Tyrano save file .sav data are usually just json stored in an URL encoding or a percent-encoding. For example @ will be encoded into %40.
This tool can convert .sav into .json and back. This tool also have a monitor function that keep track the changes between the save file and the parsed file, so you can edit the values without touching the save file.
Original:
Parsed:
Check wiki for the tutorials
- Tyrano Browser (checkout the preview here)