UserDiag − General Conditions of Use

1. UserDiag

All web services and software of the project are included under the name « UserDiag ».
UserDiag is a project/service aimed at providing a diagnostic tool to retrieve hardware characteristics of a device running on compatible Microsoft Windows operating systems.
This project is carried out by an individual for non-commercial purposes.
The non-profit association CTRL-F holds the rights to use, operate and distribution.
This set is connected to the web service which is (currently) the convergent point, having an API and multiple databases.
The server hosting is provided by Contabo datacenter "Hub Europe" at 2 Rue Taunus, Lauterbourg (67630), France.
Some tools integrated into UserDiag such as HWiNFO, FurMark 2, CPU-Z, Prime95, CrystalDiskInfo, diskspd or PresentMon do not belong to UserDiag.
However, UserDiag has the right to use these tools, granted via their licenses or owners, for non-commercial purposes.
By accessing/browsing the website or using the application provided by UserDiag, you implicitly accept the terms of use.

The user is solely responsible. UserDiag and the persons associated with the project cannot be held liable in case of problems or misuse.
By using it, you agree that all anonymous and non-confidential information collected by UserDiag may be publicly accessible for an indefinite period.
Any modification of the services and applications, creation of derivative works of the software (in whole or in part), reproduction or decompilation is strictly prohibited without prior written authorization from the publisher.
Additionally, third-party tools integrated into UserDiag are subject to their own licenses and terms of use, and the use of these tools must comply with these licenses and terms.
It is prohibited to include UserDiag in a commercial offer or service.
Redistribution of the UserDiag application is authorized only in its original version, without removal or alteration of the project's identification elements (name, logo, without misappropriation).
Any redistribution must also include a link to the official UserDiag website.
Certain services integrated into UserDiag include information and resources that may originate from other websites.
As UserDiag has no control over these resources, you acknowledge and agree that UserDiag cannot be held responsible for the availability or relevance of this content.

Cookies may be created during your use or navigation on the site in order to provide functionalities.
These cookies are stored on your browser even after it is closed, for a period not exceeding one year.

ud_user: UserDiag cookie, provides a button leading to the user's diagnostics on the site.
ud_theme: UserDiag cookie, theme chosen by the user for the site.
ud_locale: UserDiag cookie, language chosen by the user for the site.
cf_clearance: CloudFlare cookie, proof of successful security challenge to access the site.
__cf_bm: CloudFlare cookie, security function.

UserDiag may collect anonymous data at specific times. This data may be collected during your visit to the site, during the download, and during the use of the application when sending the diagnostic.
All data collected during the use of the application is accessible in the diagnostic report once it is completed.
No serial number, MAC address, or other unique information is linked to the diagnostic.
Certain information present in the application's logs may be sent if needed and then automatically deleted after a few hours, for debugging purposes only.
Web server logs containing the IP address and user agent are kept for a maximum of 6 months (6 months maximum are allowed by the CNIL).

The website uses CloudFlare to enhance security and availability. CloudFlare may collect information such as IP addresses and browser information to provide its services.
For more information on how CloudFlare processes information, please refer to their privacy policy.

Licenses: HWiNFO, FurMark 2, CPU-Z, Prime95 (hwloc, libgmp, libcurl, cJSON), CrystalDiskInfo, diskspd, PresentMon

Email: [email protected] - I generally respond within 24-48 hours in my free time.
Discord server: Entraide informatique (FR) - I am present on the server and other community members can help you.
Twitter: SkyEmie_ - I won't see your private messages on Twitter, there are too many bots/spam. However, you can mention me in a tweet, I will see it.

Last update: 2026-03-09