click the copy button next to the password.
6. Save it safely: Paste it into your password manager and then into the website's sign-up or change-password form.

Pro tip: Turn on two-factor authentication (an OTP app or security key) for email and banking. Even a perfect password is safer with a second factor.

How Long Should Your Password Be?

The table below shows approximate entropy for passwords that use all four character types (86 possible characters). Higher entropy means more possible combinations an attacker would have to try.

Why Choose the Prompt Minds Password Generator?

A password generator should be the most trustworthy tool you use, because the output protects your accounts. That is why ours is built on the browser's cryptographic random number generator and runs entirely on your device. There are no hidden network requests, no analytics on the passwords themselves and no account needed.

The interface is deliberately simple: one slider, four checkboxes, one button and a strength meter. Changing any option instantly creates a fresh password, so you can experiment without extra clicks. The look-alike filter solves a real everyday problem — sharing a Wi-Fi password with guests or typing a password from a printed sheet — without making the password weak.

Like every Prompt Minds tool, the generator is free, mobile-friendly and available in dark and light themes. It sits alongside related tools such as our Protect PDF tool, which lets you lock documents with the passwords you create here.

10 Real-World Use Cases

1. New online accounts: Create a unique password every time you sign up for a website or app.
2. Email and banking: Replace old or reused passwords on your most important accounts.
3. Password manager master key: Generate a long password (20+ characters) to protect your vault.
4. Wi-Fi networks: Create a strong router key with look-alike characters removed for easy sharing.
5. Protecting PDFs: Lock confidential documents using our Protect PDF tool with a generated password.
6. Developer secrets: Create random strings for test accounts, database users or temporary tokens.
7. Small business staff accounts: Give each employee a unique starting password.
8. Shared family devices: Set strong PINs and passwords for parental-control accounts.
9. Replacing breached passwords: When a service reports a data breach, generate a fresh password right away.
10. Exam and job portals: Use unique passwords for government and education portals that store personal data.

How Attackers Actually Crack Passwords

Understanding the common attack methods explains why length and randomness matter so much:

• Credential stuffing: Attackers take email and password pairs leaked from one website and try them on banking, email and shopping sites. A unique password for every site stops this completely.
• Dictionary attacks: Cracking tools try millions of common passwords, words, names and keyboard patterns like “qwerty” or “india@123” before anything else.
• Rule-based guessing: Tools automatically add years, capital letters and symbol substitutions (“Password” → “P@ssw0rd2026”), so these tricks add very little strength.
• Brute force: Trying every possible combination. This is only practical against short passwords — each extra random character multiplies the work many times over.
• Phishing: Fake login pages trick people into typing their password. No password can protect against this on its own, which is why two-factor authentication is important.

A randomly generated password defeats the first four methods because it contains no words, no personal details and no predictable pattern. Combined with two-factor authentication, it also limits the damage from phishing.

Why You Should Use a Password Manager

Strong, unique passwords are impossible to memorize for dozens of accounts — and that is fine. A password manager stores them in an encrypted vault protected by one long master password, fills them in automatically and warns you about reused or breached passwords. Popular options include the managers built into Google Chrome, Apple devices (iCloud Keychain) and Microsoft Edge, as well as dedicated apps. Use this generator to create the master password itself (20 or more characters, or a long random passphrase), write it down once and keep it somewhere physically safe until you have memorized it.

Browser Support and Limits

The generator relies on the Web Crypto API, which is supported by every modern browser — Chrome, Edge, Firefox, Safari, Samsung Internet and Opera, on both desktop and mobile. Passwords can be 6 to 64 characters long; most websites accept up to 64 characters, but if a site has a lower maximum, simply move the slider down. Nothing is stored between visits, so copy the password into your password manager before closing the page.

Common Mistakes to Avoid

• Reusing passwords: One breach can unlock every account that shares the same password.
• Short passwords: Eight characters is no longer enough for important accounts; aim for 16+.
• Personal information: Names, birthdays, phone numbers and pet names are the first things attackers try.
• Simple substitutions: “P@ssw0rd” is well known to cracking tools and is not strong.
• Saving passwords in plain notes: Use a password manager instead of a text file, screenshot or chat message.
• Skipping two-factor authentication: Always enable 2FA where it is available.

Password Generator — Key Facts

Frequently Asked Questions

Explore More Prompt Minds Tools

Password Generator works great alongside our other free tools such as QR Code Generator, Word Counter, JSON Formatter, Color Picker. Every Prompt Minds tool runs entirely in your browser — no sign-up, no uploads, no watermarks. Browse all free tools.