Create animated GIF images from videos using FFmpeg.
Learn to create animated webp images.
Tips on cropping video in ffmpeg.
Instructions on how to install ffmpeg on Debian 8 (Jessie).
This cheatsheet will show you various ways to extract images from videos using FFmpeg.
How I convert videos to VP9 and an explanation of the parameters.
Use a PPA to install FFmpeg in order to install a later version (3.3).