PlagiarismCheck.org
PlagiarismCheck.org: A flexible checker with academic matching, authorship verification, reports, APIs, and LMS integrations. Ranked #8 of 31 in Plagiarism Checkers by our editors (8.5/10); pricing: Free plan; best for schools wanting affordable, feature-rich checking.
At a glance
- Editor score8.5 / 10
- PricingFree plan
- Best forSchools wanting affordable, feature-rich checking
- Free planYes
- Web source matchingYes
- Founded2011
- Facts checked19 Sep 2026
Where it wins
- Checks web, scholarly, institutional, and public-resource content
- Detects rearrangements, synonym substitutions, and hidden characters
- Supports PDF reports, authorship verification, APIs, and major LMSs
Where it doesn't
- Basic pricing is tied to 20-page usage
- Individual plans use several pricing structures
- Advanced and Pro institutional plans use quote-based pricing
Our verdict on PlagiarismCheck.org
PlagiarismCheck.org is a browser-based plagiarism and AI detection service for students, educators, institutions, writers, and content creators. It compares submitted text with publicly available web resources, scholarly content, institutional databases, and other sources. Results include similarity reports with linked references, while the broader toolkit includes citation and grammar tools, a Chrome extension, a Google Docs add-on, and a plagiarism-checking API. Its audience is especially suited to schools and education teams that need more than a basic web comparison.
Pricing is split across free access and paid individual packages. According to the vendor's published plans, Basic starts at $5.99 for 20 pages, followed by Light at $9.99, Standard at $25.49, and Premium at $45.49. Advanced and Pro are institutional plans with web-based accounts, public-resource searching, LMS integrations for Google Classroom, Moodle, and Canvas, a Google Docs add-on, Fingerprint authorship verification, and closed-depository and library searching. The multiple tiers give buyers room to match usage and institutional needs, but the page-based Basic plan and different package structures require careful comparison before purchase.
Its strongest distinction is the depth of detection and delivery options. The service can identify exact matches, rearrangements, synonym substitutions, and hidden characters, then provide downloadable PDF reports and Fingerprint authorship verification. Platform coverage includes web, API, and Chrome extension access, with integrations for Canvas, Google Classroom, Moodle, Schoology, Brightspace, Populi, Blackboard, Google Docs, and Zapier. Schools that need structured academic checking, LMS workflows, or application integration should consider it; writers seeking only a simple web check may find its institutional and verification features unnecessary.
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PlagiarismCheck.org pricing
All 6 PlagiarismCheck.org plans and prices →
PlagiarismCheck.org fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Web source matching | Yes |
| Academic source matching | Yes |
| Supported languages | Not verified |
| Word limit | Not verified |
| Report export formats | |
| API access | Yes |
| LMS integration | Yes |
| Deployment | Cloud, Browser extension |
| Platforms | Web, Chrome extension |
| Integrations | 9 integrations: Canvas, Google Classroom, Moodle, Schoology, Brightspace, Populi … |
| Pricing | Free plan (source) |
| Website | plagiarismcheck.org |
| Facts checked | 19 Sep 2026 |
PlagiarismCheck.org integrations
PlagiarismCheck.org lists 9 integrations on its own site.
- Canvas
- Google Classroom
- Moodle
- Schoology
- Brightspace
- Populi
- Blackboard
- Google Docs
- Zapier
Alternatives to PlagiarismCheck.org
- 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 PlagiarismCheck.org alternatives →
PlagiarismCheck.org vs the competition
- PlagiarismCheck.org vs Turnitin AI Writing Detection
- PlagiarismCheck.org vs Crossref Similarity Check
- PlagiarismCheck.org vs iThenticate
- PlagiarismCheck.org vs Copyscape
- PlagiarismCheck.org vs MOSS
- PlagiarismCheck.org vs StrikePlagiarism
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Also Ranked In
PlagiarismCheck.org is ranked in 3 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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