一份太长？按时长或条数切成多段，每段可以重新从零开始计时。好几份散的？按顺序拼成一集，或保留各自时间戳交织合并。序号自动重排，台词一个字不改。支持 SRT、VTT。
Cut one long subtitle into parts, or join many files into one. Runs fully in your browser — nothing is uploaded.
Split by duration or count with per-part renumbering and optional zero-based timing; join sequentially with a gap or interleave by original timestamps. SRT and VTT.
Creators splitting episodes for upload, teams reviewing in parts, and editors merging multi-part subtitles.