Service provided as available
The site is provided as available without a guarantee that every browser, device, input mapping, or accessibility environment will expose the same events. Features may change to improve accuracy, security, accessibility, or maintainability. You are responsible for preserving your own work before testing input in another application or changing system settings.
Results should be considered alongside operating-system settings, official manufacturer support, application behavior, and qualified repair advice. Do not use this general website as the sole basis for safety-critical, warranty, purchasing, or repair decisions.
Acceptable use
You may use the public tools for personal testing, debugging, education, and support communication. Do not use automated traffic, attacks, scraping that disrupts service, attempts to bypass security, or activity that harms the site or other users. Do not misrepresent session output as a certified measurement or claim endorsement by this site.
Content and intellectual property
The site’s original copy, interface design, illustrations, and source arrangement are protected to the extent applicable. Standard names such as WheelEvent and linked technical specifications belong to their respective standards and authors. You may quote brief portions for commentary with attribution, but may not republish the site as a deceptive copy or imply affiliation.
Liability and updates
To the extent permitted by applicable law, the site is not responsible for loss caused by unsupported diagnosis, unsafe cleaning, disassembly, remapping, or reliance on an incomplete browser observation. Nothing here excludes rights that cannot lawfully be excluded. These terms do not invent a registered company, office, or governing jurisdiction. Updates will be posted with the content date, and continued use after an update means the current terms apply.