Free Creator Tool · Subtitle Utility
Subtitle Limit Checker
Ensure your subtitles are easy to read by validating line lengths and block sizes.
Your validation results will appear here...
What are standard subtitle limits?
Most broadcasters and streaming platforms require subtitles to be easy to read at a glance.
The industry standard is a maximum of 42 characters per line.
Additionally, a subtitle block should never exceed 2 lines on screen at once.
Frequently asked questions
They may be cut off on smaller screens or be too dense for viewers to read quickly.
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