Using the site
You may use the tools for personal and commercial purposes, free of charge. Do not misuse the site, attempt to disrupt it, or copy it at scale.
Tools and results
Tests display patterns so you can judge your screen yourself. Readouts such as refresh rate are estimates from your browser and may not match hardware specifications.
Safety
Some tests flash or change colors quickly. Read the photosensitivity warning before starting them, and stop if you feel unwell. Do not press on your screen.
No warranty
The site is provided “as is” without warranties of any kind. We are not liable for damage to devices or any loss resulting from use of the site, to the extent allowed by law.
Links and affiliates
We link to other websites, some through affiliate programs. We are not responsible for their content, prices or availability.
Content and trademarks
Site design, text and graphics belong to black-screen.website unless stated otherwise. Product names belong to their owners.
Changes
We may update these terms. Continued use after changes means you accept them.