Good Password Generator: What Makes a Generator Worth Using

With dozens of password generators available online, how do you identify a good password generator worth trusting with your security? Not all generators are equal — some use weak randomness, send data to servers, or track your activity. Here are the seven criteria that define a truly good tool.

The 7 Criteria of a Good Password Generator

1. Cryptographic Randomness ✅

Uses crypto.getRandomValues(), not Math.random(). This is non-negotiable — predictable randomness means predictable passwords.

2. Client-Side Operation ✅

All generation happens in your browser. No passwords sent to servers, no network requests, works offline.

3. Customizable Output ✅

Control over: length (wide range), character types (toggle each), and format. Different services have different requirements.

4. Strength Feedback ✅

Shows entropy, crack time, and character analysis — not just a green/yellow/red indicator.

5. No Account Required ✅

Instant use without signup, email, or registration. Your identity shouldn’t be tied to your password creation.

6. Free and Unlimited ✅

No artificial limits, no premium features behind paywalls, no trial periods.

7. Privacy-Respecting ✅

Zero analytics, zero cookies, zero tracking scripts. A password generator that spies on you defeats its own purpose.

Generator Comparison

Generator	CSPRNG	Client-Side	Free	No Account	Privacy
GeneratedPassword.com	✅	✅	✅	✅	✅
LastPass Generator	✅	✅	✅	✅	⚠️
1Password Generator	✅	✅	✅	✅	⚠️
Bitwarden Generator	✅	✅	✅	✅	✅
Norton Generator	✅	✅	✅	✅	❌

See our detailed comparison of best free password generators.

Our Good Generator Suite

Tool	Specialty	Link
Password Generator	All-purpose, customizable	Use →
Strong Password Generator	Maximum security	Use →
Secure Password Generator	Privacy-first	Use →
Random Password	Pure cryptographic random	Use →
Password Maker	Custom specifications	Use →
Passphrase Generator	Memorable word-based	Use →
WiFi Password Generator	Network + QR codes	Use →
PIN Generator	Random numeric PINs	Use →
Username Generator	Unique usernames	Use →
BCrypt Generator	Developer hashing	Use →

Length-specific: 8-char · 10-char · 12-char · 15-char · 16-char

After Generating

1. Check strength: Password Checker
2. Store it: Password Manager Guide
3. Add 2FA: Two-Factor Authentication Guide
4. Stay safe: Password Leak Check Guide

Use a good password generator now →