Contact Screen Size Checker
Messages go to Noble Erne, LLC, who maintains this site. Expect a reply within two business days.
Device and browser combinations that report something surprising are worth sending, especially foldables, tablets in split view, and high-DPI external displays.
For a bug, including your browser and what you expected to happen turns a vague report into something fixable the same day.
Corrections
Found an error in a guide? Send the page URL and the specific claim you are disputing. Every correction is reviewed by Noble Erne, LLC, and pages that change get an updated review date so the fix is visible.
Publisher and business enquiries
screensize.dev is owned and operated by Noble Erne, LLC, established 2026. A postal address for legal or business correspondence is available on request by email.
Advertising, licensing, and partnership enquiries go to the same address. Guest post and link insertion requests are declined without reply.
Privacy requests
This site holds no account data, so there is usually nothing to request or delete. If you have a specific question about how data is handled, the privacy policy covers it and the email above reaches a person who can answer follow-ups.