Split / Rebalance Long Lines
Split or rebalance subtitle lines that exceed maximum character limits.
- Menu: Tools → Split/rebalance long lines…

Options
- Split long lines — Split subtitles whose total length exceeds the maximum
- Rebalance long lines — Re-balance line breaks so lines have a more even length
- Single line max length — Maximum characters allowed on a single line
- Max number of lines — Maximum number of lines a subtitle may span (1-10)
The preview list updates live and shows all proposed fixes.