2017年6月12日 — PicGIF enables you to quickly create incredible animated GIFs from photos or short videos. It's easy to customize GIF Size, Sequence, Frame Delay, etc.
How do I reduce the size of a GIF on a Mac? In the Preview app on your Mac, open the file you want to change. Choose Tools Adjust Size, then select Resample ...
2019年2月16日 — Yes you can. Open the gif in Preview and you'll get (I got) 48 images. Click on the View menu and select Thumbnails to display all images as Thumbnails.