Plagiarism Checker
It samples sentences from your text, searches the web for each sample, then scores similarity to public snippets. The server needs a Tavily API key in backend environment variables.
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This tool sends sentence samples to a search API and compares snippets; it is not a substitute for a full academic plagiarism database. Do not paste confidential or legally sensitive text unless you accept that risk.
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Before checking for plagiarism, use our word counter to verify your text meets the required length.
If your document is in PDF format, convert it to text first using our free PDF to Word converter, then paste it here.
After verifying originality, export your final document as a PDF using our Word to PDF tool.
Frequently asked questions
Common questions people ask before using this tool.
How does the ToolsRacks plagiarism checker work?
You paste text or upload a PDF. The backend samples longer sentences from your document, searches the web for each sample, and scores how closely public snippets match your wording. It surfaces possible overlap with online content — not a full subscription academic database like Turnitin.
Is the plagiarism checker free to use?
Yes, you can run checks without creating an account. Limits may apply per session depending on backend capacity. For very large documents, split the text into sections and check each separately for more reliable results.
Does a high plagiarism score mean I copied someone?
Not necessarily. Common phrases, quotes, bibliographies, technical boilerplate, and legally required disclosures can raise similarity scores. Always review highlighted segments in context. Final judgment on originality belongs to you, your school, or your publisher.
Is my document stored when I check plagiarism?
Treat any online service as handling content you share with a third party. Do not upload confidential legal, medical, or unreleased commercial text unless your organization's policy allows it. Read our Privacy Policy for details on how we handle data.
Can a plagiarism tool replace a human editor?
No. Automated checkers flag possible issues but cannot understand intent, fair use, or licensing nuances. Always combine automated checks with manual review, proper citations, and judgment from a human editor or academic advisor.
What types of plagiarism can this tool detect?
The tool primarily detects verbatim or near-verbatim text that matches publicly indexed web content. It is less effective at detecting paraphrasing, translated content, or text from subscription-only academic journals not indexed by general search engines.
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