Frequently Asked Questions
Find answers to common questions about our screen testing tools
What is TestaScreen?
TestaScreen provides free, professional-grade screen testing and display calibration tools. Our tools help you detect dead pixels, test color accuracy, check brightness and contrast, and more.
Do I need to install anything?
No! All TestaScreen tools run directly in your web browser. Just visit our website and start testing instantly.
Is it really free?
Yes, completely free. We believe professional tools should be accessible to everyone. No registration, no premium plans, no hidden fees.
Are my results private?
Absolutely. We do not track you, store your data, or use cookies. Your privacy is our priority.
How accurate are the tests?
Our tests are professional-grade, used by photographers, videographers, and IT professionals worldwide. They are as accurate as paid tools costing hundreds of dollars.
What devices are supported?
All devices with a modern web browser - computers, tablets, phones, TVs, and more. Works on Windows, Mac, Linux, iOS, and Android.