TheSubtitler is a subtitle preparation software, allowing the creation, management and synchronization of subtitles for television and video. The main features of TheSubtitler are the use of digital video and the least user equipment demands.

It can be used at an ordinary personal computer without the need of additional specialized equipment. The digital video use applies a 30% reduce in the subtitling process time. The video embodies the timecode information for each frame, simplifying the subtitling procedure. The installation of a timecode reader or a video capture card is not necessary.