System Tools

Network utilities and diagnostics (browser-safe).

Free System Tools — browser-based and private

Every tool in System Tools runs in your web browser when possible, so files and text stay on your device. Pick a utility below, read the guide on each tool page, and use related links to move between similar features. No account is required to start.

Tools Directory

01. Internet Speed Test (Simulation)

免费 Internet Speed Test (Simulation) 在线.

02. IP Checker

免费 IP Checker 在线.

System utilities include an on-demand public IP lookup and an educational speed-test simulation. We label simulations clearly so they are never mistaken for real network benchmarks.

The IP checker only requests data when you click the button, using a free public API (ipify.org).

What you can do here

Optional IP lookup on demand
Clearly labeled speed simulation
No hidden tracking
Transparent third-party API use

Frequently Asked Questions

Is the speed test real?

No. The speed test is a demonstration simulator with random demo values and does not measure your connection.