PEChecksum displays and updates the checksum of PE files (EXE, DLL, ...). Display and updates the checksum on PE files (EXE, DLL, OCX, SYS, DRV, MUI, ...). It works with 32 and 64 bit files. The checksum needs to be updated on critical Windows file if their resources (or other things) are changed. All command line arguments are treated as files to update checksums for. It is written in C.

The license of this software is Freeware, you can free download and free use this file compare software.