If your .txt file is a raw transcript without timestamps, no converter can magically create an .srt with perfect timing without human intervention. If your .txt file already has timestamps in a specific format, conversion is straightforward.
: When saving, change the file extension from .txt to .srt . Ensure the encoding is set to UTF-8 for the best compatibility, according to Riverside . Automated Online Converters (Best for Efficiency)
Upload your text and sync it with audio/video to generate timestamps automatically.