PassRule - Passwords Matching Any Site's Rules

Generate secure passwords that match any website's rules - locally, safely, instantly.

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Added Jul 2026

passrule.org

Free Password GenFreefree-password-gen

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What is Passrule?

PassRule is a browser-based password generator that creates secure passwords matching specific website requirements. It uses Web Crypto API for local, secure randomness without storing or transmitting generated passwords. Users can customize length, character types, symbols, and exclude similar characters to match any site's rules. Ideal for security-conscious individuals and teams managing multiple accounts with varying password policies.

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Key Features of Passrule

Local password generation with Web Crypto API
Password length customization (any range)
Include/exclude uppercase, lowercase, numbers, symbols
Custom character rules matching site requirements
Exclude similar characters (O, 0, I, l, 1)
Memorizable passphrase generation mode
Batch password generation (multiple at once)
Requirement mode for website-specific rules
Rule checklist verification
No storage, sending, or logging of passwords

Who Should Use Passrule?

Generate passwords for accounts with strict character requirements

Create secure passphrases for frequent manual typing

Match banking or corporate password policies

Bulk password creation for team account setup

Generate passwords excluding problematic symbols for difficult forms

Passrule: Pros & Cons

✓Pros

Passwords generated locally in browser with no server transmission
Matches any website's specific password requirements
Web Crypto API ensures cryptographically secure randomness
Supports both complex passwords and readable passphrases
Rule checklist helps verify compliance before submission
No account or login required
Multiple language support
Free to use

Frequently Asked Questions about Passrule

Are generated passwords uploaded anywhere?

No. Passwords are generated in your browser and are not sent to a server.

Can I match a site's exact password rules?

Yes. Use Website Requirement Mode to set length, required character types, allowed symbols, and custom rules to match any site's requirements.

How do I know the passwords are secure?

PassRule uses the Web Crypto API for cryptographically secure randomness and generates passwords locally in your browser without any server involvement.

Should I use longer or more complex passwords?

Longer passwords are usually stronger than short complex passwords. PassRule recommends using the longest length your site allows.

Tool Details

Pricing: Free
Languages: English, Español, Português (BR), Deutsch, Français, 日本語, 简体中文, 繁體中文
Category: Free Password Gen
Added: Jul 2026