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Logitech & Razer device configurator

About the Logitech & Razer Device Configurator

Configure Logitech mice, keyboards, headsets and wireless receivers directly in the browser over WebHID: DPI levels and polling rate, button mapping and lighting stored in onboard profiles, SmartShift and scroll direction, Fn keys and game mode, sidetone and equalizer, Easy-Switch hosts, and pairing or unpairing devices on Unifying, Logi Bolt and LIGHTSPEED receivers. Razer mice get DPI, DPI stages, polling rate, sleep timer and low-battery mode. The page asks every device which features it supports and shows only those. No installation, no account and no tracking.

Which Logitech devices can I configure here?

Devices that speak Logitech's HID++ 2.0 protocol: most gaming and office mice, keyboards and wireless headsets connected with a USB cable, over Bluetooth, or through a Unifying, Logi Bolt or LIGHTSPEED receiver. The page asks each device which features it has and only shows those. Very old HID++ 1.0 devices are listed with basic information only.

Which Razer mice can I configure here?

Razer mice that use Razer's 90-byte USB control protocol — most models since 2012, wired or through their HyperSpeed receiver or Mouse Dock, for example DeathAdder, Viper, Basilisk, Naga, Cobra and Pro Click. The page can change DPI, DPI stages, polling rate (up to 8000 Hz where supported), the sleep timer and the low-battery mode; the settings are stored in the mouse. Lighting and button mapping of Razer mice are not supported yet, and newer models with a different protocol (such as the Viper V4 Pro) do not answer. Quit Razer Synapse first.

Do I need Logitech G HUB, Logi Options+ or Razer Synapse?

No. Close G HUB, Options+ and Synapse while you use this page, because they talk to the same device and can overwrite or undo the changes you make here.

Are the settings saved on the device?

Changes to onboard profiles (DPI levels, polling rate, button mapping and lighting of gaming mice and keyboards with onboard memory) are written to the device's memory, verified by reading them back, and work on every computer. Other settings are applied immediately; many devices keep them until they are switched off or moved to another computer.

Which browsers are supported?

Browsers with WebHID: Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers on Windows, macOS, Linux and ChromeOS. Firefox, Safari and mobile browsers do not support WebHID; you can still explore the interface with the built-in demo.

Can I undo changes to onboard memory?

Yes. The Profiles tab can save a backup of the onboard memory to a file and restore it later, and it can reset the onboard profiles to the factory defaults stored in the device's read-only memory.

Is any data sent to a server?

No. The page talks to your devices locally through the browser. Nothing is uploaded; exports and backups are saved as local files.

This is an independent tool and is not affiliated with Logitech or Razer. Logitech, Logi, G HUB, Logi Options+, LIGHTSPEED, Unifying and Logi Bolt are trademarks of Logitech; Razer, Synapse and HyperSpeed are trademarks of Razer Inc. More free hardware tests: Mouse Test · Keyboard Test · Gamepad Test · Microphone Test · Tone Generator — or browse all BeogradPC tests.

Help — Logitech & Razer Configurator

Connect device opens the browser's device list. Pick the Logitech device — for wireless devices pick the receiver (often listed as “USB Receiver”); its paired devices appear in the list on the left. Razer mice are listed by name; a Razer receiver can appear twice — if the mouse does not answer, add it again and pick the other entry. Devices you allowed before reconnect automatically when you return to the page. Demo (next to Help) loads virtual devices so you can explore everything without hardware; nothing is sent to real devices.

Each device shows only the tabs it supports: Sensor (DPI levels, polling rate), Buttons, Lighting, Scrolling (SmartShift, wheel direction), Keyboard (Fn keys, game mode, OS layout), Audio (sidetone, equalizer, auto power-off), Profiles (onboard memory, backup, factory reset), Connection (Easy-Switch, unpairing) and Advanced (feature list, raw HID++ console).

Onboard memory vs. host mode. Gaming devices with onboard memory store DPI levels, polling rate, button mapping and lighting in up to five profiles. Edits made here are collected in a working copy and written when you press Save to device; every write is verified by reading it back. In host mode the device follows software (such as G HUB) instead — switch back to onboard memory in the Profiles tab to use the stored settings without software.

Razer mice. Sensor (DPI, DPI stages, polling rate), Power (battery, sleep timer, low-battery mode) and Advanced (a raw console for the Razer protocol). Razer mice do not describe themselves, so the page reads every setting and shows those the mouse answered; every change is read back to check it. Lighting and button mapping are not supported for Razer yet. Quit Razer Synapse first; on macOS the browser needs the Input Monitoring permission.

Newer Logitech mice (PRO X SUPERLIGHT 2, PRO X2 SUPERSTRIKE and others with profile formats 6–8) refuse live DPI changes while they run from onboard memory. Edit the DPI levels (each with its own lift-off distance) and the wireless / cable polling rates of the profile and press Save to device to keep them; for a quick temporary change the page offers host mode.

Pairing. Select a receiver to see its paired devices, unpair a slot, or pair a new device (Unifying and LIGHTSPEED: switch the device on or press its connect button while pairing is open; Logi Bolt: the page shows a passkey to type or a click sequence).

Privacy: everything runs locally in your browser (strict CSP, no network requests). Settings of this page are stored in localStorage under the logitest: prefix: logitest:tab (last opened tab) and logitest:autoconnect (reconnect to devices you allowed). The color theme is shared by all BeogradPC tests under bpc:theme. Export creates a local JSON file with your browser user agent, platform, language and screen size plus, for each connected device: name, model and product IDs, firmware versions, serial or unit ID, battery, supported features and current settings (for Razer mice also the protocol transaction ID). Onboard-memory backups contain the raw profile data of the device.

Independent tool, not affiliated with Logitech or Razer. Changing settings is at your own risk; keep a backup of onboard memory before large changes.

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