For a direct, PC-native experience, alternative tools like WhatsApp Viewer offer similar core functionality for viewing and extracting chat data. Ultimately, the best method depends on your specific goal: for automated backup conversion, stick with the Omni-Crypt app via an emulator; for deep data extraction and viewing, turn to specialized PC software.

Alternative methods for on Windows (like SQLite viewers).

Decrypting WhatsApp backups - Learning Android Forensics - O'Reilly

If you want, I can:

Running Omni-Crypt for PC via an emulator provides an incredibly efficient, safe, and powerful environment to manage and recover your personal app data. By utilizing a virtual environment, you eliminate the risks associated with rooting your primary physical smartphone.