HP Warranty is a free Chrome addon developed by OUBRECHT.com. This addon is designed to automatically fill in the serial number on the HP warranty form, specifically in the "wFormSerialNumber" field in the URL. It is intended for use with specific HP warranty check URLs.

The addon works seamlessly by automatically filling in the serial number when the URL matches the specified format. This includes URLs such as:

Please note that this addon is unofficial and is primarily targeted towards companies with their own computer inventory software. It is specifically useful for those who require quick access to warranty information. For the general public, this addon may not be necessary.