In short, since there is no video information in FSTHUMB file, it's impossible to convert FSTHUMB to MP4.ĭon't be upset, however, converting FSTHUMB file to MP4 video actually means rendering WFP project file to MP4 format. You can even delete it, which makes no difference to your project but takes a little bit longer loading time. I tried MKVToolNix GUI and it didn't change the thumbnail.Someone suggested Mp3tag, but it edits only mp4 files. Let's assume you get the file path by letting the user select a video: One more time: it's important to note that this only works for local videos. mkv files to cover art like these mp4 files. It is produced to help fast load thumbnails and images when opening Filmora project file next time. Glide is also able to display the thumbnail of videos, as long as they're stored on the phone. Absolutely not! Here is the reason.įSTHUMB file is actually a Thumbnail Cache file generated by a terrific video editing program - Wondershare Filmora, alongside with a. People probably wonder whether it's possible to convert FSTHUMB file to the universal MP4 format. The FSTHUMB file type may seem strange to most people, not only is it unpopular, but also it cannot be opened, edited or uploaded with any program.

How to change thumbnail of mp4 file