Need to revert to standard SRT? Use ffmpeg -i segment.ass segment.srt . For DVD subtitle quality (VobSub), use ffmpeg -i segment.ass -c:s dvd_subtitle segment.sup . But for “extra quality” as requested, ASS within MKV remains the gold standard.
Before converting, identify the file's true nature. jur153engsub convert020006 min extra quality
: Ensure the file ends in a legitimate video extension like .mkv , .mp4 , or .avi . Be wary of .exe or .zip files claiming to be videos. Need to revert to standard SRT
