According to AlphaMoat, as of 2026-09, the Chrome extension CoGrader for Canvas has 1,000 users (+25.6% MoM), rated 5 (12 reviews) — ranked #1,224 of 9,324 AI browser extensions, and #106 of 676 in Education & Research.
AI Grader for Canvas. Grade essays and assignments in seconds with AI-powered feedback. Save hours every week. ⏰ Save hours every week on grading. Get your evenings and weekends back.
Are you spending countless hours grading essays, reading responses, and short answers? CoGrader is the AI-powered grading assistant built specifically for Canvas users who want to grade faster without sacrificing quality.
🔄 How it works:
1️⃣ Import your assignment directly from Canvas with one click 2️⃣ Set your grading criteria and rubric 3️⃣ Let CoGrader analyze each submission and generate personalized feedback 4️⃣ Review, edit if needed, and post grades back to Canvas
✨ Key Features:
✅ Grade directly in SpeedGrader - CoGrader works right inside Canvas SpeedGrader. No need to switch between tabs or copy-paste anything. Open a student's submission and CoGrader is right there, ready to help.
✅ AI-powered feedback that sounds like you - CoGrader doesn't just give generic comments. It analyzes each student's work against your rubric and generates specific, constructive feedback that helps students understand what they did well and how to improve.
✅ Your rubric, your standards - You're in control. Set your grading criteria, point values, and expectations. CoGrader follows your guidelines - it's an assistant, not a replacement.
✅ Works with essays, short answers, and more - Whether you're grading a 5-paragraph essay or a quick paragraph response, CoGrader adapts to your assignment type.
✅ Review everything before posting - Nothing goes to students without your approval. Review each grade and feedback, make edits if you want, then post when you're ready.
👩🏫 Who uses CoGrader?
have the time
🔒 Privacy and security:
✅ Student data is never used to train AI models ✅ We comply with FERPA and student privacy regulations ✅ Your Canvas credentials stay with Canvas - we never see them
🚀 Get started in minutes:
1️⃣ Install the extension 2️⃣ Create your free CoGrader account 3️⃣ Open any assignment in Canvas 4️⃣ Start grading smarter
Stop choosing between thorough feedback and your personal time. With CoGrader, you can give every student the detailed feedback they deserve - in a fraction of the time. 💪
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.