A free app for Android, by Weeny Software.
MP4 to GIF Converter is a free utility to convert MP4 to GIF. You can easily convert from MP4 to GIF in a couple of steps.
The first step is to install the app on your device. The next step is to choose the video that you want to convert. You can select from the available video files on your device or the file that you have downloaded from the internet.
After that, you will need to choose the output format. There are several options to choose from. You can select the format according to the output quality, frame rate, size, or duration.
You will also need to select the output folder where you want to save the file. After that, you will need to wait for the conversion process to be completed.