A working environment, not a throwaway tool
V9 consolidates two development cycles (V8.1 UX & automation, V8.2 hardware & cloud) and puts them on safer foundations: all shell=True leftovers removed, unified versioning, full audit.
Profiles and history
USB configurations you can save and restore with one click, with the last 30 events always at hand.
Verified downloads
For 35 catalog entries the vendor's SHA-256 checksum is recalculated after download: if it does not match, the file is discarded.
Kiosk mode
Press F11 and the app goes full screen with no decorations: perfect for the workbench or the repair shop.
FlashBoot GRUB2
Home-Made mode based on GRUB2 as an alternative to Ventoy (Beta): you truly own the bootloader.
Complete toolset
Checksum, speed test, drivers, system info, bootloader and secure erase, all inside "Prepare USB".
Built-in manual
The Help button opens the manual in a scrollable viewer: the documentation travels with the program.
Light/dark theme
Follows the system on Windows, macOS and Linux GNOME; text and widget sizes adjustable in real time.
No shell=True
mountvol, nvram and wmic now run with argument lists: injection no longer has an attack surface.
Signed updates
An update is installed only if its SHA-256 checksum matches the one announced by the server; otherwise it is discarded.
One program, two modes
A single executable. Without a license it works as Lite; with a device-bound key it unlocks Pro, with no restart. Plans and prices will arrive when it goes on sale.
- Multiboot USB creation and management with the FlashBoot engine (Ventoy)
- Catalog with checksums, tools, QEMU testing and persistence
- Hackintosh, cloning and native GRUB2 visible but locked
- Full Hackintosh with OpenCore, kexts and macOS recovery
- HDD/SSD cloning, native GRUB2 FlashBoot (beta), encrypted EFI Vault
- License verified at startup, activatable on multiple devices, 14 days of offline grace
Behind the scenes: the Cloudflare backend
A Worker handles licenses, updates and app content. Lightweight, serverless and with defenses in the right places.
/verify · 10 req/min/IPBrute-force-proof licenses
License verification with per-IP rate limiting, hex-only device fingerprint and a maximum number of devices per license.
/updates/check · sha256Signed updates
Every published version carries its own SHA-256 checksum: the program verifies it before installing, and without a checksum nothing gets published.
/catalog-updates · /bannersContent without new releases
Catalog links, checksums and notices come from the Worker at startup: they can be fixed without republishing the program.
private panelAdministration off the Internet
Licenses, events and catalog are managed from a panel on a private network: a key never passes through the browser.
One drive. Every system. Zero panic.
MultiBootUSB V9.0 is not published yet: when it is, you will find it here and in the Telegram community. In the meantime, the editions are described above.
Start with your edition
I built MultiBootUSB myself, on my own — and I am looking for my first role as a junior developer.
I am Samuele Rota, a self-taught full-stack developer: this is one of eight projects that I conceived, wrote and published entirely myself. If your company is looking for a junior who delivers, get in touch.