Contact

Report a bug, suggest a new tester, or ask a question about DeviceCheck. Include your browser and device so we can reproduce problems with the tools.

Found a bug, want a new tool, or spotted a number that has gone out of date? Email hello@devicecheckhq.com. We read everything and usually reply within a few days.

Please include your browser and device if you are reporting a problem with a tool, since everything runs client-side and behaviour can differ between browsers.

Last updated 2026-09-15. Everything on this page runs in your browser. Nothing you type or upload leaves your device.