1. Export a MIDI marker file from Avid Pro Tools
Under "File -> Export -> Session Info as text" you can export the markers from Pro Tools.
2. Use the "Subtitle Tool & Converter" to convert the MIDI marker file into a SUB subtitle file
Open the free Subtitle Tool & Converter, select "Avid Pro Tools > Midi Markers (.midi)" and set "convert" to "SUB". Generate and download the file. If you have problems converting the file, you can contact the free support.
Thats it. If the tutorial helped you, please share it and support us on Buy Me A Coffee. And if you have any ideas to improve the workflow even more, let us know!