UEFITool will permit you to extract data from an image, insert items within the structure of the image, and insert or remove unwanted pieces as needed. It supports full BIOS image parsing, including the flash descriptor or any binary files containing UEFI volumes it is compatible with multiple BIOS image types, including ROM, BIN, FD, CAP, BIO, WPH, and EFI, all of which will be conveniently loaded and displayed alongside pertinent details including name, type/subtype, and text for example. UEFITool allows the modification, parsing, and extraction of UEFI firmware images.
Unified Extensible Firmware Interface or UEFI is a post-BIOS firmware specification originally written by Intel for Itanium architecture and than adapted for X86 systems. Tool to modify, parse, and extract UEFI firmware
