Plagiarism Checker for Code

Paste your code. Check for plagiarism. Look like an IDE.

An immersive, IDE‑style experience to paste code and run a plagiarism check. We’ll take you to signup to generate a full, evidence‑rich report.

Free trial • No credit card • API & CLI available

Drop files to import

Find clusters of similar submissions even after cosmetic changes like renaming, reordering, or comment edits.

Compare across billions of sources, repositories, and blocked sites to detect copy‑paste from the internet.

Reduce false positives with a scoring model that prioritizes structural and logical similarity over superficial edits.

Detect generated‑code patterns and mixed authorship risk with explainable signals.

Side‑by‑side diffs, source links, and similarity clusters organized for quick review.

Start free, then invite your team or class when you are ready.