Contact WhatFileType

Spotted an error, or have a question? Send a message below.

WhatFileType is an independent reference project, built and maintained by FusionStudios in the Netherlands. Use the form below to report a wrong MIME type or signature, suggest a format to add, or ask anything else.

Corrections are the most useful thing you can send. Include the format, the exact claim that is wrong, and the source that contradicts it; how those sources are weighed is set out in the methodology.