Red Paper
Red Paper: Pay per file for web and academic matching, AI checks, and downloadable PDF reports. Ranked #31 of 31 in Plagiarism Checkers by our editors (6.2/10); pricing: Paid; best for teams wanting pay-per-credit web and academic checks.
At a glance
- Editor score6.2 / 10
- PricingPaid
- Best forTeams wanting pay-per-credit web and academic checks
- Web source matchingYes
- Facts checked23 Sep 2026
Where it wins
- Checks documents against web pages and academic papers.
- Shows similarity scores, matched sources, and downloadable PDF reports.
- Offers API scans with asynchronous processing and webhooks.
Where it doesn't
- One credit covers only 250 words.
- The pay-per-credit model may not suit teams wanting subscription pricing.
- Web-based deployment may not fit teams needing on-premises processing.
Our verdict on Red Paper
Red Paper is a cloud-based plagiarism checker and AI-content detector for students, researchers, educators, and institutions. Users can upload a document or paste text to receive similarity scores and matched sources, with a downloadable PDF report. Its combination of web and academic-paper matching makes it relevant to teams that need more than a basic web-page check, while the AI-content detector adds a second type of review in the same service.
Pricing is pay-per-use: the published plan charges 10 INR per credit as a one-time purchase, and one credit covers 250 words. The vendor describes the purchase as pay-per-file. That makes costs tied to checking volume rather than a recurring plan, which can suit occasional or variable workloads. Teams processing longer documents should account for the word-based credit coverage when estimating how many credits they need.
For organizations embedding checks in an existing workflow, Red Paper offers an API for plagiarism and AI scans, including asynchronous processing with webhooks. Moodle and Canvas integrations provide a route into common learning-management workflows. Email and phone support are listed, and the product states GDPR compliance. Red Paper is a reasonable fit for institutions or teams seeking source-linked results and a usage-based model, especially where API or LMS connections matter. Those needing a broader documented plan structure or deployments beyond the cloud should compare alternatives before committing; the described offer centers on per-credit checking and web-based access.
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Red Paper pricing
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Red Paper fact sheet
| Free plan | Not verified |
|---|---|
| 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 |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Phone |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: Moodle, Canvas |
| Pricing | Paid (source) |
| Website | checkplagiarism.ai |
| Facts checked | 23 Sep 2026 |
Red Paper integrations
Red Paper lists 2 integrations on its own site.
- Moodle
- Canvas
Alternatives to Red Paper
- 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 Red Paper alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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