Scribbr Plagiarism Checker vs Viper
| Scribbr Plagiarism Checker | Viper | |
|---|---|---|
| Free trial | No | |
| Platforms | Web | Web |
| Free plan | Yes | No |
| Web source matching | Yes | |
| Academic source matching | Yes | |
| Supported languages | 20 languages | |
| Report export formats | ||
| API access | Yes | |
| Source coverage | web_academic_and_publisher | |
| Supported file formats | html, htm, txt, rtf, xml, md, pdf, docx, doc, pptx, ppt, odt, epub, odp, ppsx, pages, xlsx, xls | |
| Report export | ||
| AI writing check | Yes |
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