40-Question OMR Scanner

Camera-first scanning for the supported 40-question EPS-TOPIK answer sheet. Processing is performed locally in your browser.

Place the complete answer sheet inside the frame

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Upload Image

Drag & drop a sheet image here, or use Upload Image.

🔒 Local-first: the sheet image is processed in the browser; it is not uploaded for OMR recognition.

Student / Exam Information

StudentStudent IDRollExamSetDate

OMR Result

Total40

Correct—

Wrong—

Blank0

Multiple0

Review0

Score—

Percent—

Review items will appear here.

Full Corrected Sheet

Answers — tap to correct

Q	Detected	Confidence	Status	Correct

Answer Key

No answer key loaded

Admin answer key

Upload JSON answer key

Supported JSON

{"answers":[1,2,3,4,...]}

{"1":1,"2":2,"3":3,...}

Exactly 40 questions. Values must be 1–4 or null/blank.

Once an admin sets or uploads the JSON key, every scan is automatically matched against it and the result table shows Correct / Wrong / Unanswered / Multiple.