Professional Hardware Testing Tools — Fast, Accurate, Free
Detect screen defects, dead pixels, color issues, audio problems and input failures in minutes. Trusted by technicians, refurbishers and power users.
Why professionals use TestrHub
- Accurate test patterns designed to reveal real hardware defects
- No installation — works directly in your browser
- Full-screen & distraction-free testing
- Free and accessible on desktop, laptop and mobile devices
Who is TestrHub for?
Repair technicians
Quickly diagnose screens, inputs and audio before or after repair.
Refurbishers & Resellers
Verify device quality before resale and reduce returns.
Gamers & power users
Detect ghosting, color banding, input lag and dead pixels.
Everyday users
Check a new or used device in minutes.
Available Testing Tools
Screen Test
Identify dead pixels, color accuracy issues, brightness uniformity and ghosting.
Open Screen Test