Open Subtitle Editor
Open Subtitle Editor gives a straightforward way to do different editing activities, for example, translating, changing sync, adding or taking away subtitles, and forming subtitles for any video file. It permits you to rapidly scan the video to verify the duration of each subtitle, conveniently edit them, add new subtitles where possible, move the timings using delays, transform from one frames-per-second setup to another, and more.