Plagiarism Checker
Check your text against web sources for copied content and get an originality score.
Writing Ninja
plagiarism checker free online
check plagiarism
duplicate content checker
originality checker
anti plagiarism tool
essay plagiarism checker free
content originality scanner
Loading tool...
About this tool
Paste your text to check for plagiarism. Our tool searches the web for matching content, calculates an originality score, and shows source URLs with similarity percentages. Color-coded results: green (unique), yellow (paraphrased), red (exact match).
Frequently Asked Questions
Paste your text (up to 1000 words per check) and click Check. The tool searches the web for matching content and shows potential matches with source URLs and similarity percentages.