Subtitle line breaker · In your browser
Subtitle line breaker
Reflow subtitle lines to a chosen visible-character width without changing word order or cue timing.
Drop a file here. Up to 5 MiB of UTF-8 text and 20,000 cues per file. Nothing is saved after reload.
How to use it
Your file, ready for its next step.
- Open your subtitles. Choose a file, paste SRT or VTT, or try the sample. No account needed.
- Choose your changes. Adjust the options and run the tool. Read any warnings before continuing.
- Check and download. Review the output and save a new file. Your original stays unchanged.
Worked example
Subtitle line breaker, in practice.
With a width of 20, A little more room for every word can become A little more room / for every word.
Before you download
Words are never split. Long words may exceed the width. Two-speaker dialogue is left alone; cues needing too many lines are reported.
These tools work with existing SRT and WebVTT files. If you need captions from audio, open the video caption editor instead. Files are limited to 5 MiB and 20,000 cues per input. Results stay in this tab until you copy or download them.
Questions
A few useful answers.
Does this make subtitles shorter?
It changes whitespace and line breaks only. If a cue still needs too many lines, edit it yourself or allow more display time.
Are my files private, and what are the limits?
Processing stays in this browser without an account. Each subtitle input is limited to 5 MiB of UTF-8 text and 20,000 cues. Session recording is disabled here. Closing or reloading the page clears your work.
From video to finished captions
Need the words first?
Generate captions, refine the timing and style your video in ClipSubtitles.