When you convert or compress a video with Clipchamp Utilities and choose any optimize preset other than the Windows/Microsoft Office one, the resulting output video will be an MP4 container, using the H.264 video codec and AAC audio codec, OR a WebM container using VP8 and OGG, which have all emerged as the de-facto standards on all modern devices (smartphones, tablets, laptops, desktops, gaming consoles, Smart TVs, etc.) and on the web.

When you choose one of the Windows/Microsoft Office presets, the output video is an ASF container, using the WMV video codec and WMA audio codec. This works on all operating systems including Windows, Mac OS and Linux.

We don’t make any changes to aspect ratio or frame rate (fps) of videos during the conversion process, so the output video will have the same aspect ratio and fps as the input video (you can, however, crop your video before conversion if you would like to change the aspect ratio).

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