How to Convert a THM to a JPG
- 1). Open Internet Explorer (other programs will open .THM files, but using Internet Explorer is the simplest process for conversion).
- 2). Click "File," which is located in the menu bar. Select "Open" from this menu. A pop-up box will appear.
- 3). Click "Browse." Select the appropriate folder where the file is located.
- 4). Double-click the file name and click "OK." The .THM file will open.
- 5). Move the cursor over the image and right-click the mouse. This will bring up a menu.
- 6). Select "Save picture as." A pop-up box will open.
- 7). Locate the drop-down box labeled "Save as type." Choose the option ".JPEG(*.jpg)."
- 8). Enter a new name in the drop-down box labeled "File name" if you would like the file to have a different name in addition to a different file extension.
- 9). Click "Save."
Source...