Convert FSTHUMB to MP4

Converting .fsthumb files to MP4

Unfortunately, it is not possible to convert or recover MP4 files from .fsthumb files. The .fsthumb files are only thumbnail caches used by Wondershare Filmora software, which are small pictures generated for preview purposes.

Locating the video source

You need to find the original source video file, which can then potentially be converted into an MP4 format. However, it's important to note that no .fsthumb to MP4 conversion is possible.

Simply put, it is impossible to convert FSTHUMB to MP4 directly.
Thus, there is no so-called fsthumb to mp4 converter or a free online .fsthumb to .mp4 converter to be found.