Subtitle Composer is a free and open source subtitle editor application for Windows and Linux. It supports SubRip/SRT, MicroDVD, SSA/ASS, MPlayer, TMPlayer and YouTube captions subtitle file formats and VobSub (.idx/.sub/.rar), BluRay/PGS (*.sup), formats supported by ffmpeg (DVD/Vob, DVB, XSUB, HDMV-PGS) graphics subtitle formats. Some other features are spell checking, scripting, speech recognition from audio and video file, smart language encoding detection, live preview of subtitles in integrated video player, subtitle sync, Joining and splitting of subtitle files. It is released under GNU General Public License v2.0. You can also do side by side subtitle translations.
Install Subtitle Composer on Ubuntu Linux
You can install Subtitle Composer via your terminal software. Open terminal app using ctrl+alt+t keys or via the application menu and run below Subtitle Composer apt installation command. It will install the latest version of Subtitle Composer on your Linux system.
sudo apt install subtitlecomposer
Now open Subtitle Composer from the applications menu or via below command in terminal application.
If you want to remove Subtitle Composer then use below command.
sudo apt remove subtitlecomposer
Install Subtitle Composer via Flatpak:
Subtitle Composer also available via flathub as a flatpak package. If you don’t have it, then install flatpak and flathub on your system and restart it.
Open terminal app and below flatpak command to install it.
flatpak install flathub org.kde.subtitlecomposer
Open Subtitle Composer via
flatpak run org.kde.subtitlecomposer
You can also uninstall Subtitle Composer via
sudo flatpak uninstall org.kde.subtitlecomposer
Install Subtitle Composer via AppImage:
Download Subtitle Composer in the portable .AppImage file format form the above download link and save it on your Downloads folder. In terminal run below commands one by one.
sudo chmod +x ~ subtitlecomposer-latest-x86_64.AppImage
Here “subtitlecomposer-latest-x86_64.AppImage” is the downloaded file name. That’s it.