whats the best language to use for developing video and image compression apps

Hi,

have you tried the unity? I dunno if it is a language.

but I think that is a 2d and use for gaming

Language, or API's? Your question says you haven't researched this much. For video, there are a number, both closed-source (mpeg) and open source (mkv). For images, ditto - jpeg (closed source), png (open source). There are tools in many computing languages from C -> C++ -> Java -> Python -> Perl that will deal with this stuff for you. So, as said, do some more research.

There's no definitive "best" when the question is so wide open.
Do you mean develop your own compression code, or use existing compression libraries as part of your own app?
Do you have a particular OS platform or platforms in mind?

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