There are different reasons you may want to change or edit the video resolutions on your iPhone or other mobile phones. For example, if you want to save space on iPhone or save the bandwidth and data to share or send the large videos, you may decrease the video resolution thus get smaller file size. The lower the resolution and frame rate, the less space a video will take up on the phone. In this quick guide, we will show you how to customize the Camera Settings to change video resolution or size on iPhone and use a iPhone video editor app to easily edit resolutions of existing videos saved on your iPhone.
Change video resolution settings on iPhone
Launch Settings on iPhone, scroll down and select Camera, then choose Record Video. Here you can see all the available resolutions or size you can choose from. If you are using an iPhone X, iPhone 8, iPhone 8 Plus, you should find the following resolutions and frame rates in the list: 720p HD at 30fps, 1080p HD at 30fps, 1080p HD at 60fps, 4K at 24fps, 4K at 30fps, 4K at 60fps. Go back to the Camera setting and choose Record Slo-mo to change a different resolution for slow motion videos to be captured on iPhone.
The Camera resolution settings above affect only new video clips to be captured. For existing videos saved in your Camera Roll, you can use a video editor to change their resolution or width and height.
Edit video resolution on iPhone
You can download and use this iPhone video editor app to easily edit resolutions of existing videos saved on your iPhone.
Run the video editor app on iPhone, choose Import clip from its home screen, then browse to your Camera Roll to load the video clip to the editor app. Optionally you can go to edit the video. After that tap Next button at the top right corner, then touch the Share icon also at the top right corner, you will be taken to the video export screen where you can customize the video settings including resolution or size and frame rate. By default it will output 720p videos, you can change it to 4K, 1080p full HD, 360p.
At the lower half of the screen, you can choose a target app or destination to save the video to, such as Vimeo, Instagram, Facebook, Messenger, Youtube, Snapchat, WhatsApp, Message, Email, Dropbox, Photos and so on. Tap Photos to save the video to your Camera Roll.