Your PC has a small chip on the motherboard that keeps everything the firmware needs to know about you: boot order, secure boot certificates, TPM assignments, network variables, and years of leftover EFI variables from OSes you no longer run. When that chip fills up, boots hang, updates fail silently, and in some cases the machine refuses to POST. Most people never look at it until it breaks. These seven best apps for UEFI firmware management on desktop are the toolkit for inspecting, backing up, cleaning, and updating firmware on Windows, Linux, and macOS without turning a Tuesday afternoon into a service center trip.
What to look for in a firmware toolkit
- Read-safe first, write-safe second. Anything that touches the SPI chip needs an obvious “read only” mode.
- Explicit backup before any modification. A snapshot of the firmware image saves you if the flash goes wrong.
- Vendor-published binaries. Firmware tools should come from the maintainer of the tool, not a random forum download.
- Boot media creation that respects CSM, Secure Boot, and Legacy BIOS. If the tool cannot make a USB that boots on your board, it is not useful.
- Sensor readouts alongside firmware info. Fan curves, thermals, and voltage rails are how you catch a bad flash before it bricks.
- Cross-vendor coverage. AMD, Intel, Apple T2/M-series, ARM SBCs all use different flash and firmware update paths.
Quick comparison
| App | Best for | Platforms | Free plan | Starting price/mo | Rating |
|---|---|---|---|---|---|
| UEFITool | Open-source UEFI image inspection | Windows, Mac, Linux | Free | Free | 4.7 |
| HWiNFO | Deep hardware and firmware inventory | Windows | Free | Free | 4.8 |
| fwupd | Linux firmware updater | Linux | Free | Free | 4.7 |
| Rufus | Bootable USB creation with firmware flashing | Windows, Linux via Wine | Free | Free | 4.8 |
| Ventoy | Multi-ISO boot USB | Windows, Linux | Free | Free | 4.7 |
| Firmware Test Suite | Linux firmware validation | Linux | Free | Free | 4.4 |
| CPU-Z | Low-level system info | Windows | Free | Free | 4.6 |
| chipsec | Firmware security audits | Windows, Linux, UEFI | Free | Free | 4.5 |
The apps
1. UEFITool, Best for open-source UEFI image inspection
UEFITool is the reference for taking a UEFI firmware image apart, viewing every module, GUID, and setup section, and patching or extracting entries. It reads standard AMI, Insyde, and Phoenix images and can save modifications back to disk. Version A73 added better UEFI 2.10 support and cleaner unicode handling in setup variables.
Where it falls short: it inspects and modifies image files, it does not flash. You still need a hardware programmer or the motherboard’s official flasher to write back.
Pricing:
- Free and open source
Platforms: Windows, macOS, Linux
Download: GitHub
Bottom line: Best pick for anyone who wants to see what is actually in a firmware image.
2. HWiNFO, Best for deep hardware and firmware inventory
HWiNFO is the deepest read-only inventory tool on Windows. It reports BIOS/UEFI version, ME (Intel) or PSP (AMD) firmware versions, embedded controller firmware, secure boot state, TPM version, and every device firmware revision the OS can see. Real-time monitoring adds voltage, thermals, and fan RPMs on the same screen.
Where it falls short: Windows only. Some vendors hide values behind ACPI methods HWiNFO cannot always reach.
Pricing:
- Free for personal use
- Pro license from $23/year for commercial
Platforms: Windows
Download: Publisher
Bottom line: The best inventory read of your entire system’s firmware state on Windows.
3. fwupd, Best for Linux firmware updates
fwupd is the daemon that pulls firmware updates from the Linux Vendor Firmware Service and applies them on Linux, without needing to boot into vendor Windows tools. Lenovo, Dell, HP, Framework, System76, and dozens of peripheral makers publish through LVFS. Runs headless on servers as easily as on a laptop.
Where it falls short: coverage depends on the vendor. Anything not published on LVFS still needs the vendor’s own path.
Pricing:
- Free and open source
Platforms: Linux (all major distributions)
Download: Publisher
Bottom line: The pick for maintainable Linux firmware updates.
4. Rufus, Best for bootable USB creation with firmware flashing
Rufus is the fastest way to make a UEFI or BIOS bootable USB from an ISO. Version 4.x handles Secure Boot signing, persistent Linux storage, and includes a wizard for skipping Windows 11’s TPM checks. If a vendor’s flash utility ships as an ISO or a bootable image, Rufus turns it into a USB that will boot the machine.
