Optimize the synchronization of your subtitles for video files on a Mac. Work with existing documents and adjust the timing to re-sync improperly created timelines. Check out the options for fixing subtitles whose shift increases or decreases progressively during playback.
Downloading SubShifter 2.5 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. SubShifter for Mac lies within Audio & Video Tools, more precisely Editors & Converters. We recommend checking the downloaded files with any free antivirus. This free Mac app is a product of iSolid Apps.
From the developer:
SubShifter is an application that can shift or re-sync your subtitle files in seconds. At the moment, the utility supports only SRT files. The tool is designed to help you fix subtitles whose shift increases or decreases progressively during the movie.
You may want to check out more Mac applications, such as SubShift, which might be related to SubShifter.