Apple introduced one iPhone camera and image related feature named Live Photos.
At that time, the users didnt respond well to this feature and termed it useless.
In Live Images, the camera clicks the 3 seconds clips that are generally a GIF only.

you should probably send your Live Photos as GIFs on your iPhone.
Heres how you’re free to send Live Photos as GIFs in iOS.
Certainly, some tools meant for Live Photos could be easily used to share these images as GIFs.

We will be using the Live Photo tools only.
Now, you will see the Live Photo edit screen containing many tools.
Apply the Loop or the Bounce effect to your Live Photo using the effects toggle inside the edit screen.

This is necessary to apply this effect because it helps to convert the Photo into a GIF-style image.
Once done, tap on the share icon.
This is to share your Live Photo.

Simply start to share the Live Photo after setting the size options and some other options.
punch the Send button to finalize the sharing with your selected details.
The mail app automatically converts the Live Photo to a GIF.

you oughta wait for the completion.
This is how you’re free to send Live Photos as GIFs in iOS.
Windows 11 Restarting Instead of Shutting Down?

10 Best Ways to Fix it