This is a save editor for the PAYDAY 2 video game, it currently only supports the retail version on PC. All data types, encryption, hashing, and encoding have been reversed and re-implemented. This tool can rebuild the entire save file and it's data.
You may download the latest version here: https://github.com/seefo/PD2SE/releases
Currently, only command-line support has been added for processing a save file. You will need to use existing tools to modify the save file, like a hex editor. A UI will be developed sometime in the future to allow you to seamlessly modify your save file.
A fork that includes a UI may be found here: https://github.com/isqrl/PayDay2SaveView (credit to @isqrl)
Usage:
// decrypt save file
PD2SE.exe -i save000.sav -o output.sav
// re-encrypt save file
PD2SE.exe -i output.sav -e true -o newsave.sav
// display help
PD2SE.exe --help