Free Password Generator

Create strong, random, secure passwords instantly — with a live strength meter

Generate cryptographically secure passwords with custom length, uppercase, lowercase, numbers, and symbols. Exclude ambiguous characters, generate in bulk, and copy with one click. Nothing is stored — everything runs in your browser.

100% free

Nothing stored

No sign-up required

Free Password Generator — Strong & Secure Passwords

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Generate Multiple Passwords

Password Length 16

Uppercase Letters (A–Z)

Lowercase Letters (a–z)

Numbers (0–9)

Symbols (!@#$%^&*)

Exclude ambiguous characters (l, 1, I, O, 0) Avoid repeating characters

Why a Strong Password Still Matters in 2026

Credential stuffing and brute-force attacks target weak, reused passwords first

Data breaches expose billions of password/email combinations every year, and attackers use automated tools to try those same credentials across other sites — a technique called credential stuffing. A strong, unique, randomly generated password for every account is still the single most effective defense against account takeover, alongside two-factor authentication.

This tool uses your browser's built-in crypto.getRandomValues() API — a cryptographically secure random number generator, the same class of randomness used by password managers and operating systems for generating encryption keys. Nothing is transmitted or logged; the password never leaves your device.

Password Length vs. Time to Crack

Estimated brute-force time assuming mixed-case letters, numbers & symbols (100 billion guesses/sec)

Length	Character Set	Estimated Crack Time	Recommended Use
8	Mixed	Minutes to hours	Avoid — too weak
10	Mixed	Several days	Low-value accounts only
12	Mixed	~200 years	Minimum for most accounts
16	Mixed	Trillions of years	Recommended standard
20+	Mixed	Effectively uncrackable	Banking, email, password managers

Password Security Best Practices

🔑 Never Reuse Passwords

Use a unique password for every account. If one site is breached, reused passwords let attackers access all your other accounts through credential stuffing. A password manager makes unique passwords practical to use everywhere.

📏 Prioritize Length Over Complexity

A longer password is exponentially harder to crack than a shorter one with more symbol requirements. Aim for 16+ characters — length matters more than forcing obscure special characters.

🔐 Always Enable 2FA

Two-factor authentication stops most account takeovers even if your password is compromised. Use an authenticator app rather than SMS where possible, since SMS can be intercepted via SIM swapping.

🗄️ Use a Password Manager

Storing generated passwords in your browser or on paper is risky. A password manager (Bitwarden, 1Password) securely stores and auto-fills unique passwords for every site.

🚫 Avoid Personal Information

Never use names, birthdates, or dictionary words — these are the first patterns attackers try. Randomly generated passwords eliminate this weakness entirely.

🔄 Rotate Passwords After a Breach

If a service you use reports a breach, change that password immediately — and any other account where you reused it. Services like Have I Been Pwned can alert you to exposures.

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Frequently Asked Questions

Yes. Codify Infotech's Password Generator is 100% free with no signup, no login, and no limits on how many passwords you generate.

No. All passwords are generated directly in your browser using JavaScript's cryptographically secure random number generator. Nothing is sent to, logged, or stored on our servers at any point.

Security experts recommend at least 12 characters for regular accounts and 16+ characters for sensitive accounts like email, banking, and password managers. Each additional character exponentially increases the time needed to crack a password by brute force.

Yes. Mixing uppercase, lowercase, numbers, and symbols dramatically increases the character pool an attacker must search through, making brute-force attacks exponentially harder. A 16-character password with all four character types can take centuries to crack with current technology.

Yes. Human-created passwords tend to follow predictable patterns (names, dates, keyboard patterns) that attackers specifically target with dictionary and pattern-based attacks. A truly random password has no predictable pattern, making it far more resistant to cracking.

It's a random number source designed specifically for security purposes, unlike standard pseudo-random functions. This tool uses the browser's built-in crypto.getRandomValues() API, the same secure randomness source used by password managers and browsers for generating encryption keys.

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