1. Upload a completed sheet
Take a clear portrait photo or upload a scan. The blue box should cover only the child's writing area.
Private and free: This runs in the browser only. No AI service, no upload to a server, and no API key.
2. Enter words on the sheet
Optional, but needed for letter practice feedback. Enter the words in row order, separated by commas or new lines.
3. Adjust detector box
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Upload a worksheet to begin
--Writing detected
--Line control
--Size consistency
--Stroke clarity
Detector preview
Blue area = writing area being scored. Red lines = row splits. Green boxes = detected handwriting.