Password Generator - Free Online Tool
Generate strong, secure passwords instantly with this free tool. Random characters or memorable passphrases with entropy display, crack time estimates, and batch generation.
Generate strong, secure, and random passwords instantly
Password Generator Features
- Cryptographically Secure: Uses browser crypto API for truly random, unpredictable password generation
- Random + Passphrase: Generate random characters or memorable passphrases with custom separators
- Entropy & Crack Time: See entropy bits and estimated crack time for every password in real-time
- Batch Generation: Generate 5, 10, or 20 passwords at once with one-click copy for each
- Full Customization: Control length, character types, exclude similar characters, and passphrase options
- One-Click Copy: Copy individual or all batch passwords to clipboard instantly
How to Use Password Generator
Create strong passwords in three easy steps
- Step 1: Choose Mode — Pick random characters for maximum security or passphrase for memorability
- Step 2: Customize — Set length, character types, separators, and exclude confusing characters
- Step 3: Generate & Copy — Copy your password or batch-generate multiple passwords at once
Frequently Asked Questions about Password Generator
Is the Password Generator free?
Yes, completely free with no signup, no limits, and no data collection. Generate unlimited passwords.
Are the passwords truly random?
Yes, we use the browser's crypto.getRandomValues() API which provides cryptographically secure randomness — the same standard used by security software.
What's the difference between random and passphrase mode?
Random mode creates strings like 'k$9Fv!2pLm' for maximum security. Passphrase mode creates memorable phrases like 'Castle-River-Phoenix-42' that are easier to remember but still very strong.
How long should my password be?
At least 12 characters for random passwords (16+ recommended) or 4+ words for passphrases. Our entropy display shows exactly how secure each password is.
What does the crack time estimate mean?
It estimates how long it would take to brute-force your password at 1 trillion guesses per second. Higher entropy = longer crack time = more secure.
Does the tool store my passwords?
No. Passwords are generated entirely in your browser and never stored, transmitted, or logged anywhere.
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