On Android phones
If using Android, the steps are easier because you can share GIF images directly from Google Photos to Instagram, the application will automatically convert GIF images into videos without installing any additional applications.
Please select the animation in the list on Google Photos as mentioned above, then select the sharing icon in the lower left corner. Choose instagram and share. Once the GIF image has been converted into a video, users can select the filter or add a description before uploading to Instagram.
Hope the article is useful to you!