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DCPROSENS is run by one person, so every message lands with the person who can actually fix the thing you are writing about. Replies normally go out within two business days.

Reporting a wrong conversion

This is the message I most want to receive. Games get patched and a yaw constant can change with them. To make a correction fast to verify, include the game, your DPI and in-game sensitivity, and the cm/360 you measured in-game. A config line or a patch note is even better. Corrections are made to the shared game data, so a single fix propagates to the converter, the per-game pages, the pro profiles and the public dataset at once.

Asking for a game to be added

A game only ships once its yaw can be traced to a real source — an engine confirmation, a published constant, or a measurement anyone can reproduce. If you can point at one, the game usually goes live the same week. If the only figure available is community-measured, it can still be added, but it ships marked unverified so nobody builds muscle memory on a number I cannot stand behind.

Press, partnerships and advertising

Media kit and ad placements are on the advertise page. Paid placement never buys a recommendation in the mouse or gear databases — those are ranked on published specs, and the specs are shown so you can disagree with the ranking.

Reporting a bug in a tool

Everything here runs in your browser, so the two details that make a bug reproducible are which browser you were using and what you did immediately before it broke. Screenshots help; a screen recording helps more. The tools that use Pointer Lock — the sensitivity test, the aim trainer and Aim Lab — behave differently across browsers and occasionally fight with browser extensions, so mention any extension that overlays the page.

Account, billing and privacy

For subscription or refund questions, write from the email address on the account so it can be matched without extra back-and-forth. Data requests — export or deletion — are handled through the same address; see the privacy policy for what is stored and for how long.