To turn a video into a GIF on your iPhone, you can use two main approaches: a dedicated GIF creation app like ImgPlay or the built-in Shortcuts app. Here's how to do it:

With ImgPlay:

  1. Download the ImgPlay app from the App Store.
  2. Open ImgPlay and navigate to the features that allow you to create GIFs from videos, such as using Live Photos, Burst Photos, or importing from Wi-Fi, iTunes, or Dropbox.
  3. Follow the app's instructions to select the video you want to convert, adjust settings like duration, and merge frames if desired.
  4. Export the GIF to your device or share it directly to iMessage, Messenger, WhatsApp, Instagram, Twitter, and Tumblr.

With Shortcuts:

  1. Open the Shortcuts app, which is pre-installed on iPhones and iPads running iOS 13/iPadOS 13 or later.
  2. Tap "Gallery" and search for "Video to GIF."
  3. Tap the "Video to GIF" shortcut in the results, then tap "Add Shortcut."
  4. Run the shortcut by tapping its card in the My Shortcuts tab.
  5. Choose the video you want to convert from your photo library.
  6. Trim the video if needed by dragging the chevrons on either end of the clip.
  7. Tap "Save" to save the GIF.
  8. Tap the Share button to save the GIF or share it to iMessage, WhatsApp, or other platforms.

Remember that the Shortcuts method doesn't provide the same level of granular control over duration as a dedicated app like ImgPlay, but it's a quick and easy way to convert videos to GIFs without needing to download an additional app.