Where it falls short: Windows-first (Linux via Wine works but is not the primary path).
Pricing:
- Free and open source
Platforms: Windows (Linux via Wine)
Download: Publisher
Bottom line: The utility no one should be without when a firmware update ships as an ISO.
5. Ventoy, Best for multi-ISO boot USB
Ventoy flips the Rufus model. Format a USB drive once, then drop as many ISOs onto it as fit. Boot the USB and choose which ISO to launch. Great for keeping every vendor’s firmware flasher, a couple of Linux live distros, and Memtest86+ on one stick.
Where it falls short: some ISOs (older DOS-based flashers, certain proprietary tools) need Ventoy plugin tweaks to boot cleanly.
Pricing:
- Free and open source
Platforms: Windows, Linux
Download: Publisher
Bottom line: Best pick for a USB that carries every rescue tool at once.
6. Firmware Test Suite, Best for Linux firmware validation
Firmware Test Suite (FWTS) is Canonical’s tool for validating UEFI, ACPI, SMBIOS, and DMI implementations. It runs a battery of tests that flag firmware bugs, ACPI table issues, and boot inconsistencies before they cause hard-to-diagnose Linux problems. Every hardware vendor certifying for Ubuntu runs FWTS.
Where it falls short: Linux only, and the output is dense. Reports are aimed at firmware engineers, so a home user needs a bit of patience.
Pricing:
- Free and open source
Platforms: Linux
Download: Publisher
Bottom line: Best pick for anyone debugging weird boot or suspend behavior on Linux.
7. CPU-Z, Best for low-level system info
CPU-Z is the sanity-check utility every hardware forum still recommends. Real-time CPU frequency, cache, motherboard chipset, BIOS version, and memory timings on one screen. It is the fastest way to confirm what a firmware update actually did to your board.
Where it falls short: Windows only for the classic build (Linux users have CPU-X, a compatible fork).
Pricing:
- Free
Platforms: Windows (CPU-X on Linux)
Download: Publisher
Bottom line: Best pick for a quick before-and-after view of a firmware change.
8. chipsec, Best for firmware security audits
chipsec is Intel’s open-source firmware security assessment framework. It scans for known UEFI vulnerabilities, SPI protection misconfigurations, SMM issues, and secure boot bypasses. Ships as Python plus kernel drivers for Windows and Linux. Runs from a live UEFI shell if you want to check a machine outside its OS.
Where it falls short: it is a scanner, not a fixer. Requires elevated privileges and knowledge of firmware attack surface to interpret results.
Pricing:
- Free and open source
Platforms: Windows, Linux, UEFI shell
Download: GitHub
Bottom line: Best pick for verifying your firmware is not silently vulnerable.
How to pick the right one
If you want to look inside a UEFI image: UEFITool.
If you want the full read of your Windows PC’s firmware state: HWiNFO.
If you run Linux: fwupd for updates, FWTS for validation.
If you need a bootable USB for a vendor tool: Rufus or Ventoy.
If you need CPU/motherboard sanity checks: CPU-Z.
If you want to audit firmware security: chipsec.
FAQ
Can UEFI NVRAM actually fill up?
Yes. UEFI variables from every OS install and every device driver accumulate over years, and some boards ship with very small SPI regions. Symptoms include slow POST, failed OS installs, and, in bad cases, boards that will not boot. Clearing the NVRAM from BIOS setup (or a full firmware reset) is the fix.
Is it safe to flash BIOS from Windows?
It works, but the safest path is the motherboard’s own flash tool from a USB stick (Rufus or Ventoy). Do not flash from an unstable Windows install, and never during a Windows Update.
What is the best free tool to read my firmware version?
HWiNFO on Windows, and dmidecode -t bios (built into every Linux distribution) on Linux. Both are free.
Do these tools work on ARM Macs?
UEFITool and CPU-X-style utilities exist for Apple Silicon, but Mac firmware is much more restricted than PC UEFI. macOS updates handle firmware for most users.
Can I brick my PC using these tools?
UEFITool, HWiNFO, CPU-Z, Rufus, Ventoy, and FWTS are read-only or write-to-USB, so they cannot brick a system. fwupd and chipsec can, if you push a broken firmware or bypass safety checks. Always back up the firmware image first with UEFITool.