Convert sbv to ssa

What is the difference between .sbv and .ssa?

Description: SBV (SubViewer) is a file format used for synchronized video subtitles. It consists of a text-based file with time codes and subtitle text that can be used to display subtitles while watching a video.; SubStation Alpha (SSA) is a text-based subtitle file format used for captioning video and audiovisual media. It is widely used in fan-made anime music videos, karaoke videos, and other fan-made video projects. SSA files contain the timing, positioning, and content of each subtitle, which can be edited and modified with text editing software.