Custom Firmware Validator is a program designed mainly for veryfing downloaded or manually patched firmwares for PS3. This aplication compares checksums from the database with those which are being calculated on the currently open file. If at least one would match, the following things will appear: the name of the firware and its short description, the option to show the list of additional functions and the option to visit the author's webpage, also one could copy a file onto USB with the proper directory stuctrure and its name (PS3, PSP, PSV).