Subtitle Checker & Re-wrapper
Re-wrap lines to max. 42 characters and flag subtitles that are too fast (CPS) or too short.
| # | Start | Problem |
|---|---|---|
| 1 | 00:00:01,000 | line too long, 88 CPS |
Runs entirely in your browser. Nothing is sent anywhere.
How it works
- 1Paste or type your text.
- 2Choose the options you need.
- 3Copy or download the result.
About this tool
Subtitle Checker & Re-wrapper: Re-wrap lines to max. 42 characters and flag subtitles that are too fast (CPS) or too short. Paste your text and the result appears immediately, ready to copy or download. Everything happens locally in your browser — nothing you paste is uploaded or stored.
Example
Input
1 00:00:01,000 --> 00:00:02,000 This is a rather long subtitle line that will certainly need to be wrapped onto two lines 2 00:00:03,000 --> 00:00:06,000 Short and fine.
Output
1 00:00:01,000 --> 00:00:02,000 This is a rather long subtitle line that will certainly need to be wrapped onto two lines 2 00:00:03,000 --> 00:00:06,000 Short and fine.
How do I use the Subtitle Checker & Re-wrapper?
Paste or type your text. Choose the options you need. Copy or download the result.
Is the Subtitle Checker & Re-wrapper free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Is my data sent to a server?
No. Everything is calculated locally in your browser. Nothing you enter is uploaded, logged or stored.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.