JPC format is a special variant of JPEG format and thus a conversion is likely, the major drawback would be to find a program capable of supporting the somewhat rare .jpc files. One of the easily obtainable utilities is for example XnConvert, a program that should be capable of jpc to jpg conversion.
Convert JPEG2000 code stream image format to JPEG bitmap image format.
We found 2 software records in the database related to .jpc to .jpg file format conversion.
Multiplatform software - convert jpc to jpg on any platform
Cross-platform batch image transcoder compatible with 500 picture image formats
Convert from jpc 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 jpc 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.
On-line services software - convert jpc to jpg on web
An online graphics converter and resizer