Welcome to the forum, @eoopx!
Before I get to your question, let me just give you some etiquette advice:
- It is not considered polite to cite members (with @…) who haven’t got anything to do with a thread’s content.
- Commonly, reactions are added by the readers, not by the authors of a post.
Now to business:
Actually, you already gave the answer yourself by mentioning ffmpeg. This handy Linux tool produces truly high class gifs. It is also the tool used by most websites which offer conversions from video clips into gifs.
In this discussion, you’ll learn everything you need to know:
What I do, is to prepare the video clip in kdenlive, export it as video and then convert with ffmpeg into my gif.
You can find an example of such a gif here:
However, note that the frame rate and the resolution is not as high as you could get - due to the maximum file size for images in this forum.