ExEinfo PE is described as 'Packer, compressor detector / unpack info / internal exe tools. Internal Tools and Ripper Menu : Borland Delphi ( 2.0 - 7.0 ) Microsoft Visual C++ ver. 5,6,7,8.0 UPX exe/ dll 0.89.6 - 1.02 / 1.05 -3.03 -> Markus & Laszlo'. There are eight alternatives to ExEinfo PE for Windows, Linux, Mac and PortableApps.com. The best alternative is UPX, which is both free and Open Source. Other great apps like ExEinfo PE are Explorer Suite (Free), Detect It Easy (Free, Open Source), FUPX (Free) and LockBytes (Paid).
UPX (Ultimate Packer for eXecutables) achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression.
Created by Daniel Pistelli, a freeware suite of tools including a PE editor called CFF Explorer and a process viewer. The PE editor has full support for PE32/64. Special fields description and modification (.
pefile is a multi-platform Python module to read and work with Portable Executable (aka PE) files. Most of the information in the PE Header is accessible, as well as all the sections, section's information and data.
Crinkler is an executable file compressor (or rather, a compressing linker) for Windows specifically targeted towards executables with a size of just a few kilobytes. As of 2020, it is the most widely used tool for compressing 1k/4k/8k intros.