The free solutions are not suitable for constant use, as they’re usually worse at detecting plagiarism and have a number of limitations. The paid solutions seem to be all equally perfect, but in fact, examination shows that for the same price you can get vastly different results.
Best plagiarism checkers:
- Comparative chart ↓
- 1. Quetext ↓
- 2. The Pensters ↓
- 3. Small SEO Tools ↓
- 4. Search Engine Reports ↓
- 5. Plagramme ↓
- 6. PlagScan ↓
- 7. PaperRater ↓
- 8. Noplag ↓
- 9. Copyscape ↓
- 10. Unicheck ↓
- 11. Plagiarism Software ↓
- 12. PlagTracker ↓
- 13. Plagiarisma ↓
- 14. Grammarly ↓
- 15. Turnitin
The table below lets you overview competitors’ capabilities and price at a glance.. The quality rate in the third column is based on a practical test, in which I challenged the tools with different duplicates. While some of the tools successfully passed the test, recognizing cheating and accurately tracing the original sources, others were not so precise. In brief, to get the highest accuracy at no cost, go for The Pensters. This free solution partially detected duplicates in some of the sample texts I submitted. In turn, Grammarly proved to be the most (the truly) accurate tool offering professional paid solutions.
You can learn more details about each checker, their unique features and pricing policies in the overview below the table.
Acceptable formats | Features | Quality of examination & Price |
---|---|---|
1. Quetext ↓ | ||
The Copy & Paste option only. |
|
1/5
Free
|
2. The Pensters ↓ | ||
Copy and paste |
|
3/5
Free
|
3. Small SEO Tools ↓ | ||
DOCX and TXT |
|
1/5
Free
|
4. Search Engine Reports ↓ | ||
DOCX and TXT |
|
1/5
Free
|
5. Plagramme ↓ | ||
DOC and DOCX for free version users
HTML, PDF, RTF, TXT, EBOOK and other formats are available for licensed users through customization.
|
|
4/5
|
6. PlagScan ↓ | ||
DOC, DOCX, PDF, TXT, ODT, RTF, PPT, ZIP, URL, and others |
|
4/5
|
7. PaperRater ↓ | ||
DOC, DOCX, TXT, ODT, RTF are available for users with a premium membership |
|
2/5
|
8. Noplag ↓ | ||
DOC, DOCX, RTF, TXT, ODT, HTML, PDF |
|
3/5
|
9. Copyscape ↓ | ||
Users of the free versions can submit a URL (of HTML pages only).
Premium account owners can also paste in text.
|
|
3/5
|
10. Unicheck ↓ | ||
DOC, DOCX, RTF, TXT, ODT, HTML, PDF, ZIP |
|
4/5
|
11. Plagiarism Software ↓ | ||
DOC, TXT and URL |
|
3/5
|
12. PlagTracker ↓ | ||
Copy & Paste option for the free version. The Premium account owners can also upload files in DOC, DOCX and TXT. |
|
2/5
|
13. Plagiarisma ↓ | ||
TXT, HTML, RTF, DOC, DOCX, XLS, XLSX, PDF, ODT, EPUB, FB2, PDB, and URL |
|
1/5
|
14. Grammarly ↓ | ||
DOC, DOCX, ODT, TXT, and RTF |
|
5/5
|
15. Turnitin ↓ | ||
DOC, DOCX, TXT, PDF, RTF, PS, WPD, HTML, HTM |
|
4/5
|
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