From scanned handwriting to structured answers. Each response stays connected to its source, so nothing gets lost in translation.
+Scan normalization
+Handwriting extraction
+Question detection
↳
Explore the three steps above to follow an answer from paper to feedback.
pg. PaperGraderInteractive walkthrough
Assessment / Chemistry Response extracted
Student response01 / 01
Question 04
How does a catalyst affect a chemical reaction?
Explain the mechanism. [10 marks]
01A catalyst provides an alternative reaction pathway with a lower activation energy.
02More particles can overcome the energy barrier, so the reaction happens faster.
03The catalyst is not used up in the reaction and can be used again.
Document intelligence
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A little structure. A lot of potential.
Source
Scanned response
Question
04 / Chemistry
Output
Indexed answer
The original answer and its extracted text stay side by side.
Human judgment, always in the loop.01 / 03
03 / About
Curiosity, put into practice.
Sujit Sarkar AI/ML Engineer & Data Scientist
I learn by building things.
I’m Sujit. My curiosity about how technology understands people—our language, decisions, and behavior—pulled me into AI and data science.
Today, I build across machine learning, product engineering, and research. I care about the work between a promising experiment and a tool someone can actually use.
Each project is a chance to ask better questions, test an idea, and make the result easier to understand.
