🌐 NetStress - High-Performance Network Bandwidth Stress Tester

A lightweight, cross-platform Python tool for stress testing network bandwidth and measuring maximum throughput. Perfect for:

• 🔧 Network Engineers: Test QoS (Quality of Service) configurations
• 🏠 Home Users: Find out your real-world maximum download speed
• 🛡️ Sysadmins: Validate bandwidth limits and traffic shaping rules
• 📡 ISP Testing: Verify you're getting the speed you're paying for

✨ Features

Feature	Description
🚀 Multi-Threaded	10 parallel download streams for maximum saturation
💾 Zero Disk Usage	Downloads directly to memory, no temp files created
⚡ Instant Stop	Clean shutdown with Ctrl+C - no orphan processes
🌍 Global CDN	Uses Cloudflare's edge network for consistent speeds worldwide
🪶 Lightweight	Single file, minimal dependencies (requests only)

🚀 Quick Start

Installation

# Clone the repository
git clone https://github.com/TheKingYouNeed/NetStress.git
cd NetStress

# Install dependencies
pip install requests

Usage

# Standard version (10 threads)
python netstress.py

# EXTREME version (250 async connections, 5 CDN sources)
python netstress_extreme.py

# Press Ctrl+C to stop at any time

🔥 EXTREME Version

The netstress_extreme.py offers maximum bandwidth saturation:

Feature	Standard	EXTREME
Connections	10	250
CDN Sources	1	5
Technology	Threading	Async I/O (aiohttp)
Live Speed Monitor	❌	✅
Chunk Size	1MB	2MB

Requirements for EXTREME: pip install aiohttp

One-Click Stop (Windows)

Double-click STOP_STRESS_TEST.bat to instantly terminate all running tests.

📊 Example Output

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
   PRO BANDWIDTH SATURATOR (ZERO-DISK EDITION)   
   PARALLEL STREAMS: 10
   DISK USAGE: 0 BYTES (Downloads to memory only)
   PRESS CTRL+C TO STOP INSTANTLY
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

⚙️ Configuration

Edit the constants at the top of netstress.py:

NUM_THREADS = 10  # Increase for more aggressive testing
TEST_FILE_URL = "https://speed.cloudflare.com/__down?bytes=104857600"  # 100MB chunks

🛡️ Responsible Use

This tool is intended for testing your own network infrastructure. Please use responsibly:

• ✅ Test your home/office network capacity
• ✅ Validate ISP speed claims
• ✅ Test router QoS settings
• ✅ Benchmark network equipment
• ❌ Do NOT use on networks you don't own/administer

📋 Requirements

• Python 3.8+
• requests library

📄 License

MIT License - feel free to use, modify, and distribute.

🤝 Contributing

Contributions are welcome! Feel free to:

• Open issues for bugs or feature requests
• Submit pull requests
• Star ⭐ this repo if you find it useful!

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Made with ❤️ for network engineers everywhere