Borderlands 3 Save Editor

A desktop based save and profile editor for Borderlands 3.

This project involved reverse engineering a proprietary compression algorithm, as well as Protobuf integration and saving it into a binary file. These binary files also use a CRC32 hash which also needs to be calculated.

The app was developed using C# and WPF in order to style this beautiful UI. It has since been downloaded by over 300,000 users since 2021.