Depending on what you need to do with your SD card, these are the safest official tools:
Stop using your SD card immediately after data loss. Every new photo you take overwrites the "deleted" files, making recovery impossible—even for Master Pro. sd card master pro software free download
If you are looking to format (wipe) your card rather than recover files, the actual industry standard is the (developed by the SD Association). Depending on what you need to do with