Are passwords generated locally?

Yes, generation uses the browser’s cryptographic RNG and runs entirely on-device; nothing is sent or stored.

What makes a strong password?

Length plus randomness: 16+ characters mixing lowercase, uppercase, numbers, and symbols is recommended.

What’s a passphrase?

A series of random words (e.g., 4–6 words) that’s long and easier to remember; separators and numbers can be added.

How is strength measured?

Strength and estimated crack time are scored by zxcvbn, which detects common patterns and dictionaries.

Can ambiguous characters be excluded?

Yes, toggle to remove look-alikes like 0/O, 1/l/I, and certain punctuation for better readability.

Random Password Generator

Free online random password generator – Fast, accurate, and easy to use

Create strong passwords or passphrases instantly. Local generation, strength meter, and easy copy—free and private.

Strength: Very weak—

Tips for stronger secrets

Use at least 16 characters and include multiple types; longer is stronger. [13] Value-bubble sliders are intuitive for picking length and update the result live for a better UX. [7][5] Keep generation local and avoid reuse; a manager can store unique credentials safely. [13]

Related Security Tools

Password Strength Checker – Check entropy, patterns, crack time Passphrase Generator – Diceware-style memorable phrases Hash Calculator – MD5/SHA family (local)Base64 Encode/Decode – Quick encode/decode utils

Frequently Asked Questions

How to Use This Calculator

Step 1: Choose mode

Password or passphrase based on preference.

Step 2: Set options

Adjust length, character sets, words, and separators.

Step 3: Generate

Results update instantly as options change.

Step 4: Copy or share

Copy to clipboard or share securely.