Free online test grader for
every format
Grade multiple choice, short answer, essay, and handwritten tests in minutes. AI applies your rubric and returns scores plus feedback for every studentâbubble sheets included.
Trusted by 1k+
Educational professors
Trusted by leading institutions
.png&w=256&q=75){kind=small}
.png&w=640&q=75)
Every Test Format, One Platform
From bubble sheets and MCQs to handwritten essaysâGradeLab grades every question type your students submit, digital or paper.
See GradeLab in action
Watch how AI grading and online assessment work end-to-end, from upload to results.
For papers and reports, see our paper grader. For essays specifically, see our AI essay grader. Mark on screen with On-Screen Marking.
Online Test Grader With Full Question Control
Grade every question type with the same platformâmultiple choice, short answer, essays, bubble sheets, and handwritten tests. Real-time results, instant feedback, zero paper.
Bubble Sheet & MCQ Auto-Grader
Upload scanned bubble sheets or digital multiple-choice tests. The AI scores every answer against your key in secondsâno scantron machine required.
Short Answer & Essay Scoring
AI evaluates open-ended responses against your rubric, returning per-criterion scores and written feedback for every student answer.
Handwritten Test Upload & OCR
Upload scans or photos of handwritten answer sheets. OCR converts the writing to text, then the test grader applies your rubric automatically.
Partial Credit & Flexible Marking
Define partial credit rules in your rubric. The AI applies them consistently across every submissionâno more guessing which student deserves half marks.
Real-time Class Results Dashboard
See scores, class averages, and per-question analytics the moment grading finishes. Identify learning gaps before the next class.
Quiz & Question Bank Builder
Every graded test feeds your question bank. Tag by topic and difficulty, then reuse questions to build future tests in minutes.
How the Online Test Grader Works
Create or upload your test â collect submissions â grade every format in minutes
1
Create or Upload Your Test
Use your existing test or build one from scratch. Multiple choice, short answer, essay, and mixed-format tests are all supported. Import from a PDF or use our built-in question editor.
2
Collect Student Submissions
Accept digital submissions online or upload scanned and handwritten answer sheets. The test grader handles both in the same sessionâno separate workflow needed.
3
AI Grades Every Question
The test grader applies your rubric and returns scores, partial credit, and written feedback for every response. A 100-student test is typically graded in under 5 minutes.
4
Review, Override & Publish
Review any flagged items and override AI scores with one click. When satisfied, publish grades directly to your LMS or export as CSV for your records.
Test Grader FAQ
What is an online test grader?
An online test grader is software that automatically scores tests and exams using AI. It handles multiple choice, short answer, and essay questionsâreturning grades and feedback in minutes rather than hours.
Can the test grader handle different question types?
Yes. GradeLab grades multiple choice, short answer, fill-in-the-blank, and essay questions. Mixed-format tests are fully supportedâthe same rubric-based AI evaluates objective and open-ended answers in a single session.
How fast can I grade a 100-student test?
A 100-student test can be graded in approximately 5 minutes once submissions are uploaded. You can then review AI scores and override any result before releasing grades to students.
Does the test grader work with bubble sheets or scantron-style tests?
Yes. You can upload scanned bubble sheets and the system reads each answer circle using computer vision, scores against your answer key, and returns a per-student result instantlyâno dedicated hardware required.
Does it work with handwritten test answers?
Yes. GradeLab includes OCR trained on diverse handwriting styles. Upload scans or smartphone photos of handwritten answer sheets and the AI converts them to text, then applies your rubric for grading.
How does the AI handle partial credit?
You set the partial credit rules in your rubricâfor example, 1 point for a partially correct answer and 2 for a fully correct one. The AI applies those rules consistently across every student submission.
Can I sync grades to my LMS?
Yes. Push grades and feedback directly to Canvas, Moodle, Google Classroom, or your SIS via our LMS integration and REST API. No manual export or copy-paste required.
Can I build a reusable question bank from my tests?
Yes. Every question you create or upload is saved to your question bank. You can tag questions by topic and difficulty, then pull from the bank to build future tests in minutes.