Electronics

Free, private electronics that run entirely in your browser — no upload, no account. Pick a tool below; more land here as they ship.

Keyboard Tester

Test keys for dead keys, ghosting & rollover

How Keyboard Tester works?

Conduit Fill Calculator

Conduit fill % calculator — EMT, PVC, Cat6, THHN

How Conduit Fill Calculator works?

Pure Red Screen

Red screen test for dead pixels & OLED burn-in

How Pure Red Screen works?

Every tool runs in your browser — no upload, no account, free.