We Build Tools for
Network Security
Articles, configurations and free tools crafted for network administrators, IT professionals and everyday users who take security seriously.
Who We Are
SwitchFirewall is a free online resource dedicated to network security education and practical tooling. We write in-depth articles on network security configurations, firewall management, VPN setup, and threat mitigation — content that is equally useful whether you run an enterprise network or a home lab.
Alongside our articles we build and maintain free, browser-based tools that help administrators and users work more securely every day — no login, no data collection, no cost.
Security Articles
Practical guides on firewall rules, network hardening, VPN configurations, intrusion detection and more.
Network Configuration
Step-by-step configuration examples for routers, switches, firewalls and security appliances.
Free Security Tools
Browser-based utilities — password generator, breach checker, strength analyzer, PIN generator and more.
Always Up To Date
We keep our articles and tools current with evolving threats, new CVEs, and changing best practices.
Who We Serve
Our content and tools are designed for anyone who wants to understand and improve their security posture — from seasoned professionals managing enterprise infrastructure to everyday users who just want a stronger password.
Our Tools Are Built With These Principles
- Privacy first — all processing happens in your browser. No data is ever transmitted to our servers.
- No registration required — every tool is free and accessible instantly, no account needed.
- Cryptographically secure — we use the browser's native
crypto.getRandomValues()API for all random generation. - Open and transparent — our methodology is documented so you can verify how tools work.
We're Always Improving
SwitchFirewall is continuously growing. We add new tools, update existing articles, and expand our library based on community feedback and emerging security trends. If you have a suggestion for a tool or topic you'd like us to cover, we'd love to hear from you.
Reach us at switchfirewall.@gmail.com or find us on social media. We read every message.