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RUBRIX

Transform Your
Assignments Into Insights

Upload your assignment and rubric for instant, detailed feedback powered by advanced AI

Upload & Analyze

FREE TIER

Assignment

Upload your assignment document

PDF DOCX TXT CODE

Rubric

Upload your grading criteria

TXT PDF DOCX MD

Analysis Options

Document Guidelines

For Best Results
📝 For Best Results:
  • Extract assignment text into a plain text (.txt) file
  • Remove images, graphs, and complex tables when possible
  • Include ONLY the written content you want analyzed
  • For rubrics, provide the criteria table as plain text

What Works Best

  • Plain text (.txt) files
  • Clean, formatted Word documents
  • Simple rubric tables
  • Copy-paste directly into text input

What to Avoid

  • Images and screenshots
  • Complex tables with merged cells
  • Charts and graphs
  • Scanned PDFs (no selectable text)

📊 Complex Document Analysis Coming Soon!

We're working on AI-powered support for images, tables, and charts. Upgrade to Pro to get early access when it launches!

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Instant Analysis

Get comprehensive feedback in seconds, not hours

🎯

Criterion-Based

Evaluated against your specific rubric criteria

📊

Detailed Reports

Strengths, weaknesses, and actionable recommendations

How It Works

1
Upload Files

Assignment + Rubric

2
AI Analysis

Advanced AI processing

3
Get Feedback

Criterion breakdown

4
Improve

Actionable recommendations

RUBRIX is solving your assignment
Reading rubric criteria...
Analyzing assignment content...
Evaluating against rubric...
Generating insights...