iThenticate screens high-stakes documents for potential misconduct before publication. It detects un-cited or improperly cited material in manuscripts, grant proposals, and scholarly works. Users upload documents to private cloud-based accounts, where the tool compares text against over 40 million published research articles, 50 billion web pages, and other sources. Interactive reports highlight matches, provide similarity scores, and allow export for review. This process takes 5-15 minutes per document and supports revisions before submission to journals or funding agencies.
Huge database of journals and patents.
Trusted by big publishers and funders.
Very accurate for classic academic plagiarism.
Strong at catching internet‑sourced similarities.
Individual plan pricing starts high upfront.
No real free plan or trial option.
Weak at catching sophisticated AI paraphrasing.
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Linguix — Grammar Checker and AI Writing App
Write with Confidence.
Proofreading Software for Professionals
Online Correction
Free AI Grammar Checker
Free online proofreader with grammar check and plagiarism detection.