Plagiarism Checker X
Plagiarism Checker X: A capable Windows checker for bulk comparisons, reports, and AI-content screening. Ranked #25 of 31 in Plagiarism Checkers by our editors (6.8/10); pricing: Free plan; best for windows users comparing documents in bulk.
At a glance
- Editor score6.8 / 10
- PricingFree plan
- Best forWindows users comparing documents in bulk
- Free planYes
- Web source matchingYes
- Founded2012 · 733 3rd Avenue, New York City, NY 10017, United States
- Facts checked19 Sep 2026
Where it wins
- Bulk document comparison with side-by-side cross-checking
- Exports reports to Word, PDF, and Excel
- AI detection and quote or bibliography exclusions
Where it doesn't
- Windows-only desktop application
- No API or integrations
- Verified checking limit of 3,200 words
Our verdict on Plagiarism Checker X
Plagiarism Checker X is a Windows desktop application for students, teachers, writers, publishers, SEO professionals, and organizations. It checks text, documents, URLs, and webpages against publicly available online sources, then presents color-highlighted similarity reports. Side-by-side comparison and bulk cross-checking make it particularly suited to users reviewing multiple documents rather than only checking one passage at a time. AI-generated content detection and quote or bibliography exclusions broaden its review workflow.
The freemium structure gives users a free Basic plan with limited words, a daily search limit, support for 20+ languages, and free-forever access. Professional adds one user license, unlimited words, online similarity checking, text comparison, and a lifetime package license. Business includes five user licenses, branding reports, priority support, and all Professional features. The published starting price is 39.95, while Professional and Business are provided through one-time lifetime-package payments. These tiers make the product relevant for individual reviewers and small teams, with Business adding team access and branded reporting.
For document-heavy workflows, the report options are a practical strength: Word and PDF exports cover individual reports, while Excel supports bulk report export. The vendor also states that submitted content remains on the user’s device rather than being stored in its database. The trade-off is platform and ecosystem scope: the application is Windows-only and does not offer an API or integrations. The verified word limit is 3,200 words, so users with longer-document requirements should assess that constraint before choosing it. Plagiarism Checker X fits Windows users who need bulk comparison and downloadable reports; teams requiring integrations, API access, or broader platform support should choose an alternative.
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Plagiarism Checker X pricing
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Plagiarism Checker X fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Web source matching | Yes |
| Academic source matching | Yes |
| Supported languages | Not verified |
| Word limit | 3200 words |
| Report export formats | Word, PDF, Excel |
| API access | No |
| LMS integration | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Pricing | Free plan (source) |
| Website | plagiarismcheckerx.com |
| Facts checked | 19 Sep 2026 |
Alternatives to Plagiarism Checker X
- Turnitin AI Writing DetectionA focused institutional tool for identifying text that may be AI-generated or modified.9.4
- Crossref Similarity CheckA focused manuscript-screening service with academic matching, reports, filters, and API access.9.2
- iThenticateA paid similarity checker built for researchers, publishers, and private repositories.9.0
See all Plagiarism Checker X alternatives →
Also Ranked In
Plagiarism Checker X is ranked in 2 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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