Secure Password Generator
Generate strong, random passwords from the browser's cryptographically secure random source, with control over length and character sets and a live strength estimate as you go. Every password is created locally and never transmitted or stored.
- 100% free
- Private & safe
- Runs in your browser
Read our complete guide: UUID v4 vs UUID v7: Key Differences and When to Use Which
Why use Password Generator?
Password Generator runs locally using your browser's built-in cryptography, so passwords, keys and hashes are never uploaded or logged.
- Runs instantly in your browser — nothing to install, nothing uploaded.
- Completely free, with no account, no watermarks and no usage limits.
- Handles Character sets: lowercase, uppercase, numbers, symbols; Length up to 64.
- Choose a length and which character sets to include.
- Works on any device — desktop, tablet and phone — and is fully keyboard accessible.
How to use Password Generator
- Choose a length and which character sets to include.
- Optionally exclude ambiguous characters like Il1O0.
- Read the strength estimate and regenerate as needed.
- Copy the password into your password manager.
Examples
- Creating a 20-character password with symbols.
- Generating a numbers-only PIN-style code.
Supported formats & limits
- Character sets: lowercase, uppercase, numbers, symbols
- Length up to 64
Limitations
- This generates passwords but does not store them — use a password manager.
- Strength is an estimate based on length and character-set size.
Frequently asked questions
Is the randomness secure?
Yes. It uses the Web Crypto secure random source, never Math.random.
Are passwords saved anywhere?
No. They are generated in your browser and never transmitted or stored.
What length should I use?
Aim for 16+ characters with mixed sets for strong security.
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