Transcode or Convert Videos Using iOS So You Can Use Formats Like MKVs, AVIs, DIVXs, XVIDs, and MPGs in Apps (Keynote, iMovie, etc.)
On this site you can learn how to work with video in your iOS Keynote and iMovie projects. Using content from YouTube and Vimeo, importing iPod friendly video files from the web and mail... have all been covered. But in reality most video people will send you won't be iPod friendly (a .mp4 file), so what do you do with .avi, .wmv, .mpg, etc. files? On a desktop you would convert them into something you can use, and that is what we will do here. The following shows you how to convert general video file formats into mp4 videos (using only an iPhone/iPad). In addition the converted movies will be automatically transferred into your devices camera roll, so they are ready to be included into your Keynote presentation or iMovie project.