Plagiarism Checker BETA
Check your work against online sources and get an originality score with highlighted matching passages and source URLs.
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Plagiarism Report
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Add text and click "Check Plagiarism" to see results
Tips for Avoiding Plagiarism
Always cite your sources: Use proper citations for quotes, paraphrases, and ideas from other works.
Paraphrase properly: Don't just change a few words. Rewrite ideas in your own words and style.
Use quotation marks: When using exact words from a source, always use quotation marks and cite.
Keep track of sources: Record all sources as you research to avoid accidental plagiarism.
When in doubt, cite: It's better to cite too much than too little.
Disclaimer: This tool is provided as-is for educational purposes. Plagiarism detection accuracy is not guaranteed. Always verify results and consult your institution's academic integrity guidelines.
Frequently Asked Questions
How does plagiarism detection work?
Our plagiarism checker compares your text against a database of online sources and identifies matching passages. It provides an originality score and highlights sections that may require citation or rewriting.
What percentage of similarity is acceptable?
Acceptable similarity varies by institution and assignment type. Generally, under 15% is considered good, 15-25% requires review, and over 25% may indicate plagiarism. Always check your institution's specific guidelines.
Can I check documents in different formats?
Yes! You can upload .txt, .pdf, and .docx files. The text will be extracted automatically for analysis. Maximum file size is 5MB with a 5,000 word limit.
Why is there a daily limit?
The free tier includes 1 plagiarism check per day to ensure fair usage. This is sufficient for checking essays, papers, and articles. The limit resets at midnight UTC.
How can I avoid plagiarism?
Always cite sources properly, use quotation marks for direct quotes, paraphrase in your own words while citing the original source, and keep track of all sources during research. When in doubt, cite!