Free tech tools and plain-English fixes

Test your mouse, keyboard, microphone, webcam and screen in seconds, then find out what the result means. Nothing to install, nothing uploaded.

Runs in your browser · Free · No sign-up

Free device tests

Check your hardware before you replace it.

Every button, double-click faults, scroll wheel and polling rate.

Dead keys, chattering switches and how many keys register at once.

Live level and waveform, plus a 5-second recording to hear yourself.

Live picture, real resolution and frames per second.

Full-screen colours to find dead or stuck pixels. No flashing.

Step-by-step fixes for the problems the tests find.

Mouse double-clicking?Settings, wireless and worn-switch fixes, in the right order.

Keys not working?Filter Keys, connection, cleaning and hardware checks.

Mic not working?Eight Windows 11 checks that fix most microphone problems.

Researched comparisons for when you need to buy something.

Fast wired internet over the coax already in your walls, and the port-speed detail most buyers miss.

Which CPU, GPU and RAM matter for your editing workflow.

Tools run in your browserNothing you click, type or test is stored or sent anywhere.

Guides are research-basedWe say how picks were evaluated and never claim testing we haven’t done.

Affiliate links never decide picksSome guides earn a commission. Our tools carry no affiliate links.

An independent site built with a background in systems administration and networking. Test it, fix it, choose it.