Source Code Plagiarism Checking
for Teachers in Computer Science
Catch programming assignment cheating in seconds. Compare student code submissions, detect source code plagiarism from GitHub & Stack Overflow, and generate evidence-ready reports. Powered by Codequiry Hexagram (MOSS v2) for CS educators.
Everything You Need to Detect Code Plagiarism
in Computer Science Courses
Advanced code similarity detection with Codequiry Hexagram (MOSS v2) technology, designed specifically for educators teaching programming and software development.
Student-to-Student Comparison
Instantly compare all programming assignments against each other. Detect code collusion, shared templates, and collaborative cheating across your entire class. Perfect for catching students who copy each other's homework.
GitHub & Web Source Detection
Scan billions of code repositories including GitHub, GitLab, Bitbucket, Stack Overflow, Chegg, CourseHero, and public assignment solutions. Catch students copying code from online sources.
Anti-Obfuscation Technology
Advanced Codequiry Hexagram (MOSS v2) algorithms detect plagiarism even when students rename variables, reformat code, change comments, or reorder functions. Structural analysis beats simple text matching.
Evidence-Ready Reports
Generate detailed side-by-side diff reports with percentage similarity scores, highlighted matches, and source attribution. Perfect for academic integrity hearings and disciplinary proceedings.
Lightning-Fast Processing
Check 100+ student submissions in under 2 minutes. Batch upload support for ZIP files, drag-and-drop folders, and LMS integration. Get results instantly, not hours later.
51+ Programming Languages
Support for Python, Java, C, C++, JavaScript, TypeScript, Go, Rust, Swift, Kotlin, PHP, Ruby, MATLAB, R, SQL, HTML/CSS, and 35+ more. Automatic language detection included.
AI-Generated Code Detection
Detect code written by ChatGPT, GitHub Copilot, and other AI assistants. Identify unnatural coding patterns and AI-generated structures that students try to pass off as their own work.
Team Access & Collaboration
Add teaching assistants and co-instructors with role-based permissions. Share results securely, add comments, and collaborate on academic integrity investigations.
LMS Integration Ready
Works with Canvas, Blackboard, Moodle, Google Classroom, and other learning management systems. API available for custom integrations and automated workflows.
How Teachers Use Codequiry
to Catch Code Plagiarism
A simple, repeatable workflow that takes minutes to set up and delivers comprehensive plagiarism detection results for every programming assignment.
- 1 Upload Student Code Submissions Batch upload ZIP files, drag-and-drop folders, or collect via student portal. Supports individual files or entire project directories.
- 2 Run Peer Comparison Check Compare all submissions against each other to detect student-to-student code copying, collusion, and shared templates.
- 3 Enable Web & Repository Scanning Scan GitHub, Stack Overflow, and billions of online sources to find where students copied code from the internet.
- 4 Review Side-by-Side Results View detailed code diffs with line-level highlighting, similarity percentages, and matched code blocks for easy review.
- 5 Export Reports & Take Action Generate PDF reports for academic integrity offices, document violations, and maintain records for compliance.
Built Specifically for CS Educators
- Unlimited student comparisons — Check as many submissions as you need without per-check fees
- Batch processing — Upload entire class submissions at once via ZIP or folder
- TA & co-instructor access — Add team members with granular permissions
- FERPA & SOC 2 compliant — Student data protected with enterprise-grade security
- Private cloud storage — Your submissions never shared or used for training
- Historical comparison — Check against previous semester submissions
- Custom filters — Exclude starter code, libraries, and provided templates
- API access included — Automate workflows and integrate with your tools
51+ Programming Languages Supported
Detect code plagiarism across every major programming language used in computer science education
Plus 27 more languages with automatic language detection
Trusted by Computer Science Educators Worldwide
See what professors and teachers say about using Codequiry for code plagiarism detection
Why Choose Codequiry Over MOSS or Plagiarism.net?
See how Codequiry compares to traditional code plagiarism detection tools
Feature | Codequiry | MOSS (Stanford) | Plagiarism.net |
---|---|---|---|
Student-to-Student Comparison | |||
GitHub & Web Repository Scanning | |||
Anti-Obfuscation Technology | Limited | ||
AI-Generated Code Detection | |||
Modern Web Dashboard | Basic | ||
Batch Upload Support | Email Only | ||
Real-Time Results | Hours Wait | ||
API Access | Paid Only | ||
Team Collaboration | |||
FERPA Compliant | Unclear |
Frequently Asked Questions
Common questions from computer science teachers about code plagiarism detection
Start Detecting Code Plagiarism Today
Join 500+ universities using Codequiry to protect academic integrity in computer science courses. Free trial includes unlimited checks, all features, and no credit card required.