Red Paper Plagiarism Checker

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Everyone
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Everyone
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About this app

Red Paper checks your documents for plagiarism against published papers, journals and web sources — and flags AI-generated passages in the same scan.

WHAT YOU GET

• Similarity report — a percentage match against published academic work and the web, with the matching passages shown against their sources.

• AI content detection — machine-written passages flagged alongside the similarity score, reported separately so the two readings are never confused.

• Originality certificate — a shareable PDF you can attach to a submission or send to a supervisor.

• 196 languages — the language of your document is detected automatically.

HOW IT WORKS

Upload a PDF, DOCX, DOC or RTF file, or paste your text. The scan runs on our servers and you get a notification when the report is ready. Reports stay in your account, so you can open them again later or download the certificate any time.

WHO IT IS FOR

Students checking a thesis or assignment before submission. Researchers preparing a manuscript for a journal. Editors and institutions verifying submitted work.

CREDITS

Scanning uses credits, bought in packs from inside the app. There is no subscription and no recurring charge — credits do not expire.

Questions? support@checkplagiarism.ai
Check plagiarism and AI-generated content in seconds. Reports in 196 languages.
Updated on
Oct 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Files and docs, and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Red Paper's first release.

• Check documents for plagiarism against published papers, journals and web sources
• AI-generated content detection alongside the similarity score
• Downloadable originality certificate
• Support for 196 languages
• Sign in with Google or email
Content rating
Everyone
Learn more

App support

About the developer
AKINIK PUBLICATIONS PRIVATE LIMITED
director@akinik.com
3, Ground Floor, Block-h, Pkt-34, Sector-3, Rohini, Naharpur New Delhi, Delhi 110085 India
+91 70489 22346