The Fire Pro Wrestling World Save Tool is a program that allows you to view and manipulate save data from Fire Pro World. More features can be found in the manual.
Make backups of your save files in case anything goes wrong. In fact, you should be doing this whether or not you're using mods or external tools.
Current Version: v1.2.0.0 (2018/05/20; May 20th, 2018)
Available online here, or included with the download.
Older versions were created during the testing period, and are not available.