(CLI or GUI):
ffmpeg -i "Unfolding.mp4" -c copy "Unfolding.mkv" MKV supports more subtitle/codec types, chapters, and attachments. 4. Extract Subtitles (if present) WEB-DLs often have soft subs (SRT or VobSub).
ffmpeg -i "Unfolding.mkv" \ -map 0:v -map 0:a:0 -map 0:s:0 \ -c copy "Unfolding_cleaned.mkv" (Adjust a:0 / s:0 to match your language) WEB-DL is already compressed, but you can reduce size further with minimal loss. Unfolding -2019 WEB-DL-
ffmpeg -i "Unfolding.mkv" -map 0:s:0 subs.srt
This guide assumes you have the file (likely an .mkv or .mp4 ) and want to verify, repair, remux, or compress it properly. Before doing anything, confirm what you have. (CLI or GUI): ffmpeg -i "Unfolding
sha256sum "Unfolding -2019 WEB-DL-.mkv" > checksums.sha256 If you want standard naming for release:
ffmpeg -i "Unfolding.mkv" \ -c:v libx265 -crf 20 -preset medium \ -c:a copy -c:s copy \ "Unfolding_small.mkv" ffmpeg -i "Unfolding
If your file is .mp4 :