Free browser utility
Subtitle Line Break Fixer
Choose a maximum character count and line limit. The fixer changes cue text while preserving cue timing.
✓ Local processing✓ No registration✓ No file upload
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Before
This subtitle line is much too long for a comfortable mobile video caption.
→
After
This subtitle line is much too long for a comfortable mobile video caption.
How to use Subtitle Line Break Fixer
- Paste text or select local files in the tool area.
- Choose any options that match the source data.
- Run the conversion or repair and review the preview.
- Copy the result or download the generated file.
Privacy and local processing
This project performs processing, document generation or calculations in your browser. The page does not include an upload endpoint, analytics script or remote processing API call. Avoid pasting sensitive data into websites you do not control.
What this tool includes
- word-boundary wrapping
- optional two-line balancing
- SRT and VTT support
Common uses
- broadcast subtitle cleanup
- mobile caption formatting
- translation delivery checks
Practical tips
- Use a lower line length for vertical video.
- Review proper names and intentional line breaks after automatic wrapping.
Frequently asked questions
Does Subtitle Line Break Fixer upload my data?
No. The included tool runs locally in your browser and does not send the entered content to a processing server.
Can I use the result commercially?
The generated result is based on your own input. Review it for accuracy and any third-party rights before commercial use.