This is how you find self-plagiarism

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Upload your work

Upload the document you want to check for self-plagiarism.

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Upload other documents

Upload the documents you want to compare your own work with.

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Find and remove plagiarism

Get your result within two minutes and eliminate (self-)plagiarism by adding citations.

The Self-Plagiarism Checker is perfect for you if you:

  • Know exactly what sources you used
  • Paraphrased from a previous term paper or other assignment
  • Paraphrased from fellow students
  • Saved the sources you used as PDFs
  • Want to copy-paste text from websites you used, so you can compare

The self-plagiarism check is not for you if you:

  • Are not sure exactly what sources you used
  • Want to use the same software as your university

In these cases, you can use the Scribbr Plagiarism Checker.

Start Self-Plagiarism Checker

Sources you used during the writing process

Previous assignments

Previous assignments

Paraphrases from previous work

Self-plagiarism can occur if you reuse elements of assignments you’ve previously handed in.

Upload past work to check it against current work for accidental self-plagiarism.

Previous assignments

Previous assignments

Paraphrases from previous work

Self-plagiarism can occur if you reuse elements of assignments you’ve previously handed in.

Upload past work to check it against current work for accidental self-plagiarism.

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Fellow students' work

Paraphrases from other papers or theses

Did you use your fellow students’ work for reference or ideas? Might you have accidentally plagiarized them?

If you did, you can upload these assignments from others and check them against your work for plagiarism.

PDF files from journals

PDF files from journals

Compare with PDF sources

Have you saved the sources you used as PDFs? Check them against your work to detect accidental plagiarism.

The Self-Plagiarism Checker also allows you to copy text passages from websites and check for similarities with your work.

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100% happiness guarantee

We place a high value on offering the best possible service. If you aren’t satisfied for any reason, we’ll refund you—no ifs or buts.

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Safe and confidential

You can delete your work at any time. Otherwise, we’ll automatically delete it for you after one month.

Ready to find self-plagiarism?

Self-Plagiarism Check

$9.95

After a one-time upload, for the next 90 days you can compare your document with:

  • Your own past work
  • Assignments from fellow students
  • Unpublished PDF sources
Start Self-Plagiarism Checker

Scribbr Plagiarism Checker

From $19.95

If you want to check all the sources you used, consider choosing the Scribbr Plagiarism Checker.

  • Uses Turnitin software
  • Includes self-plagiarism check ($9.95)
  • Has access to 99.3 billion webpages and 8 million publications
To Plagiarism Checker

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Want to contact us directly? No problem. We are always here for you.

Frequently asked questions

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What is the difference between the Scribbr Plagiarism Checker and the Scribbr Self-Plagiarism Checker?

The Scribbr Plagiarism Checker compares your work against a database with billions of sources. If you purchase a plagiarism check, a self-plagiarism check is included.

The Scribbr Self-Plagiarism Checker uses sources that you upload yourself, such as previously submitted work or the work of your peers. Copying or paraphrasing too closely from unpublished works is still plagiarism, and it’s easy to do accidentally.

How can I add sources to the Scribbr Self-Plagiarism Checker?

It’s easy! You can add sources to the Scribbr Self-Plagiarism Checker in the following formats:

  • .pdf files
  • .docx or .doc files
  • .txt files

Note that if a document has a different file format from those listed above, we recommend converting it to .pdf or .docx.

You can also copy any text passages (e.g., from a website) directly into the checker.

What is the Scribbr Self-Plagiarism Checker?

The Scribbr Self-Plagiarism Checker is a unique plagiarism checker that allows you to customize the sources you check.

Sources you can add to the Self-Plagiarism Checker include:

  • Your own past work
  • Unpublished work from your fellow students
  • Unpublished PDFs
  • Internet pages (copied and pasted directly into the checker)