Converting THM to JPG files

THM is a very small file that is often created by a camera to act as a thumbnail of an image, and more often a video. The file name has the extension THM. It is very easy to navigate through a series of images and videos at playback time without having to load the actual media file into memory. The video also has the same name, which is saved as THM, although there is a video extension called AVI.

It can represent a THM file as the first video frame. This is the initial image you see when you preview a movie on a camera. For video, THM is often used to store data in much the same way as EXIF ​​data for still images. It happens because a THM file is actually a small JPEG with a different extension.

The JPG file extension is primarily associated with a ‘JPEG / JIFF Image’, which is nothing more than a lossy bitmap image format that all digital cameras use to display photos on the web. If you want to edit a JPEG file, you must first save it as BMP or another lossless bitmap format. After that, edit it and then use the “Save As” option to re-save it as a JPEG file. If you are editing and re-editing a JPEG image, you will experience a loss of compression for each segment read and saved.

If you change the THM extension to JPG, the file will be converted to JPEG. For example, if you change a file called MVI_8233.thm, it will be converted to a file called MVI_8233.jpg. Most cameras will not be able to play video if a THM file is missing or corrupted.

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