PeDiffEr is a user-friendly graphical interface for the free binary comparator pediff.dll, allowing the comparison of two PE-module files to search for identical and similar functions. The software also includes support for .map remapping and is both freeware and portable.

Pediff.dll uses the levenshtein distance algorithm to identify identical and/or similar functions in two binaries. As a result, you can quickly identify any inconsistencies or discrepancies between the two files.
The best part about this software is that it is freeware and portable. There is no need to install anything, making it incredibly easy and convenient to use. Additionally, there is an option to import a .map file for the first binary and remap it correctly to the second module.
If you need to integrate an external text differ application, PeDiffEr makes it easy to do so. The archive includes c++ source code, a class which allows you to write your own PE-differ, and other helpful resources.
Overall, PeDiffEr is an excellent software that is perfect for anyone who needs to compare and analyze PE-module files. Its advanced features and intuitive interface make it an essential tool for software developers, security specialists, and anyone who needs to perform binary comparisons.
Version 1.0: N/A