| Unicheck | https://unicheck.com/uk-ua/free-plagiarism-checker-online | 200 | + | – | + |
| CONTENT-WATCH | http://www.content-watch.ru | 3000–10000 | – | ± | – |
| PlagiarismCheck | https://plagiarismcheck.org/ | Необмежено | + | – | + |
| Plagtracker | http://www.plagtracker.com/ | Необмежено | – | + | + |
| ScanMyEssay | https://www.scanmyessay.com/ | Необмежено | – | – | + |
| Plagscan | https://www.plagscan.com/plagiarism-check/ | Необмежено | – | – | + |
| PlagiarismDetector | https://plagiarismdetector.net | 1000 | – | – | + |
| DupliChecker | https://www.duplichecker.com/free-tools.php | 1000 | – | – | + |
| Paperrater | https://www.paperrater.com/ | Необмежено | + | – | + |