Plagiarism Checker

Estimate originality against a simulated web index. Scan depth changes how aggressively we surface potential matches—deterministic for the same text.

Scan depth
0 words·0 characters·Limit ~10,000 words for best results

This tool uses a deterministic demo engine (not a live search index). Use it to structure edits and citations—verify critical matches independently.

Originality results

You will see an originality score, similarity percentage, a short summary, and any simulated matches.