Convert subtitle timing between frame rates such as 25 fps, 23.976 fps, 24 fps, and 29.97 fps. Useful when subtitles slowly drift because they were timed for a different video frame rate.
Use the FPS converter when a subtitle file starts in sync but slowly drifts because it was made for a different frame rate than your video.
Scale every timestamp from the subtitle source FPS to the video target FPS.
Use FPS conversion when subtitle sync gets worse over the length of the video.
Quickly switch between 23.976, 24, 25, and 29.97 fps conversion pairs.
Download converted subtitles as SRT, VTT, or ASS after previewing timing.
Use a subtitle FPS converter when captions start in sync but drift over time because the subtitles were made for a different video frame rate. Unlike a simple delay tool, FPS conversion scales the whole timeline.
Convert subtitles between 25 fps and 23.976 or 24 fps when a release uses a different frame rate.
Use FPS conversion when the subtitle offset grows larger toward the end of the video.
Export converted timing as SRT, VTT, or ASS for different playback and editing workflows.
Each timestamp is multiplied by source FPS divided by target FPS.
Use Subtitle Time Shifter when every cue is off by the same number of seconds.
Quick presets cover 23.976, 24, 25, and 29.97 fps workflows.
Check converted timings before downloading, especially when you are unsure of the source FPS.