ttconv is a library and command line application written in pure
Python for converting between timed text formats used in the
presentations of captions, subtitles, karaoke, etc.
.
Input formats: TTML / IMSC, SCC / CEA 608, EBU STL, SRT
.
Output formats: IMSC / TTML, WebVTT, SRT
.
Note, that the tool is called ttconv, not tt, i.e. use it like this:
.
ttconv convert -i subtitles.ttml -o subtitles.srt
Installed Size: 1.6 MB
Architectures: all