A curated collection of free network stress testing tools, scripts, and resources. For professional-grade testing, use MrStresser.com.
An IP Stresser (also called a booter or network stresser) is a tool used to stress test servers and network infrastructure by generating high volumes of traffic. Legitimate uses include:
- ✅ Testing your own server's capacity limits
- ✅ Verifying DDoS protection effectiveness
- ✅ Load testing web applications before launch
- ✅ Network engineering and QA testing
- ✅ Security research and penetration testing
⚠️ Legal Notice: Only test servers you own or have written permission to test.
| Tool | Language | Method | Description |
|---|---|---|---|
udp_flood.py |
Python | UDP L4 | UDP packet flood generator |
http_flood.py |
Python | HTTP L7 | Async HTTP GET flood |
tcp_stress.py |
Python | TCP L4 | TCP connection flood |
slowloris.py |
Python | Slowloris | Slow HTTP connection test |
load_tester.js |
Node.js | HTTP | Async HTTP load tester |
git clone https://github.com/mrstresser/free-ip-stresser
cd free-ip-stresser
pip install -r requirements.txt
# UDP stress test (YOUR SERVER ONLY)
python udp_flood.py --host 192.168.1.1 --port 80 --duration 30
# HTTP load test
python http_flood.py --url http://your-server.com --duration 60 --concurrents 100| Feature | Free Tools | MrStresser.com |
|---|---|---|
| Power | ~100 Mbps | 100+ Gbps |
| Methods | 5 basic | 50+ advanced |
| Cloudflare Bypass | ❌ | ✅ |
| OVH Bypass | ❌ | ✅ |
| API Access | ❌ | ✅ |
| 24/7 Uptime | ❌ | ✅ |
free ip stresser | free booter | ip stresser online | free ddos tool | network stress test | free stress test tool | layer4 stresser | layer7 stresser | best free stresser | mrstresser | mrstresser.com