pip install togif
$ togif --help
usage: togif [-h] [--fps FPS] [--speed SPEED] [--start START]
[--duration DURATION] [--resize RESIZE]
input_file
positional arguments:
input_file input video
optional arguments:
-h, --help show this help message and exit
--fps FPS fps (default: 1)
--speed SPEED speed (default: 1)
--start START start (default: 0)
--duration DURATION duration (default: None)
--resize RESIZE resize (default: 1)
togif data/2018-11-02_14-44-14.mp4 --resize 0.2 --speed 12