About Sysadmin Tools

A small collection of free, no-login utilities for IT professionals. Built because the existing options are either bloated with ads, slow, or stuck in 2008.

What we don't do

• We don't require an account.
• We don't run third-party tracking scripts.
• We don't log your DNS lookups or your IP address. DNS queries run server-side but are not persisted.

How it's built

Next.js, TypeScript, Tailwind. DNS lookups use dig directly via child_process. Subnet math runs in your browser. Your IP is detected from request headers and is not stored.

Get in touch

Found a bug or have a tool suggestion? Open an issue on GitHub.