Many popular media applications use the OpenSubtitles API to help users find and sync text for their videos without manual searching:
Browser extensions for Chrome and Firefox allow you to overlay subtitles from the OpenSubtitles database onto sites like YouTube , Netflix , and Disney+ . Open Subtitles
Apps like VLC Media Player , Kodi , and MPC-HC can automatically search for and download matching subtitles based on the video file's hash. Many popular media applications use the OpenSubtitles API