iTunes Video (M4V) is Apple's MPEG-4 video format used by the iTunes Store, often with FairPlay DRM protection.
VP9 is Google's next-generation open-source video codec delivering 50% better compression than VP8 for 4K streaming.
Reach for M4V when your priority is apple tv, itunes, ios devices — its efficient compression makes sharing fast and storage minimal.
Reach for VP9 when your priority is youtube 4k, web video, chrome streaming — its efficient compression makes sharing fast and storage minimal.
Learn more about M4V and VP9 formats in our detailed guide.
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M4V (iTunes M4V) - iTunes video, MPEG-4 video for Apple devices. Best for apple tv, itunes, ios devices.
VP9 (VP9 video) - VP9, next-gen open-source video codec for 4K web video. Ideal for youtube 4k, web video, chrome streaming.
Yes, GoConvertFile offers free conversion of M4V to VP9 for files up to 100MB. No registration required.
Most M4V to VP9 conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
VP9 is ideal for youtube 4k, web video, chrome streaming. VP9, next-gen open-source video codec for 4K web video
File size after M4V to VP9 conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.