Password Strength Analyzer with Custom Wordlist Generator

A comprehensive Next.js web application that analyzes password strength and generates custom wordlists for security testing purposes.

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Live preview: Password Strength Analyzer

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Features

Password Strength Analysis

• Real-time password strength evaluation using zxcvbn
• Custom entropy calculations
• Visual feedback on password quality
• Recommendations for improvement

Custom Wordlist Generation

• Generate personalized wordlists based on user inputs
• Include common patterns like leetspeak transformations
• Append years, numbers, and special characters
• Export wordlists in .txt format for security tools

User Input Categories

• Personal information (names, dates, pets)
• Common password patterns
• Custom word combinations
• Automatic pattern variations

Tech Stack

• Frontend: Next.js 14 with React
• Styling: Tailwind CSS
• Password Analysis: zxcvbn library
• File Export: Browser download API
• Pattern Generation: Custom algorithms

Installation & Setup

# Clone and navigate to project
cd project

# Install dependencies
npm install

# Run development server
npm run dev

# Build for production
npm run build

Usage

1. Password Analysis:

   • Enter password in the analyzer
   • View real-time strength feedback
   • Get recommendations for improvement

2. Wordlist Generation:

   • Input personal information (names, dates, pets)
   • Select pattern variations (leetspeak, years)
   • Generate custom wordlist
   • Export as .txt file

Security Note

This tool is designed for educational and authorized security testing purposes only. Use responsibly and only on systems you own or have explicit permission to test.

Outcomes

• Password security best practices
• Wordlist attack methodologies
• Web application development with Next.js
• Client-side security tool development

This is the final project that I made as part of my cybersecurity internship at Elevate Labs.