Second, in the Resolution box, click custom and enter into a number based on the aspect ratio you need. However, simply adjust the aspect ratio may distort the image. This option will simply shrink or stretch the iPhone videos to the specific aspect ratio. Then you can change the aspect ratio to 16:9, 4:3, 3:2, 5:4, 1:1 and many more. In the parameter setting page, you can adjust the aspect ratio directly. Below are the use of most common aspect ratios.įirst, click the button with a gear icon.

For example, US and UK use 1.85:1 as the widescreen standard in cinemas while 16:9 is the universal high-definition and digital video and television format of the 21st century. * Facebook - 16:9 (horizontal), 9:16 (full portrait), 2:3 (vertical), 4:5 (vertical), square (1:1)ĭifferent aspect ratios are used for different applications or platforms.

IPhone XS (Max) /XR - 19.5:9, iPhone X- 19.5:9, iPhone 8/7/6S - 16:9Īs iPhone videos are normally recorded in fixed aspect ratio, sometimes we need to adjust the iPhone footage to 8x10 (4:5), medium format (which meant many things and ranged from 1:1 to 6:17 panoramic), and full frame (3:2), or it may cause the video look distorted or out of shape when user want to fill the entire screen of a device with a different aspect ratio. First, let's have a quick overview of the aspect ratio of each iPhone model:

Youtube video converter iphone