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🛡️ SecuTools.io - Cybersecurity Toolkit

A comprehensive, production-ready toolkit of essential cybersecurity tools for security researchers, penetration testers, and developers. Built with Next.js 14, TypeScript, and Tailwind CSS.

Next.js TypeScript License

✨ Features

  • 🔐 Cryptography & Encoding: Hash tools, JWT manipulation, PGP encryption, Base64 encoding
  • 🌐 Web & Cloud Security: CORS testing, security headers, URL analysis, device fingerprinting
  • 🎯 Threat Intelligence: IOC extraction, CVE lookups, threat intel checks, QR code analysis
  • 🧪 Penetration Testing: Command injection payloads, JWT fuzzing, file upload validation
  • 🤖 AI Security: Prompt testing, jailbreak detection, toxicity checking, context trimming
  • 📚 Learning: Security tips, prompt engineering, text-to-speech

🚀 Quick Start

Prerequisites

  • Node.js 18+
  • npm or yarn

Installation

# Clone the repository
git clone https://github.com/your-username/secutools-io.git
cd secutools-io

# Install dependencies
npm install

# Start development server
npm run dev

Open http://localhost:3000 in your browser.

🔧 Available Tools (30+ Tools)

🔐 Cryptography & Encoding

Tool Description Status
Hash Tools MD5, SHA1, SHA256, SHA512 calculators ✅ Live
JWT Decoder Decode and verify JSON Web Tokens ✅ Live
JWT Fuzzer Test JWT vulnerabilities with algorithm confusion attacks ✅ Live
Password Utilities Strength checker and secure generator ✅ Live
Hash Identifier Detect hash type from string ✅ Live
String Obfuscator ROT13, Caesar, XOR, Base conversions ✅ Live
Certificate Parser Parse PEM/DER certificates ✅ Live
Hash Collision Demo Visualize MD5/SHA1 collisions ✅ Live
Base64/Base32 Encoder Encode/decode with file support ✅ Live
PGP Key Generator Generate PGP keys, encrypt/decrypt ✅ Live
AES/RSA Encryptor Client-side encryption ✅ Live
Unicode/Hex Converter Convert between formats ✅ Live

🌐 Web & Cloud Security

Tool Description Status
Security Headers Checker Inspect CSP, HSTS, X-Frame-Options ✅ Live
URL Unshortener & Redirect Tracer Expand and trace redirect chains ✅ Live
CORS Tester Detect misconfigured Access-Control headers ✅ Live
CVE Severity Calculator Compute CVSS scores ✅ Live
Device Info Inspector Browser fingerprinting analysis ✅ Live

🎯 Threat Intelligence

Tool Description Status
IOC Extractor Extract IPs, URLs, hashes, emails ✅ Live
CVE Lookup Fetch details from CIRCL CVE ✅ Live
CVE Feed Viewer Browse latest CVEs from NVD ✅ Live
Threat Intel Check VirusTotal/AbuseIPDB integration ✅ Live
WHOIS / RDAP Domain ownership & registration ✅ Live
Email Header Analyzer Trace spoofing & spam origins ✅ Live
QR Code Security Analyzer Scan and analyze QR codes for risks ✅ Live

🧪 Penetration Testing

Tool Description Status
Wordlist Generator Custom password/wordlists ✅ Live
Command Injection Tester 40+ OS injection payloads across 5 categories ✅ Live
JWT Fuzzer Algorithm confusion & claim manipulation ✅ Live
File Upload Validator MIME spoofing & magic byte detection ✅ Live

🤖 AI Security

Tool Description Status
Prompt Template Builder Create reusable structured prompts ✅ Live
Prompt A/B Tester Compare model responses ✅ Live
Context Trimmer Smart token management for LLMs ✅ Live
Jailbreak Tester Test prompt-injection attacks ✅ Live
Toxicity Classifier Detect harmful language ✅ Live

📚 Learning

Tool Description Status
Daily Security Tips Flashcards & rotating advice ✅ Live
PromptShortcuts Quick prompt templates ✅ Live
Text → Voice (TTS) Browser-based text-to-speech ✅ Live

🎨 Design Highlights

  • ✨ Glassmorphic UI: Modern backdrop blur effects
  • 🌈 Gradient Backgrounds: Unique color schemes per category
  • 🎭 Smooth Animations: Slide-in effects and hover states
  • 📱 Fully Responsive: Mobile-first design
  • ♿ Accessible: ARIA labels and semantic HTML
  • ⚡ Fast: Client-side processing where possible

⚙️ Configuration

Environment Variables

Create a .env.local file for API integrations:

# Optional: VirusTotal API key for threat intel
VT_API_KEY=your_virustotal_api_key

# Optional: AbuseIPDB API key for IP reputation
ABUSEIPDB_KEY=your_abuseipdb_api_key

# Optional: LLM API keys for AI tools
OPENAI_API_KEY=your_openai_key
ANTHROPIC_API_KEY=your_anthropic_key

📁 Project Structure

secutools-io/
├── app/
│   ├── api/                    # API routes
│   │   ├── trace/             # URL redirect tracing
│   │   ├── cors-check/        # CORS testing
│   │   └── ...
│   ├── command-injection/     # Command injection tester
│   ├── jwt-fuzzer/            # JWT fuzzer
│   ├── file-upload-validator/ # File upload validator
│   ├── url-trace/             # URL tracer
│   ├── cors-check/            # CORS tester
│   ├── context-trimmer/       # Context trimmer
│   └── ...
├── components/
│   ├── Section.tsx            # Reusable section
│   └── Navigation.tsx         # Header navigation
└── public/                    # Static assets

🚢 Deployment

Vercel (Recommended)

# Install Vercel CLI
npm i -g vercel

# Deploy
vercel

Docker

# Build Docker image
docker build -t secutools-io .

# Run container
docker run -p 3000:3000 secutools-io

Manual Deployment

# Build for production
npm run build

# Start production server
npm start

🛠️ Development

Scripts

npm run dev          # Start development server
npm run build        # Build for production
npm run start        # Start production server
npm run lint         # Run ESLint

Adding New Tools

  1. Create new page in app/[tool-name]/page.tsx
  2. Add API route in app/api/[tool-name]/route.ts if needed
  3. Update app/data.ts with tool metadata
  4. Set isPublish: true to make it visible

🔒 Privacy & Security

  • Client-side Processing: Most tools run entirely in the browser
  • No Data Storage: No user data is stored or tracked
  • Open Source: Full transparency with public codebase
  • API Keys: Optional external API integrations only
  • Ethical Use: All penetration testing tools include ethical use warnings

🤝 Contributing

We welcome contributions! Please see our Contributing Guidelines.

Development Setup

# Fork and clone the repository
git clone https://github.com/your-username/secutools-io.git

# Install dependencies
npm install

# Start development server
npm run dev

Submitting Changes

  1. Create a feature branch
  2. Make your changes
  3. Test thoroughly
  4. Submit a pull request

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

📞 Support

⭐ Star History

Star History Chart

Built with ❤️ for the cybersecurity community

🛡️ SecuTools.io - Your comprehensive security toolkit

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All Cybersecurity Tools Complete toolkit for cybersecurity students and professionals. All tools are free and privacy-focused.

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