Readability & Quality Audit
Subtitle Character Counter & CPS
Audit subtitle readability metrics: calculate Characters Per Second (CPS), total character counts, and pinpoint cues that flash too fast for viewers to read.
Subtitle Content0 cues parsed
Flagged Readability Issues (0)Netflix & BBC Guidelines
Paste subtitles on the left to audit reading speeds and character lengths.
How to Audit Subtitle Readability (ব্যবহার নির্দেশিকা)
1
Upload Subtitles
Upload your `.srt` or `.vtt` file to initiate the client-side readability audit.
2
Review Average CPS
Check average duration per cue and Characters Per Second (industry ideal is 15-20 CPS).
3
Fix Flagged Problem Cues
Inspect cues highlighted with warnings (>22 CPS or >42 chars) to adjust timings or trim dialogue.
Frequently Asked Questions
What is the standard Characters Per Second (CPS) for subtitles?
Major streaming services (including Netflix and BBC) recommend a reading speed between 15 and 17 CPS for adult audiences, and 12 to 14 CPS for children. Anything over 22-25 CPS is generally unreadable without pausing.