QMK Toolbox
A collection of keyboard firmware flashing tools packaged into one app
Free · Open sourceLatest versionMac
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About QMK Toolbox
QMK Toolbox is a companion app for QMK Firmware that gathers several flashing tools into a single window. It supports auto-detection and auto-flashing of firmware to keyboards, so you do not have to juggle separate command line utilities for each bootloader.
It helps keyboard builders and enthusiasts who customize their boards with QMK. It works with a wide range of bootloaders and ISP flashers, and it also includes a HID console that shows debug messages sent from a keyboard, which is handy when you are troubleshooting your firmware. It is available for both Windows and macOS.
Highlights
- Auto-detection and auto-flashing of firmware to keyboards
- Supports bootloaders including ARM DFU, Atmel DFU, Caterina, HalfKay, and BootloadHID
- Supports ISP flashers including AVRISP, USBasp, and USBTiny
- HID console that prints debug messages from your keyboard
- Works on both Windows and macOS
Description adapted from the project README.
- Version
- 0.3.4
- Updated
- Aug 19, 2026
- Size
- 821 KB
- License
- MIT License
Open source details
- Source code
- Exact source for 0.3.4
- Released
- Aug 19, 2026
- GitHub stars
- 3.1K
- Website
- qmk.fm/toolbox
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
License
PermissiveMIT License
Use, change and share it freely, including in closed source apps, as long as the copyright notice stays.
Read the full licenseHow this app was checked
AppsXi checks every version before it is listed.
Signed by Nick Brassel (R8TL9B27A6)
Apple Developer ID team R8TL9B27A6
Notarized by Apple
Hardened Runtime on
File matches the hash GitHub published
SHA-256 b5362ba49d29cfea88edadca2a51e67ccdadb3736a55fb6c9ac27d54c41a06fa
No malware found
ClamAV 1.5.4 on Oct 13, 2026
Install and behavior test in a virtual machine: not run yet
Coming soon for all listings.
Versions
0.3.4checked
Checked Oct 13, 2026 · Mac
PKG · 821 KB
Questions about QMK Toolbox
Is QMK Toolbox free?
Yes. QMK Toolbox is free and open source under the MIT License. AppsXi lists the maintainers' official release and does not charge for it.
Is QMK Toolbox safe to download?
AppsXi downloads every version of QMK Toolbox from the maintainers' official GitHub release and checks it before it is listed. For version 0.3.4 (checked Oct 13, 2026), the Mac download is signed by its developer and notarized by Apple, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Does QMK Toolbox run on Apple silicon Macs?
Yes. QMK Toolbox has a native Apple silicon build, and it runs on Intel Macs too.
What does QMK Toolbox need to run?
QMK Toolbox needs macOS Monterey (12) or later.
Who makes QMK Toolbox?
QMK Toolbox is an open source project by QMK on GitHub (qmk/qmk_toolbox). Help and bug reports go to its maintainers there.
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