It's very hard to write a 100% plagiarism free paper. You should always use plagiarism software to check for plagiarism. Most universities use the Ephorus plagiarism checker. Now students can also use the Ephorus plagiarism check via scribbr.com. The check compares the content of your thesis or paper to the Ephorus database. Once the plagiarism check is finished you can see the results. Each matched fragment is marked in your original document. You can also see the link to the original source. The check also detects plagiarism if you made minor adjustments to the original content. SCRiBBR is the only verified partner of Ephorus that is allowed to sell this service to students.