RefineLabRefineLab
AI-Powered Writing Analysis

Master Your Writing
With AI Guidance

RefineLab analyzes your essays with AP Lang standards, tracks growth, and provides feedback—without ever generating content for you.

Free to Start
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Academic Integrity

Academic Integrity Protected

RefineLab never generates essay content. We analyze structure, identify weaknesses, and teach principles—not provide rewrites or replacement text.

Analyzes thesis clarity & argument depth
Teaches writing principles conceptually
Tracks improvement over time
Provides strategic guidance only
Features

Everything You Need to Excel

Comprehensive tools for analyzing, learning, and tracking your writing progress

Essay Analysis

Comprehensive AP Lang-level analysis of thesis, argumentation, structure, and evidence with paragraph-by-paragraph feedback.

Growth Tracking

Visualize improvement over time with interactive charts showing progress across all writing metrics.

Draft Comparison

Compare essay versions to measure improvement in clarity, coherence, structure, and argumentation depth.

Writing Lessons

Access personalized lessons teaching sophisticated thesis development, evidence integration, and style techniques.

Goal Setting

Set specific improvement targets for each metric and track progress toward mastery with actionable feedback.

Writing Fingerprint

Discover your unique style patterns, tendencies, and habits across all essays with detailed analytics.

Grade Prediction

Get probabilistic grade estimates based on essay metrics and historical grading patterns to guide revisions.

Document Upload

Upload PDFs, DOCX, or images with OCR support to automatically extract text and teacher comments.

Instant Feedback

Receive detailed analysis in seconds powered by advanced AI trained on AP Lang rubric standards.

10K+
Essays Analyzed
95%
Improvement Rate
4.9★
User Rating
24/7
Instant Analysis

Ready to Transform Your Writing?

Join students using AI-powered analysis to improve their essays and track measurable progress.