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Subtitle Readability Checker
Find overlapping subtitle cues, long lines and excessive reading speed.
Input
Up to 200 KB
Result
Your result will appear here.
Processed on your device · Content is not stored.
Instructions & limits
How to use
Find overlapping subtitle cues, long lines and excessive reading speed.
- Enter your content, or select Use example.
- Adjust the available options.
- Select Run tool, review the result and copy or download it.
When to use this tool
Find overlapping subtitle cues, long lines and excessive reading speed.
Example input
1 00:00:01,000 --> 00:00:02,000 Đây là một dòng phụ đề hơi dài để kiểm tra tốc độ đọc.
Limits
Valid SRT only. Does not modify text. Reading speed and line length thresholds are your preferences, not a translation-quality verdict.
Frequently asked questions
What does this tool do?
Find overlapping subtitle cues, long lines and excessive reading speed.
What are the limits?
Valid SRT only. Does not modify text. Reading speed and line length thresholds are your preferences, not a translation-quality verdict.
Is my data sent to a server?
No. This tool runs in your browser. We do not receive your input or result.
Do I need an account?
No. Use the tools for free without signing in. Favorites and recent tools are stored only in your browser.
Does this work on mobile?
Yes, in a modern browser with Web Crypto support.