Shell

mkdir -p 720p_videos

for f in *.mp4 *.mkv *.mov; do
  ffmpeg -i "$f" -vf scale=-2:720 \
    -c:v libx264 -crf 18 -preset slow \
    -c:a copy "720p_videos/$f"
done

1080p to 720p

1080p to 720p · Shell

1080p to 720p

Batch-downscales MP4, MKV, and MOV files to 720p with FFmpeg into a 720p_videos/ folder.

mkdir -p 720p_videosfor f in *.mp4 *.mkv *.mov; do  [ -e "$f" ] || continue  ffmpeg -i "$f" -vf scale=-2:720 -c:v libx264 -crf 18 -preset slow -c:a copy "720p_videos/$f"done

Part of the utils collection on GitHub.