To ensure you don't lose hours of progress to a corrupted file. Automatic Backups : Creates a file every time you hit "Save." Validation Engine

If you want editing without converters, downgrade to 1.13c (the last patch Hero Editor fully supports). Then use:

: A popular Online Hero Editor that supports loading, editing, and generating .d2s files for both legacy 1.14d and Diablo II: Resurrected .

: Right-click the .exe and select "Run as Administrator." This allows the program to create its .ini configuration files and write changes to the save directory .

: Use the D2Runewizard Hero Editor. It is browser-based, requires no installation, and is natively compatible with both 1.14d LoD and Resurrected save files.