how can i convert subtitles ?

[cobra]

how can i convert subtitles at 23.975 into 25 fps?

[iago]

@cobra

First convert your subtitles to MicroDVD (.sub) format (you can find many subtitle conversion tools in Doom9's download section) and then you can try the tool below:

http://www.divx-digest.com/software/subtitle_fps_convert.html

regards,
iago

[Schultz]

Subresync in the VobSub package also does a straight 23.96 -> 25 fps conversion on framerate based subtitles.