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HID Remapper
What it is
HID Remapper is an open-source hardware adapter that changes how USB input devices behave for desktop computing and gaming accessibility. It supports button and axis remapping, layers, macros, and custom behaviors. The remapping runs on the adapter, not through special software on the connected computer, and settings are saved on the device. It accepts standard USB HID devices such as mice, keyboards, many game controllers, wireless receivers, and USB MIDI controllers. In mouse and keyboard mode, it works with hosts running Windows, macOS, Linux, or ChromeOS; mobile devices that support regular USB keyboards and mice may also work. Setup uses a WebHID configuration website that works only in desktop Chrome, though Edge and Opera may also work. The manual says Nintendo Switch works out of the box, while other modern consoles generally need extra effort or adapters. For accessibility, external buttons or switches can connect through GPIO pins, and custom board v6 has 3.5 mm jacks for adaptive buttons. Certain devices can be overclocked up to 1000 Hz. The firmware and optional custom hardware are open source.
For and against
For
- Remapping runs on the device and saves configuration there
- Supports layers, macros, and custom behaviors
- Can connect external switches through GPIO pins
- Firmware and optional custom hardware are open source
Against
- Configuration requires desktop Chrome or possibly Edge or Opera
- Some USB devices may have incompatible HID descriptors
- Other modern consoles may need extra effort or adapters
- It does not pass through webcams or microphones
The verdict
HID Remapper provides hardware-based remapping for many standard USB input devices, with options for macros and adaptive switches. Check device and console compatibility first, and note that configuration requires a supported desktop browser.
Who it suits
HID Remapper may suit people who want to change USB input mappings for desktop use, gaming, or accessibility setups. It is also relevant to users who need hardware-based remapping without software running on the connected computer.
On the record
- Accessibility
- It can connect external buttons or switches through GPIO pins, and custom board v6 provides 3.5 mm jacks for adaptive buttons.remapper.org · read 8 Oct 2026
- Bluetooth version
- A separate Bluetooth version translates Bluetooth LE inputs to USB; it does not support Bluetooth Classic, GPIO, or boot-protocol keyboard operation.remapper.org · read 8 Oct 2026
- Browser configuration
- The configuration website uses WebHID and works only in desktop Chrome; Edge and Opera may also work.remapper.org · read 8 Oct 2026
- Configuration
- Configuration uses WebHID in the desktop version of Chrome; the manual says other Chrome-based browsers such as Edge and Opera might also work.remapper.org · read 8 Oct 2026
- Console compatibility
- The manual says Nintendo Switch works out of the box, while other modern consoles generally need additional effort or adapters.remapper.org · read 8 Oct 2026
- Console support
- The manual says Nintendo Switch works out of the box in Switch gamepad mode; other modern consoles generally require additional effort or adapters.remapper.org · read 8 Oct 2026
- Device compatibility limit
- The manual cautions that individual devices may not work if their HID report descriptors have issues, though custom usages can sometimes address them.remapper.org · read 8 Oct 2026
- Hardware operation
- It works in hardware without special software running on the host computer, and saves configuration on the device.remapper.org · read 8 Oct 2026
- Input compatibility
- It supports standard USB HID devices, wireless receivers, multiple devices through a USB hub, Xbox One/Series and wired Xbox 360 controllers, and USB MIDI controllers.remapper.org · read 8 Oct 2026
- Limits
- HID Remapper is not a generic USB hub and does not transparently pass through devices such as webcams or microphones.remapper.org · read 8 Oct 2026
- Macro support
- Yesremapper.org · read 20 Sep 2026
- Onboard device memory
- Yesremapper.org · read 20 Sep 2026
- Open source
- The maker says the firmware and optional custom hardware are open source; the repository states software is MIT-licensed and hardware designs are CC BY 4.0 unless otherwise stated.github.com · read 8 Oct 2026
- Operating systems
- In mouse and keyboard mode, it is compatible with hosts running Windows, macOS, Linux, or ChromeOS; mobile devices that support regular USB keyboards and mice can also work.remapper.org · read 8 Oct 2026
- Per-app profiles
- Noremapper.org · read 20 Sep 2026
- Polling rate
- It can overclock the polling rate of certain devices up to 1000 Hz.remapper.org · read 8 Oct 2026
- Polling rate control
- Yesremapper.org · read 20 Sep 2026
- Purpose
- HID Remapper is an open-source programmable hardware adapter that remaps USB input devices for desktop computing and gaming accessibility.remapper.org · read 8 Oct 2026
