Install subtitlecomposer by entering the following commands in the terminal:
sudo apt update sudo apt install subtitlecomposer
Description:
text-based subtitle editor
A text-based subtitles editor supporting basic operations (text, time and style edition), realtime previewing and spell checking. Other fancy features are delaying all subtitles in the current subtitle file, checking errors or creating translations. . Different backends (GStreamer, MPlayer, MPV, or Phonon) can be used to play the realtime video preview which helps to synchronize the subtitles.
Homepage: https://github.com/maxrd2/subtitlecomposer
Version: 0.6.6-2
Section: universe/kde