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
- Rebalance only lines that are too long — Leave lines alone unless one of them exceeds the single-line maximum
- 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)
- Unbreak subtitles shorter than — Subtitles with fewer characters than this are joined onto one line
The preview list updates live and shows all proposed fixes, each with an Apply checkbox. Select all / Select none tick or untick every row.