HID Remapper

At a glance

• Editor score
  5.3 / 10
• Pricing
  Free plan
• Best for
  Open-source cross-platform input remapping
• Free plan
  Yes
• Paid from
  Free
• Supported operating systems
  Cross-platform
• Facts checked
  20 Sep 2026

• Where it wins

  • Remaps keyboards, mice, controllers, axes, and buttons
  • Supports layers, multi-step macros, expressions, and sensitivity scaling
  • Stores configuration on the device across Windows, macOS, and Linux

• Where it doesn't

  • Requires compatible hardware rather than a conventional host-installed app
  • Does not provide per-app profiles
  • Polling-rate overrides depend on compatible devices

Our verdict on HID Remapper

HID Remapper is open-source firmware for programmable adapters that translate inputs from USB keyboards, mice, game controllers, and other devices into keyboard, mouse, or game-controller outputs. It is aimed at desktop, gaming, and accessibility setups that need hardware-based remapping across Windows, macOS, and Linux. Configuration takes place through a browser-based WebHID interface, while the resulting configuration is saved to the device. That approach suits people who want their mappings to travel with the adapter instead of depending on special software installed on each host computer.

Its feature set goes beyond basic button reassignment. HID Remapper supports button and axis remapping, keyboard, mouse, and game-controller emulation, layer-based mappings, multi-step macros, mouse sensitivity scaling, custom behavior expressions, and GPIO input support. Compatible devices can also receive polling-rate overrides up to 1000 Hz. The project can be built using compatible microcontroller boards such as Raspberry Pi Pico, making hardware selection part of the overall setup. Users should therefore expect a firmware-and-adapter workflow rather than the simpler installation path associated with conventional desktop customization software.

The main boundary is profile management: HID Remapper does not offer per-app profiles. That makes it a strong fit for consistent mappings that should remain on the device, but a less suitable choice for workflows that require automatic changes between individual applications. It is most appropriate for technically comfortable users seeking open-source, cross-platform control over USB input behavior, including layers, macros, sensitivity, and emulation. Users who prioritize application-specific profiles or want a purely host-installed utility should choose another category tool instead.

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HID Remapper pricing

HID Remapper fact sheet

Alternatives to HID Remapper

• Razer SynapseA free Razer-focused hub for remapping, macros, profiles, and Chroma lighting.9.2
• Logi Options+A broad free toolkit for remapping, automation, profiles, and multi-computer control.9.1
• Logitech G HUBA free desktop suite for Logitech G lighting, profiles, and device settings.9.0

See all HID Remapper alternatives →

Featured on iTechGuides

HID Remapper is listed in our Keyboard and Mouse Customization Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update