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Homework graded as fast as you can scan it

You Scan
AI Grades
You Review
AI Improves
StackGrader

No credit card required

Built for handwriting, in any subject

Instant transcription, scores, & feedback

Essays & Writing

Rich feedback on structure & composition

Social Studies

Upload context docs to help the AI grade DBQs.

Science & Math

Grades hand-written equations & graphs

You set the standard.AI does the grading.

Give the AI whatever guidance you want.

You

  • Scan papers with your phone
  • Pick a rubric or create your own
  • Optionally provide grading context
  • Review the AI's feedback and scores
StackGrader
  • Transcribes messy handwriting
  • Scores based on your guidelines
  • Learns & improves from your feedback
  • Keeps student data private

Adapts to your grading style

The AI learns from your feedback and aligns with your preferences over time

100%75%50%25%0%1361015Assignments gradedTeacher agreement~92% match by paper 6Illustrative trend

Privacy is non-negotiable

Your data is encrypted, protected, and never shared or sold.

We never sell or train on your data

Your data and student work stays yours. Student work is processed, not stored for AI training. Ever.

You control who sees what

Only you can access your classes and student work. Full privacy by default.

Clean up or delete anytime

Remove images and AI feedback after grading, or permanently delete entire classes.

Flexible privacy options

Supports anonymous grading. No institutional info or student names required.

What teachers are saying

"I used to spend Sunday grading; now I spend it with my family."

— English Teacher in Ann Arbor, MI

"The transcription is shockingly good. It reads my students' handwriting better than I can."

— History Teacher in Austin, TX

"It suggests the grades, I make the calls. I've never felt like I was giving up control."

— University Professor in Denver, CO
StackGrader

Homework is for students, not teachers

Reclaim your weekend with AI-powered grading.

No credit card required