This is key because if you don’t change a video’s aspect ratio, the platform where you post the video might automatically crop or stretch it improperly. Once you use iMovie to change a video’s aspect ratio, you can upload it to various social media platforms. *** 4K at 60 frames per second support requires iPod touch (7th generation), iPhone SE (2nd generation), iPhone 7, iPad (6th generation) or later, iPad mini (5th generation), iPad Air 3 or later, iPad Pro 10.One of the best apps you can use to change a video file’s aspect ratio is iMovie, a video editing app designed for macOS and iOS devices. ** External display support requires iPhone 7 or later, iPad (6th generation) or later, iPad Air 3 or later, iPad Pro 12.9-inch (2nd generation) or later * Requires iPhone XS or later, iPad mini (5th generation or later), iPad Air (3rd generation or later), iPad Pro 11-inch or iPad Pro 12.9-inch (3rd generation or later)

Export videos optimized for Instagram, YouTube, and other popular video destinations.

Save to your Photos library in resolutions up to 4K at 60 frames per second***.

Connect an external display to your iPhone or iPad and choose to mirror the iMovie interface or display your video fullscreen while you edit**.

Send projects to your Mac via AirDrop or iCloud Drive to finish editing with iMovie or Final Cut Pro.

Transfer projects between your iPhone and iPad using AirDrop or iCloud Drive.

Connect a trackpad or mouse to iPad for fast and accurate moviemaking.

Connect a keyboard and use simple shortcuts to edit movies quickly.

Add sound effects, songs from your music library, and your own narration.Select from more than 130 soundtracks that automatically adjust to the length of your movie.Easily add picture in picture, green screen, and split screen effects.

Add, adjust, and delete focus points and modify the depth of field effect in video recorded in Cinematic mode*.Import and edit video captured in Cinematic mode on iPhone 13 or later.Add solid, gradient, and patterned backgrounds to your movie.Adjust any title by changing its font, color, size, location, and more.Choose from 11 animated title styles like Split, Reveal or Pop-up.Give your movie the perfect look with 13 Apple-designed video filters.Choose from 8 unique themes with matching titles, transitions, and music.Select videos and photos for your trailer or record video right in iMovie.Customize movie studio logos, cast names, and credits.Choose from 14 trailer templates with stunning graphics and original scores by some of the world’s top film composers.Apply a dynamic visual style that include title layouts, fonts, filters, color palettes, and music.Add, reorder, and delete clips as needed to organize and customize your story.Record video or take photos right into each placeholder clip, or add media from your Photos library.Choose from 20 Storyboards that help you get started with popular video types.Apply a different style to change up the look and feel of the whole video.Easily rearrange or delete clips in the simplified shot list.Select an album or group of videos or images and iMovie will create a video for you-no video editing required-with titles, transitions, and music.With just a few taps, you can create and share a beautiful, custom video.With a streamlined design and intuitive Multi-Touch gestures, iMovie lets you create Hollywood-style trailers and beautiful movies like never before.

Imovieios