Your testing toolkit, one click away.
Check DNS speed, internet speed, battery charging, mobile signal, serial numbers, and CPU and RAM health, or reach for the calculator and unit converter. Pick a tool and start in seconds.
- Runs in your browser
- Nothing to install
- Opens in a new tab
Pick a tool
Each tool opens in its own tab, so this page is always here when you want to switch.
Good to know
Your place stays open
Tools open in a new tab. Close one and you are back here.
Keyboard friendly
A tool will not open?
Keep every tool file in the same folder as this page and check the file name.