Terms of Use and Disclaimer

Using the tests

The tests are free to use.

Safety

• Turn the volume down before the speaker test. Loud sounds can damage hearing and speakers.
• The dead pixel test switches full-screen colors. Take care if you are sensitive to light.

Not allowed

• Interfering with the operation of the site
• Copying the content or code to other sites without permission

Disclaimer

Results are guidelines based on what your browser receives and do not determine or guarantee that a device is faulty or working. The OS, browser, drivers or other apps can affect measurements. For repair, replacement or return decisions, check with the manufacturer or retailer support and official diagnostic tools. The operator is not liable for any loss arising from use of the site.

Effective: 2026-10-29