How to Check Turnitin Similarity Before Submitting a Thesis

Learn the step‑by‑step process for checking your thesis with Turnitin before you submit. Get practical tips, avoid plagiarism, and use TurnPro AI for an official report.

TurnPro AI team 3 min read

Why Check Turnitin Before You Submit?

When you’re drafting your thesis, you’re juggling ideas, citations, and the pressure of deadlines. A Turnitin check gives you a clear snapshot of how much of your text matches existing sources. This isn’t about “cheating” the system; it’s about ensuring your work is truly yours and that you’ve credited every idea properly.

Doing a pre‑submission check lets you spot accidental plagiarism early, so you can rewrite or cite correctly before the final upload. It also saves time and stress later, when a higher similarity score could mean a delay or a request for revision.

Step‑by‑Step Guide to a Turnitin Check

1. Gather All Your Sources

  • Collect every book, article, website, and database entry you’ve referenced.
  • Keep a running list of authors, titles, and URLs. This will make your citation process smoother.

2. Prepare Your Draft

Turnitin works best with a clean, fully formatted document. Make sure you:

  1. Use a standard word processor (Word, Google Docs, LibreOffice).
  2. Remove any hidden comments or tracked changes that could confuse the algorithm.
  3. Save the file in a supported format: DOCX, PDF, or TXT.

3. Upload to Turnitin (or Use TurnPro AI for an Official Report)

If your university has a Turnitin account, simply log in and follow the upload instructions. If you want an independent, non‑repository report, you can use TurnPro AI. Their plans start at $2, and you’ll receive the report in 5‑30 minutes on your dashboard.

4. Review the Similarity Report

Once the analysis finishes, you’ll see a color‑coded similarity index. Pay attention to:

  • Overall similarity score: This is the total percentage of matching text.
  • Source list: Each highlighted passage is linked to the original source.
  • Exclusion settings: Turnitin allows you to exclude common phrases, quotations, and bibliographies. Adjust these if needed.

5. Break Down the Highlights

Open the “Detailed view” to see each matched segment. For every highlight, ask yourself:

  1. Did I cite this properly?
  2. Is the wording a direct copy or a close paraphrase?
  3. Can I rephrase the sentence to reduce similarity?

If the source is a textbook or a well‑known article, a small overlap is often acceptable. But for unique research or niche studies, any match can raise questions.

6. Take Action on High‑Risk Passages

  • Rewrite: Change sentence structure, use synonyms, and add your own analysis.
  • Quote: If the wording is essential, place it in quotation marks and cite the source.
  • Paraphrase: Restate the idea in your own voice and still credit the original author.
  • Delete: If the passage isn’t critical, remove it altogether.

7. Re‑run the Check

After you’ve made changes, upload the updated draft again. Repeat until the overall score falls within your department’s acceptable range (often 10‑15%). Remember, the goal isn’t to hit a specific number but to reflect genuine scholarship.

8. Final Tips for a Smooth Submission

  • Keep a copy of the final Turnitin report in case your department asks for it.
  • Use citation management software (Zotero, Mendeley) to avoid accidental omissions.
  • Ask a peer to read your work; fresh eyes can spot unclear citations.
  • Set aside time for a final review before the deadline—plagiarism checks are not a last‑minute fix.

Why TurnPro AI Is a Good Choice for Independent Checks

If your university’s Turnitin isn’t available or you want a quick, official report outside the repository, TurnPro AI offers:

  • Fast turnaround—reports arrive in 5‑30 minutes.
  • No storage of your paper; it’s processed in non‑repository mode.
  • Clear, downloadable PDFs that you can keep for your records.

It’s a reliable backup when you need to verify similarity before the final submission.

Wrap‑Up

Checking Turnitin similarity before you hand in your thesis is a practical step that protects your academic integrity. By following these steps—organizing sources, preparing the draft, reviewing highlights, and acting on high‑risk passages—you’ll produce a polished, properly cited document. And if you need an independent report, TurnPro AI is a convenient, cost‑effective option.

Take the time to do the check early, not later. A little effort now saves you a lot of headaches at the end.

Check your paper before you submit

Official Turnitin similarity + AI reports in 5–30 minutes. Non-repository.

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