Know your grade
before you submit.

Rubrix is an AI-powered Chrome extension that grades your assignments against the rubric before you turn them in — so you know exactly where you stand and what to improve.

Install Rubrix
See It In Action

From assignment to grade in seconds.

Watch Rubrix analyze a real Canvas assignment and return instant, rubric-aligned feedback.

How It Works

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Open Your Assignment

Navigate to your assignment page. Rubrix activates automatically in your browser.

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Rubrix Reads the Rubric

Rubrix analyzes the assignment rubric and your submission — no copying and pasting required.

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Instant Grades & Feedback

AI scores each rubric criterion and shows you exactly what to improve before you submit.

Everything You Need

AI-Powered Grading

Built on leading AI models from Anthropic and OpenAI. Grades are consistent, fast, and explainable.

Reduced Anxiety

Submitting blind is stressful. Rubrix shows you where you stand before you turn anything in.

Compatible with Canvas

No setup required. Rubrix integrates directly into your workflow as a Chrome extension.

Know your grade before you submit.

Install the extension, open your assignment, and Rubrix takes it from there.

Install Rubrix