You can create an SRT file from scratch using standard software already on your computer.
: Every subtitle block must follow this exact four-line structure: Line 1 : Sequence number (start with 1, then 2, etc.). Line 2 : Timestamp in HH:MM:SS,MS --> HH:MM:SS,MS format. Line 3 : The subtitle text. Line 4 : A blank line to separate it from the next block. StГЎhnout SRT
How to Quickly Make SRT Subtitles for YouTube Videos for Free You can create an SRT file from scratch
Mac users: Ensure you select to remove hidden formatting. MS --> HH:MM:SS