Openmouse WebHID Browser App: DPI & Button Control

A new open-source project called Openmouse wants to replace manufacturer mouse software with a hardware-agnostic control panel that runs inside your web browser—at least for now. The team behind the effort says it’s building a browser-based app that uses WebHID on Chromium browsers, bringing settings like DPI and button mappings under one interface across multiple mouse brands.

What Openmouse is, and where it will run

Openmouse is being developed as a cross-platform alternative to proprietary mouse configuration tools. The project’s plan is to deliver its control panel through open-source software that runs in the browser via the WebHID interface.

Supported operating systems: macOS, Linux, and Windows
Supported browsers (for now): Chromium-based browsers such as Google Chrome, Brave, and Microsoft Edge
Not supported (per current info): Apple Safari and Firefox

The project is currently in an early development phase, but the developers have shared a concept preview of how configuration could look for supported mice.

Which mouse brands the project aims to cover

Openmouse is designed to be used across multiple manufacturer ecosystems. The developers list several mouse brands as targets, including:

Logitech
Razer
Pulsar
Endgame
Orbital
WLMouse
Ninjutso
Other unspecified brands

For Logitech, the project also indicates that support for HITS technology is already being worked on. The developers note that this sensor technology currently appears only in selected Logitech mice.

Example: what can be configured on a Logitech Superlight 2C concept preview

In a concept preview built around a Logitech Superlight 2C, the Openmouse interface shows a set of “safe settings” that users can view and monitor. The preview also demonstrates which options are intended to be editable.

Safe settings shown in the preview

Battery status / charge level
Firmware version
Active connection mode

Settings the developers say you can change

DPI values
Polling rate (report rate)
Lift-off distance (the point at which the sensor stops transmitting data when the mouse is raised)
Movement synchronization

Planned interface structure

The developers say the UI is organized into multiple tabs, including:

Performance
Buttons
Profiles

They also clarify that these tabs are still under construction in the current development stage.

Planned features: wireless support and offline configuration

Openmouse’s roadmap includes configuration options beyond the current browser-based setup. The developers say they plan to add support for wireless mice and offline configuration, described as similar to the functionality offered by Wootility.

Early access and how to request support

An early-access test is expected to begin soon. Interested users will be able to submit feature requests and requests for additional supported devices through the project’s official Discord server.

Quick context: why browser-based HID control matters

Because Openmouse is built around WebHID within Chromium-based browsers, it’s fundamentally tied to browser support for HID access. The current limitation is also reflected in the stated browser compatibility: Chromium browsers are supported, while Firefox and Safari are not (for the time being).