It seems that .clp files are typically encountered as some kind of older pictures and it appears that these can be converted to some more common formats, including JPEG (.jpg, .jpeg). Your best option for this conversion would be to use some graphics converter with broad format supported, such as XnView MP.
Convert Bitmap image to JPEG bitmap image format.
We found 2 software records in the database related to .clp to .jpg file format conversion.
Microsoft Windows software - convert clp to jpg on Windows
A 3D CAD translation softwate
Convert from clp file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned clp to jpg. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software - convert clp to jpg on any platform
A popular utility for viewing and converting graphic files