Bubble Sheet Auto-Mark

Questions

Choices per question

ID digits

Fill threshold (0–1)

Answer key — digits 1–5 or letters A–E; leave blank to skip scoring

Shuffle integer: (shuffle algorithm)

Reference Sheet

Upload a scan of a blank bubble sheet, then drag rectangles on the preview to mark the answer bubbles and student-ID bubbles regions. These regions improve detection accuracy.

📷 Grade Images

LIVE Green outline = page detected · Gold = auto-capture armed

Auto-capture

Upload images or use the camera to get started.

📊 Results (0 sheets)

No results yet — grade a sheet above.

#↕	Student ID↕	Answers↕	Score↕	Correct / Total↕	View image

⚙ Settings

Reference Sheet

📷 Grade Images

📊 Results (0 sheets)