How To Use ffmpeg to add/remove watermarks

1

Add a watermark to multiple MP4 files and save them in a new directory.

for file in *.mp4 do  ffmpeg -i "$file" -vf "drawtext=text='@tulsacoffeememes':x=w-tw-5:y=h-th-5:fontcolor=white:fontsize=12" -codec:a copy "../Watermarked/$file" done
2

Add a watermark to multiple JPG files and save them in a new directory.

for file in *.jpg do  ffmpeg -i "$file" -vf "drawtext=text='@tulsacoffeememes':x=w-tw-5:y=h-th-5:fontcolor=white:fontsize=12" "../Watermarked/$file" done
3

Add a black box at the bottom right corner of an MP4 video.

ffmpeg -i <file>.mp4 -vf "drawbox=x=in_w-500:y=in_h-100:w=500:h=100:color=black@1.0:t=fill" -c:a copy output.mp4
4

Loop a video 5 times and save it as a new file.

ffmpeg -stream_loop 5 -i <loop_file>.mp4 -c copy output.mp4