How to use this tool
- Check character rate and available display time against a user-selected reading target.
- Set displayed characters, display duration, target reading rate in the indicated units.
- Calculate and compare actual character rate, duration at target rate, additional duration needed.
Try this example
{
"chars": 84,
"duration": 4,
"target": 17
}Accuracy and scope
User-defined reading-rate target, not an accessibility compliance assessment. Reading difficulty and shot changes still need editorial review.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.