PC Inspector File Recovery
Full user review
"Powerful, but crashed. Not updated since 2007."
Appears to be powerful when it works. Distinguishes between ordinary deleted files and other lost data. Free with no limitations.
Froze when it started recovery of selected files. Has been at version 4.0 since 2007 - appears not to be maintained.
I needed to recover a file that a program bug had rendered useless by changing to 0 bytes, so I figured this was 'lost data' rather than 'deleted file'. The program scanned the micro-SD card of my smartphone and found hundreds of lost clusters, which it showed with file type, but only file names like "Cluster123.JPG" and blank dates, probably because no file metadata was available. But when I selected all the JPG files for recovery, the program froze and I had to kill it with Task Manager. Afterwards, I found that it had saved two out of several hundred files, and the two files it did save were fully functional (but unfortunately not the picture I was looking for).