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A 1080p video has more horizontal lines (more information), thus making the video file size larger. As you can imagine a video that is 1920 x 1080 (1080p) will have a larger file size than a video that is 1280 x 720 (720p). Larger resolution videos will dramatically increase file size. Resolution is defined by the number of horizontal lines the video has from top to bottom. The resolution of a video determines the size in height and width that the video will be created in. Takeaway: Use the MP4 file type to keep quality and reduce file size. AVI (Audio Video Interleave – Microsoft)Īnd many more! You can learn all about the different video file types listed above by reading this article. To help you not worry too much about file size, we’ve created Camtasia and Snagit video outputs to default to the MP4 file type, and will recommend MP4 in the majority of cases for online sharing. Because of this, MP4 is very popular for web-based delivery including YouTube, Facebook, Twitter and Instagram. This codec produces an MP4, which typically delivers the best quality, with smallest file size. Learn more about codecs here. You may have heard of the h.264 codec (you may not have, but hang in there). Codecs encode or compress streams of data for storage, playback and video editing on a variety of platforms. To help you understand video codecs and containers we wrote an in depth post about the differences of video files types. There are many different video formats you could export your finished video into. **If you’re new to these concepts, please don’t stop reading just because we use a lot of jargon, we will try to explain each, and by following the associated links, you may also better comprehend each one.** Below we’ve put together some helpful information to get you started on your file reduction journey! Video Format and File Type It can be hard to know where to start when trying to reduce file size. You may want to reduce file size to more easily send to your co-workers, or complete your upload to YouTube quicker. Video file size can be tricky and the concept of reducing video file size has many technical variables associated with it.