Edit & captions
SRT file for YouTube captions
A closed-caption file viewers can turn on.
The prompt
SRT file (plain text, save as [title].srt, upload in YouTube Studio, Subtitles): 1 00:00:[ss],000 --> 00:00:[ss],500 [First line, 42 characters or fewer] 2 00:00:[ss],000 --> 00:00:[ss],000 [Second line] Rules: number every caption, use a comma before milliseconds, leave one blank line between captions, keep each on screen for at least about 1 second.
What to swap for your story
- timings -> read them off your timeline's timecode
- or ask the Caption & SRT Helper in Assistants to draft it
Last updated 2026-10-29. Tested in Google Flow.
Want the full method?
This prompt is one step. The course shows how to plan the shot, keep your character the same and cut it into a finished film.