Subs Factory is a free but powerful utility designed to make the creation, modification and resynchronization of subtitles easy. Featuring advanced functions, it allows you to do whatever you want with your subtitle tracks : creation, deletion and modification of subtitles (text, duration, position,...), affine shifting groups of subtitles, splitting and concatenation of subtitle files on-the-fly subtitling-standards compliance checking, advanced search and replace function, ... Available in english, french and italian.