# LongSoft/UEFITool

UEFI firmware image viewer and editor

Repository: https://github.com/LongSoft/UEFITool
Canonical: https://ross.abutalabs.com/products/uefitool
Language: C
License: BSD-2-Clause
License Family: permissive
Last push: 2026-07-29T01:21:27+00:00

## Health v2 (maintenance only)
Score: 90/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 94, release rhythm 80, longevity 100
- inputs: {"age_days": 4712, "days_push": 36, "days_rel": 54, "gap_med": 64.0, "n_releases_24m": 7}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5642, forks 750 (observed 2026-08-28T04:09:26.869814+00:00)

## What it is
UEFITool is a cross-platform C++/Qt application that parses UEFI-compatible firmware images into a tree structure, verifies their integrity, and provides a GUI to view and edit their elements. It supports UEFI PI Specification images across x86, x86-64, arm64, and RISC-V systems.

## Use cases
- view the contents of a UEFI BIOS firmware image
- edit or replace modules inside a UEFI firmware volume
- extract firmware files from a motherboard BIOS dump
- inspect FFSv3 volumes and firmware structure
- patch firmware images to add or modify options
- reverse engineer UEFI firmware images

## When to choose
- you need a cross-platform GUI to inspect or modify UEFI firmware images
- you want an open-source alternative to vendor BIOS tools
- you need to parse modern UEFI features like FFSv3 volumes
- you want to extract or search firmware contents via derived tools like UEFIExtract or UEFIFind

## When to avoid
- you only need official EDK2 tooling without IBV customization support (consider FMMT)
- you need a scriptable command-line-only workflow (the new engine's console UI is still in development)
- you need to modify non-UEFI legacy BIOS images

## Facets
- artifact type: application
- maturity: active
- function: gui, parser, file-system, security, developer-tools
- domain: developer-tools, hardware, security
- platform: windows, cross-platform, cpp
- tags: uefi, firmware, bios, qt, reverse-engineering, firmware-image-editor, linux, macos

## Member repositories
- LongSoft/UEFITool (main) score 90

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:26.869814+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:55:18.080434+00:00, confidence not recorded.
  - readme: https://github.com/LongSoft/UEFITool (fetched 2026-08-28T04:09:26.869814+00:00, sha 628c7c469f73)
- Data as of 2026-08-30T08:39:29.467469+00:00.